1 # 2 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 # 4 # This code is free software; you can redistribute it and/or modify it 5 # under the terms of the GNU General Public License version 2 only, as 6 # published by the Free Software Foundation. Oracle designates this 7 # particular file as subject to the "Classpath" exception as provided 8 # by Oracle in the LICENSE file that accompanied this code. 9 # 10 # This code is distributed in the hope that it will be useful, but WITHOUT 11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 # version 2 for more details (a copy is included in the LICENSE file that 14 # accompanied this code). 15 # 16 # You should have received a copy of the GNU General Public License version 17 # 2 along with this work; if not, write to the Free Software Foundation, 18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 # 20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 # or visit www.oracle.com if you need additional information or have any 22 # questions. 23 # 24 # This file is in the public domain, so clarified as of 25 # 2009-05-17 by Arthur David Olson. 26 27 # This file is by no means authoritative; if you think you know better, 28 # go ahead and edit the file (and please send any changes to 29 # tz@iana.org for general use in the future). For more, please see 30 # the file CONTRIBUTING in the tz distribution. 31 32 # From Paul Eggert (2014-10-31): 33 # 34 # Unless otherwise specified, the source for data through 1990 is: 35 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), 36 # San Diego: ACS Publications, Inc. (2003). 37 # Unfortunately this book contains many errors and cites no sources. 38 # 39 # Gwillim Law writes that a good source 40 # for recent time zone data is the International Air Transport 41 # Association's Standard Schedules Information Manual (IATA SSIM), 42 # published semiannually. Law sent in several helpful summaries 43 # of the IATA's data after 1990. Except where otherwise noted, 44 # IATA SSIM is the source for entries after 1990. 45 # 46 # For data circa 1899, a common source is: 47 # Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94. 48 # http://www.jstor.org/stable/1774359 49 # 50 # Earlier editions of these tables used the North American style (e.g. ARST and 51 # ARDT for Argentine Standard and Daylight Time), but the following quote 52 # suggests that it's better to use European style (e.g. ART and ARST). 53 # I suggest the use of _Summer time_ instead of the more cumbersome 54 # _daylight-saving time_. _Summer time_ seems to be in general use 55 # in Europe and South America. 56 # -- E O Cutler, _New York Times_ (1937-02-14), quoted in 57 # H L Mencken, _The American Language: Supplement I_ (1960), p 466 58 # 59 # Earlier editions of these tables also used the North American style 60 # for time zones in Brazil, but this was incorrect, as Brazilians say 61 # "summer time". Reinaldo Goulart, a São Paulo businessman active in 62 # the railroad sector, writes (1999-07-06): 63 # The subject of time zones is currently a matter of discussion/debate in 64 # Brazil. Let's say that "the Brasília time" is considered the 65 # "official time" because Brasília is the capital city. 66 # The other three time zones are called "Brasília time "minus one" or 67 # "plus one" or "plus two". As far as I know there is no such 68 # name/designation as "Eastern Time" or "Central Time". 69 # So I invented the following (English-language) abbreviations for now. 70 # Corrections are welcome! 71 # std dst 72 # -2:00 FNT FNST Fernando de Noronha 73 # -3:00 BRT BRST Brasília 74 # -4:00 AMT AMST Amazon 75 # -5:00 ACT ACST Acre 76 77 ############################################################################### 78 79 ############################################################################### 80 81 # Argentina 82 83 # From Bob Devine (1988-01-28): 84 # Argentina: first Sunday in October to first Sunday in April since 1976. 85 # Double Summer time from 1969 to 1974. Switches at midnight. 86 87 # From U. S. Naval Observatory (1988-01-19): 88 # ARGENTINA 3 H BEHIND UTC 89 90 # From Hernan G. Otero (1995-06-26): 91 # I am sending modifications to the Argentine time zone table... 92 # AR was chosen because they are the ISO letters that represent Argentina. 93 94 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 95 Rule Arg 1930 only - Dec 1 0:00 1:00 S 96 Rule Arg 1931 only - Apr 1 0:00 0 - 97 Rule Arg 1931 only - Oct 15 0:00 1:00 S 98 Rule Arg 1932 1940 - Mar 1 0:00 0 - 99 Rule Arg 1932 1939 - Nov 1 0:00 1:00 S 100 Rule Arg 1940 only - Jul 1 0:00 1:00 S 101 Rule Arg 1941 only - Jun 15 0:00 0 - 102 Rule Arg 1941 only - Oct 15 0:00 1:00 S 103 Rule Arg 1943 only - Aug 1 0:00 0 - 104 Rule Arg 1943 only - Oct 15 0:00 1:00 S 105 Rule Arg 1946 only - Mar 1 0:00 0 - 106 Rule Arg 1946 only - Oct 1 0:00 1:00 S 107 Rule Arg 1963 only - Oct 1 0:00 0 - 108 Rule Arg 1963 only - Dec 15 0:00 1:00 S 109 Rule Arg 1964 1966 - Mar 1 0:00 0 - 110 Rule Arg 1964 1966 - Oct 15 0:00 1:00 S 111 Rule Arg 1967 only - Apr 2 0:00 0 - 112 Rule Arg 1967 1968 - Oct Sun>=1 0:00 1:00 S 113 Rule Arg 1968 1969 - Apr Sun>=1 0:00 0 - 114 Rule Arg 1974 only - Jan 23 0:00 1:00 S 115 Rule Arg 1974 only - May 1 0:00 0 - 116 Rule Arg 1988 only - Dec 1 0:00 1:00 S 117 # 118 # From Hernan G. Otero (1995-06-26): 119 # These corrections were contributed by InterSoft Argentina S.A., 120 # obtaining the data from the: 121 # Talleres de Hidrografía Naval Argentina 122 # (Argentine Naval Hydrography Institute) 123 Rule Arg 1989 1993 - Mar Sun>=1 0:00 0 - 124 Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 S 125 # 126 # From Hernan G. Otero (1995-06-26): 127 # From this moment on, the law that mandated the daylight saving 128 # time corrections was derogated and no more modifications 129 # to the time zones (for daylight saving) are now made. 130 # 131 # From Rives McDow (2000-01-10): 132 # On October 3, 1999, 0:00 local, Argentina implemented daylight savings time, 133 # which did not result in the switch of a time zone, as they stayed 9 hours 134 # from the International Date Line. 135 Rule Arg 1999 only - Oct Sun>=1 0:00 1:00 S 136 # From Paul Eggert (2007-12-28): 137 # DST was set to expire on March 5, not March 3, but since it was converted 138 # to standard time on March 3 it's more convenient for us to pretend that 139 # it ended on March 3. 140 Rule Arg 2000 only - Mar 3 0:00 0 - 141 # 142 # From Peter Gradelski via Steffen Thorsen (2000-03-01): 143 # We just checked with our São Paulo office and they say the government of 144 # Argentina decided not to become one of the countries that go on or off DST. 145 # So Buenos Aires should be -3 hours from GMT at all times. 146 # 147 # From Fabián L. Arce Jofré (2000-04-04): 148 # The law that claimed DST for Argentina was derogated by President Fernando 149 # de la Rúa on March 2, 2000, because it would make people spend more energy 150 # in the winter time, rather than less. The change took effect on March 3. 151 # 152 # From Mariano Absatz (2001-06-06): 153 # one of the major newspapers here in Argentina said that the 1999 154 # Timezone Law (which never was effectively applied) will (would?) be 155 # in effect.... The article is at 156 # http://ar.clarin.com/diario/2001-06-06/e-01701.htm 157 # ... The Law itself is "Ley No 25155", sanctioned on 1999-08-25, enacted 158 # 1999-09-17, and published 1999-09-21. The official publication is at: 159 # http://www.boletin.jus.gov.ar/BON/Primera/1999/09-Septiembre/21/PDF/BO21-09-99LEG.PDF 160 # Regretfully, you have to subscribe (and pay) for the on-line version.... 161 # 162 # (2001-06-12): 163 # the timezone for Argentina will not change next Sunday. 164 # Apparently it will do so on Sunday 24th.... 165 # http://ar.clarin.com/diario/2001-06-12/s-03501.htm 166 # 167 # (2001-06-25): 168 # Last Friday (yes, the last working day before the date of the change), the 169 # Senate annulled the 1999 law that introduced the changes later postponed. 170 # http://www.clarin.com.ar/diario/2001-06-22/s-03601.htm 171 # It remains the vote of the Deputies..., but it will be the same.... 172 # This kind of things had always been done this way in Argentina. 173 # We are still -03:00 all year round in all of the country. 174 # 175 # From Steffen Thorsen (2007-12-21): 176 # A user (Leonardo Chaim) reported that Argentina will adopt DST.... 177 # all of the country (all Zone-entries) are affected. News reports like 178 # http://www.lanacion.com.ar/opinion/nota.asp?nota_id=973037 indicate 179 # that Argentina will use DST next year as well, from October to 180 # March, although exact rules are not given. 181 # 182 # From Jesper Nørgaard Welen (2007-12-26) 183 # The last hurdle of Argentina DST is over, the proposal was approved in 184 # the lower chamber too (Diputados) with a vote 192 for and 2 against. 185 # By the way thanks to Mariano Absatz and Daniel Mario Vega for the link to 186 # the original scanned proposal, where the dates and the zero hours are 187 # clear and unambiguous...This is the article about final approval: 188 # http://www.lanacion.com.ar/politica/nota.asp?nota_id=973996 189 # 190 # From Paul Eggert (2007-12-22): 191 # For dates after mid-2008, the following rules are my guesses and 192 # are quite possibly wrong, but are more likely than no DST at all. 193 194 # From Alexander Krivenyshev (2008-09-05): 195 # As per message from Carlos Alberto Fonseca Arauz (Nicaragua), 196 # Argentina will start DST on Sunday October 19, 2008. 197 # 198 # http://www.worldtimezone.com/dst_news/dst_news_argentina03.html 199 # http://www.impulsobaires.com.ar/nota.php?id=57832 (in spanish) 200 201 # From Rodrigo Severo (2008-10-06): 202 # Here is some info available at a Gentoo bug related to TZ on Argentina's DST: 203 # ... 204 # ------- Comment #1 from [jmdocile] 2008-10-06 16:28 0000 ------- 205 # Hi, there is a problem with timezone-data-2008e and maybe with 206 # timezone-data-2008f 207 # Argentinian law [Number] 25.155 is no longer valid. 208 # http://www.infoleg.gov.ar/infolegInternet/anexos/60000-64999/60036/norma.htm 209 # The new one is law [Number] 26.350 210 # http://www.infoleg.gov.ar/infolegInternet/anexos/135000-139999/136191/norma.htm 211 # So there is no summer time in Argentina for now. 212 213 # From Mariano Absatz (2008-10-20): 214 # Decree 1693/2008 applies Law 26.350 for the summer 2008/2009 establishing DST 215 # in Argentina from 2008-10-19 until 2009-03-15. 216 # http://www.boletinoficial.gov.ar/Bora.Portal/CustomControls/PdfContent.aspx?fp=16102008&pi=3&pf=4&s=0&sec=01 217 # 218 219 # Decree 1705/2008 excepting 12 Provinces from applying DST in the summer 220 # 2008/2009: Catamarca, La Rioja, Mendoza, Salta, San Juan, San Luis, La 221 # Pampa, Neuquén, Rio Negro, Chubut, Santa Cruz and Tierra del Fuego 222 # http://www.boletinoficial.gov.ar/Bora.Portal/CustomControls/PdfContent.aspx?fp=17102008&pi=1&pf=1&s=0&sec=01 223 # 224 # Press release 235 dated Saturday October 18th, from the Government of the 225 # Province of Jujuy saying it will not apply DST either (even when it was not 226 # included in Decree 1705/2008). 227 # http://www.jujuy.gov.ar/index2/partes_prensa/18_10_08/235-181008.doc 228 229 # From fullinet (2009-10-18): 230 # As announced in 231 # http://www.argentina.gob.ar/argentina/portal/paginas.dhtml?pagina=356 232 # (an official .gob.ar) under title: "Sin Cambio de Hora" 233 # (English: "No hour change"). 234 # 235 # "Por el momento, el Gobierno Nacional resolvió no modificar la hora 236 # oficial, decisión que estaba en estudio para su implementación el 237 # domingo 18 de octubre. Desde el Ministerio de Planificación se anunció 238 # que la Argentina hoy, en estas condiciones meteorológicas, no necesita 239 # la modificación del huso horario, ya que 2009 nos encuentra con 240 # crecimiento en la producción y distribución energética." 241 242 Rule Arg 2007 only - Dec 30 0:00 1:00 S 243 Rule Arg 2008 2009 - Mar Sun>=15 0:00 0 - 244 Rule Arg 2008 only - Oct Sun>=15 0:00 1:00 S 245 246 # From Mariano Absatz (2004-05-21): 247 # Today it was officially published that the Province of Mendoza is changing 248 # its timezone this winter... starting tomorrow night.... 249 # http://www.gobernac.mendoza.gov.ar/boletin/pdf/20040521-27158-normas.pdf 250 # From Paul Eggert (2004-05-24): 251 # It's Law No. 7,210. This change is due to a public power emergency, so for 252 # now we'll assume it's for this year only. 253 # 254 # From Paul Eggert (2014-08-09): 255 # Hora de verano para la República Argentina 256 # http://buenasiembra.com.ar/esoterismo/astrologia/hora-de-verano-de-la-republica-argentina-27.html 257 # says that standard time in Argentina from 1894-10-31 258 # to 1920-05-01 was -4:16:48.25. Go with this more-precise value 259 # over Shanks & Pottenger. 260 # 261 # From Mariano Absatz (2004-06-05): 262 # These media articles from a major newspaper mostly cover the current state: 263 # http://www.lanacion.com.ar/04/05/27/de_604825.asp 264 # http://www.lanacion.com.ar/04/05/28/de_605203.asp 265 # 266 # The following eight (8) provinces pulled clocks back to UTC-04:00 at 267 # midnight Monday May 31st. (that is, the night between 05/31 and 06/01). 268 # Apparently, all nine provinces would go back to UTC-03:00 at the same 269 # time in October 17th. 270 # 271 # Catamarca, Chubut, La Rioja, San Juan, San Luis, Santa Cruz, 272 # Tierra del Fuego, Tucumán. 273 # 274 # From Mariano Absatz (2004-06-14): 275 # ... this weekend, the Province of Tucumán decided it'd go back to UTC-03:00 276 # yesterday midnight (that is, at 24:00 Saturday 12th), since the people's 277 # annoyance with the change is much higher than the power savings obtained.... 278 # 279 # From Gwillim Law (2004-06-14): 280 # http://www.lanacion.com.ar/04/06/10/de_609078.asp ... 281 # "The time change in Tierra del Fuego was a conflicted decision from 282 # the start. The government had decreed that the measure would take 283 # effect on June 1, but a normative error forced the new time to begin 284 # three days earlier, from a Saturday to a Sunday.... 285 # Our understanding was that the change was originally scheduled to take place 286 # on June 1 at 00:00 in Chubut, Santa Cruz, Tierra del Fuego (and some other 287 # provinces). Sunday was May 30, only two days earlier. So the article 288 # contains a contradiction. I would give more credence to the Saturday/Sunday 289 # date than the "three days earlier" phrase, and conclude that Tierra del 290 # Fuego set its clocks back at 2004-05-30 00:00. 291 # 292 # From Steffen Thorsen (2004-10-05): 293 # The previous law 7210 which changed the province of Mendoza's time zone 294 # back in May have been modified slightly in a new law 7277, which set the 295 # new end date to 2004-09-26 (original date was 2004-10-17). 296 # http://www.gobernac.mendoza.gov.ar/boletin/pdf/20040924-27244-normas.pdf 297 # 298 # From Mariano Absatz (2004-10-05): 299 # San Juan changed from UTC-03:00 to UTC-04:00 at midnight between 300 # Sunday, May 30th and Monday, May 31st. It changed back to UTC-03:00 301 # at midnight between Saturday, July 24th and Sunday, July 25th.... 302 # http://www.sanjuan.gov.ar/prensa/archivo/000329.html 303 # http://www.sanjuan.gov.ar/prensa/archivo/000426.html 304 # http://www.sanjuan.gov.ar/prensa/archivo/000441.html 305 306 # From Alex Krivenyshev (2008-01-17): 307 # Here are articles that Argentina Province San Luis is planning to end DST 308 # as earlier as upcoming Monday January 21, 2008 or February 2008: 309 # 310 # Provincia argentina retrasa reloj y marca diferencia con resto del país 311 # (Argentine Province delayed clock and mark difference with the rest of the 312 # country) 313 # http://cl.invertia.com/noticias/noticia.aspx?idNoticia=200801171849_EFE_ET4373&idtel 314 # 315 # Es inminente que en San Luis atrasen una hora los relojes 316 # (It is imminent in San Luis clocks one hour delay) 317 # http://www.lagaceta.com.ar/nota/253414/Economia/Es-inminente-que-en-San-Luis-atrasen-una-hora-los-relojes.html 318 # http://www.worldtimezone.net/dst_news/dst_news_argentina02.html 319 320 # From Jesper Nørgaard Welen (2008-01-18): 321 # The page of the San Luis provincial government 322 # http://www.sanluis.gov.ar/notas.asp?idCanal=0&id=22812 323 # confirms what Alex Krivenyshev has earlier sent to the tz 324 # emailing list about that San Luis plans to return to standard 325 # time much earlier than the rest of the country. It also 326 # confirms that upon request the provinces San Juan and Mendoza 327 # refused to follow San Luis in this change. 328 # 329 # The change is supposed to take place Monday the 21st at 0:00 330 # hours. As far as I understand it if this goes ahead, we need 331 # a new timezone for San Luis (although there are also documented 332 # independent changes in the southamerica file of San Luis in 333 # 1990 and 1991 which has not been confirmed). 334 335 # From Jesper Nørgaard Welen (2008-01-25): 336 # Unfortunately the below page has become defunct, about the San Luis 337 # time change. Perhaps because it now is part of a group of pages "Most 338 # important pages of 2008." 339 # 340 # You can use 341 # http://www.sanluis.gov.ar/notas.asp?idCanal=8141&id=22834 342 # instead it seems. Or use "Buscador" from the main page of the San Luis 343 # government, and fill in "huso" and click OK, and you will get 3 pages 344 # from which the first one is identical to the above. 345 346 # From Mariano Absatz (2008-01-28): 347 # I can confirm that the Province of San Luis (and so far only that 348 # province) decided to go back to UTC-3 effective midnight Jan 20th 2008 349 # (that is, Monday 21st at 0:00 is the time the clocks were delayed back 350 # 1 hour), and they intend to keep UTC-3 as their timezone all year round 351 # (that is, unless they change their mind any minute now). 352 # 353 # So we'll have to add yet another city to 'southamerica' (I think San 354 # Luis city is the mos populated city in the Province, so it'd be 355 # America/Argentina/San_Luis... of course I can't remember if San Luis's 356 # history of particular changes goes along with Mendoza or San Juan :-( 357 # (I only remember not being able to collect hard facts about San Luis 358 # back in 2004, when these provinces changed to UTC-4 for a few days, I 359 # mailed them personally and never got an answer). 360 361 # From Paul Eggert (2014-08-12): 362 # Unless otherwise specified, data entries are from Shanks & Pottenger through 363 # 1992, from the IATA otherwise. As noted below, Shanks & Pottenger say that 364 # America/Cordoba split into 6 subregions during 1991/1992, one of which 365 # was America/San_Luis, but we haven't verified this yet so for now we'll 366 # keep America/Cordoba a single region rather than splitting it into the 367 # other 5 subregions. 368 369 # From Mariano Absatz (2009-03-13): 370 # Yesterday (with our usual 2-day notice) the Province of San Luis 371 # decided that next Sunday instead of "staying" @utc-03:00 they will go 372 # to utc-04:00 until the second Saturday in October... 373 # 374 # The press release is at 375 # http://www.sanluis.gov.ar/SL/Paginas/NoticiaDetalle.asp?TemaId=1&InfoPrensaId=3102 376 # (I couldn't find the decree, but www.sanluis.gov.ar 377 # is the official page for the Province Government.) 378 # 379 # There's also a note in only one of the major national papers ... 380 # http://www.lanacion.com.ar/nota.asp?nota_id=1107912 381 # 382 # The press release says [quick and dirty translation]: 383 # ... announced that next Sunday, at 00:00, Puntanos (the San Luis 384 # inhabitants) will have to turn back one hour their clocks 385 # 386 # Since then, San Luis will establish its own Province timezone. Thus, 387 # during 2009, this timezone change will run from 00:00 the third Sunday 388 # in March until 24:00 of the second Saturday in October. 389 390 # From Mariano Absatz (2009-10-16): 391 # ...the Province of San Luis is a case in itself. 392 # 393 # The Law at 394 # http://www.diputadossanluis.gov.ar/diputadosasp/paginas/verNorma.asp?NormaID=276 395 # is ambiguous because establishes a calendar from the 2nd Sunday in 396 # October at 0:00 thru the 2nd Saturday in March at 24:00 and the 397 # complement of that starting on the 2nd Sunday of March at 0:00 and 398 # ending on the 2nd Saturday of March at 24:00. 399 # 400 # This clearly breaks every time the 1st of March or October is a Sunday. 401 # 402 # IMHO, the "spirit of the Law" is to make the changes at 0:00 on the 2nd 403 # Sunday of October and March. 404 # 405 # The problem is that the changes in the rest of the Provinces that did 406 # change in 2007/2008, were made according to the Federal Law and Decrees 407 # that did so on the 3rd Sunday of October and March. 408 # 409 # In fact, San Luis actually switched from UTC-4 to UTC-3 last Sunday 410 # (October 11th) at 0:00. 411 # 412 # So I guess a new set of rules, besides "Arg", must be made and the last 413 # America/Argentina/San_Luis entries should change to use these... 414 # 415 # I'm enclosing a patch that does what I say... regretfully, the San Luis 416 # timezone must be called "WART/WARST" even when most of the time (like, 417 # right now) WARST == ART... that is, since last Sunday, all the country 418 # is using UTC-3, but in my patch, San Luis calls it "WARST" and the rest 419 # of the country calls it "ART". 420 # ... 421 422 # From Alexander Krivenyshev (2010-04-09): 423 # According to news reports from El Diario de la República Province San 424 # Luis, Argentina (standard time UTC-04) will keep Daylight Saving Time 425 # after April 11, 2010 - will continue to have same time as rest of 426 # Argentina (UTC-3) (no DST). 427 # 428 # Confirmaron la prórroga del huso horario de verano (Spanish) 429 # http://www.eldiariodelarepublica.com/index.php?option=com_content&task=view&id=29383&Itemid=9 430 # or (some English translation): 431 # http://www.worldtimezone.com/dst_news/dst_news_argentina08.html 432 433 # From Mariano Absatz (2010-04-12): 434 # yes...I can confirm this...and given that San Luis keeps calling 435 # UTC-03:00 "summer time", we should't just let San Luis go back to "Arg" 436 # rules...San Luis is still using "Western ARgentina Time" and it got 437 # stuck on Summer daylight savings time even though the summer is over. 438 439 # From Paul Eggert (2013-09-05): 440 # Perhaps San Luis operates on the legal fiction that it is at UTC-4 441 # with perpetual summer time, but ordinary usage typically seems to 442 # just say it's at UTC-3; see, for example, 443 # http://es.wikipedia.org/wiki/Hora_oficial_argentina 444 # We've documented similar situations as being plain changes to 445 # standard time, so let's do that here too. This does not change UTC 446 # offsets, only tm_isdst and the time zone abbreviations. One minor 447 # plus is that this silences a zic complaint that there's no POSIX TZ 448 # setting for time stamps past 2038. 449 450 # From Paul Eggert (2013-02-21): 451 # Milne says Córdoba time was -4:16:48.2. Round to the nearest second. 452 453 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 454 # 455 # Buenos Aires (BA), Capital Federal (CF), 456 Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31 457 -4:16:48 - CMT 1920 May # Córdoba Mean Time 458 -4:00 - ART 1930 Dec 459 -4:00 Arg AR%sT 1969 Oct 5 460 -3:00 Arg AR%sT 1999 Oct 3 461 -4:00 Arg AR%sT 2000 Mar 3 462 -3:00 Arg AR%sT 463 # 464 # Córdoba (CB), Santa Fe (SF), Entre Ríos (ER), Corrientes (CN), Misiones (MN), 465 # Chaco (CC), Formosa (FM), Santiago del Estero (SE) 466 # 467 # Shanks & Pottenger also make the following claims, which we haven't verified: 468 # - Formosa switched to -3:00 on 1991-01-07. 469 # - Misiones switched to -3:00 on 1990-12-29. 470 # - Chaco switched to -3:00 on 1991-01-04. 471 # - Santiago del Estero switched to -4:00 on 1991-04-01, 472 # then to -3:00 on 1991-04-26. 473 # 474 Zone America/Argentina/Cordoba -4:16:48 - LMT 1894 Oct 31 475 -4:16:48 - CMT 1920 May 476 -4:00 - ART 1930 Dec 477 -4:00 Arg AR%sT 1969 Oct 5 478 -3:00 Arg AR%sT 1991 Mar 3 479 -4:00 - WART 1991 Oct 20 480 -3:00 Arg AR%sT 1999 Oct 3 481 -4:00 Arg AR%sT 2000 Mar 3 482 -3:00 Arg AR%sT 483 # 484 # Salta (SA), La Pampa (LP), Neuquén (NQ), Rio Negro (RN) 485 Zone America/Argentina/Salta -4:21:40 - LMT 1894 Oct 31 486 -4:16:48 - CMT 1920 May 487 -4:00 - ART 1930 Dec 488 -4:00 Arg AR%sT 1969 Oct 5 489 -3:00 Arg AR%sT 1991 Mar 3 490 -4:00 - WART 1991 Oct 20 491 -3:00 Arg AR%sT 1999 Oct 3 492 -4:00 Arg AR%sT 2000 Mar 3 493 -3:00 Arg AR%sT 2008 Oct 18 494 -3:00 - ART 495 # 496 # Tucumán (TM) 497 Zone America/Argentina/Tucuman -4:20:52 - LMT 1894 Oct 31 498 -4:16:48 - CMT 1920 May 499 -4:00 - ART 1930 Dec 500 -4:00 Arg AR%sT 1969 Oct 5 501 -3:00 Arg AR%sT 1991 Mar 3 502 -4:00 - WART 1991 Oct 20 503 -3:00 Arg AR%sT 1999 Oct 3 504 -4:00 Arg AR%sT 2000 Mar 3 505 -3:00 - ART 2004 Jun 1 506 -4:00 - WART 2004 Jun 13 507 -3:00 Arg AR%sT 508 # 509 # La Rioja (LR) 510 Zone America/Argentina/La_Rioja -4:27:24 - LMT 1894 Oct 31 511 -4:16:48 - CMT 1920 May 512 -4:00 - ART 1930 Dec 513 -4:00 Arg AR%sT 1969 Oct 5 514 -3:00 Arg AR%sT 1991 Mar 1 515 -4:00 - WART 1991 May 7 516 -3:00 Arg AR%sT 1999 Oct 3 517 -4:00 Arg AR%sT 2000 Mar 3 518 -3:00 - ART 2004 Jun 1 519 -4:00 - WART 2004 Jun 20 520 -3:00 Arg AR%sT 2008 Oct 18 521 -3:00 - ART 522 # 523 # San Juan (SJ) 524 Zone America/Argentina/San_Juan -4:34:04 - LMT 1894 Oct 31 525 -4:16:48 - CMT 1920 May 526 -4:00 - ART 1930 Dec 527 -4:00 Arg AR%sT 1969 Oct 5 528 -3:00 Arg AR%sT 1991 Mar 1 529 -4:00 - WART 1991 May 7 530 -3:00 Arg AR%sT 1999 Oct 3 531 -4:00 Arg AR%sT 2000 Mar 3 532 -3:00 - ART 2004 May 31 533 -4:00 - WART 2004 Jul 25 534 -3:00 Arg AR%sT 2008 Oct 18 535 -3:00 - ART 536 # 537 # Jujuy (JY) 538 Zone America/Argentina/Jujuy -4:21:12 - LMT 1894 Oct 31 539 -4:16:48 - CMT 1920 May 540 -4:00 - ART 1930 Dec 541 -4:00 Arg AR%sT 1969 Oct 5 542 -3:00 Arg AR%sT 1990 Mar 4 543 -4:00 - WART 1990 Oct 28 544 -4:00 1:00 WARST 1991 Mar 17 545 -4:00 - WART 1991 Oct 6 546 -3:00 1:00 ARST 1992 547 -3:00 Arg AR%sT 1999 Oct 3 548 -4:00 Arg AR%sT 2000 Mar 3 549 -3:00 Arg AR%sT 2008 Oct 18 550 -3:00 - ART 551 # 552 # Catamarca (CT), Chubut (CH) 553 Zone America/Argentina/Catamarca -4:23:08 - LMT 1894 Oct 31 554 -4:16:48 - CMT 1920 May 555 -4:00 - ART 1930 Dec 556 -4:00 Arg AR%sT 1969 Oct 5 557 -3:00 Arg AR%sT 1991 Mar 3 558 -4:00 - WART 1991 Oct 20 559 -3:00 Arg AR%sT 1999 Oct 3 560 -4:00 Arg AR%sT 2000 Mar 3 561 -3:00 - ART 2004 Jun 1 562 -4:00 - WART 2004 Jun 20 563 -3:00 Arg AR%sT 2008 Oct 18 564 -3:00 - ART 565 # 566 # Mendoza (MZ) 567 Zone America/Argentina/Mendoza -4:35:16 - LMT 1894 Oct 31 568 -4:16:48 - CMT 1920 May 569 -4:00 - ART 1930 Dec 570 -4:00 Arg AR%sT 1969 Oct 5 571 -3:00 Arg AR%sT 1990 Mar 4 572 -4:00 - WART 1990 Oct 15 573 -4:00 1:00 WARST 1991 Mar 1 574 -4:00 - WART 1991 Oct 15 575 -4:00 1:00 WARST 1992 Mar 1 576 -4:00 - WART 1992 Oct 18 577 -3:00 Arg AR%sT 1999 Oct 3 578 -4:00 Arg AR%sT 2000 Mar 3 579 -3:00 - ART 2004 May 23 580 -4:00 - WART 2004 Sep 26 581 -3:00 Arg AR%sT 2008 Oct 18 582 -3:00 - ART 583 # 584 # San Luis (SL) 585 586 Rule SanLuis 2008 2009 - Mar Sun>=8 0:00 0 - 587 Rule SanLuis 2007 2008 - Oct Sun>=8 0:00 1:00 S 588 589 Zone America/Argentina/San_Luis -4:25:24 - LMT 1894 Oct 31 590 -4:16:48 - CMT 1920 May 591 -4:00 - ART 1930 Dec 592 -4:00 Arg AR%sT 1969 Oct 5 593 -3:00 Arg AR%sT 1990 594 -3:00 1:00 ARST 1990 Mar 14 595 -4:00 - WART 1990 Oct 15 596 -4:00 1:00 WARST 1991 Mar 1 597 -4:00 - WART 1991 Jun 1 598 -3:00 - ART 1999 Oct 3 599 -4:00 1:00 WARST 2000 Mar 3 600 -3:00 - ART 2004 May 31 601 -4:00 - WART 2004 Jul 25 602 -3:00 Arg AR%sT 2008 Jan 21 603 -4:00 SanLuis WAR%sT 2009 Oct 11 604 -3:00 - ART 605 # 606 # Santa Cruz (SC) 607 Zone America/Argentina/Rio_Gallegos -4:36:52 - LMT 1894 Oct 31 608 -4:16:48 - CMT 1920 May # Córdoba Mean Time 609 -4:00 - ART 1930 Dec 610 -4:00 Arg AR%sT 1969 Oct 5 611 -3:00 Arg AR%sT 1999 Oct 3 612 -4:00 Arg AR%sT 2000 Mar 3 613 -3:00 - ART 2004 Jun 1 614 -4:00 - WART 2004 Jun 20 615 -3:00 Arg AR%sT 2008 Oct 18 616 -3:00 - ART 617 # 618 # Tierra del Fuego, Antártida e Islas del Atlántico Sur (TF) 619 Zone America/Argentina/Ushuaia -4:33:12 - LMT 1894 Oct 31 620 -4:16:48 - CMT 1920 May # Córdoba Mean Time 621 -4:00 - ART 1930 Dec 622 -4:00 Arg AR%sT 1969 Oct 5 623 -3:00 Arg AR%sT 1999 Oct 3 624 -4:00 Arg AR%sT 2000 Mar 3 625 -3:00 - ART 2004 May 30 626 -4:00 - WART 2004 Jun 20 627 -3:00 Arg AR%sT 2008 Oct 18 628 -3:00 - ART 629 630 # Aruba 631 Link America/Curacao America/Aruba 632 633 # Bolivia 634 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 635 Zone America/La_Paz -4:32:36 - LMT 1890 636 -4:32:36 - CMT 1931 Oct 15 # Calamarca MT 637 -4:32:36 1:00 BOST 1932 Mar 21 # Bolivia ST 638 -4:00 - BOT # Bolivia Time 639 640 # Brazil 641 642 # From Paul Eggert (1993-11-18): 643 # The mayor of Rio recently attempted to change the time zone rules 644 # just in his city, in order to leave more summer time for the tourist trade. 645 # The rule change lasted only part of the day; 646 # the federal government refused to follow the city's rules, and business 647 # was in a chaos, so the mayor backed down that afternoon. 648 649 # From IATA SSIM (1996-02): 650 # _Only_ the following states in BR1 observe DST: Rio Grande do Sul (RS), 651 # Santa Catarina (SC), Paraná (PR), São Paulo (SP), Rio de Janeiro (RJ), 652 # Espírito Santo (ES), Minas Gerais (MG), Bahia (BA), Goiás (GO), 653 # Distrito Federal (DF), Tocantins (TO), Sergipe [SE] and Alagoas [AL]. 654 # [The last three states are new to this issue of the IATA SSIM.] 655 656 # From Gwillim Law (1996-10-07): 657 # Geography, history (Tocantins was part of Goiás until 1989), and other 658 # sources of time zone information lead me to believe that AL, SE, and TO were 659 # always in BR1, and so the only change was whether or not they observed DST.... 660 # The earliest issue of the SSIM I have is 2/91. Each issue from then until 661 # 9/95 says that DST is observed only in the ten states I quoted from 9/95, 662 # along with Mato Grosso (MT) and Mato Grosso do Sul (MS), which are in BR2 663 # (UTC-4).... The other two time zones given for Brazil are BR3, which is 664 # UTC-5, no DST, and applies only in the state of Acre (AC); and BR4, which is 665 # UTC-2, and applies to Fernando de Noronha (formerly FN, but I believe it's 666 # become part of the state of Pernambuco). The boundary between BR1 and BR2 667 # has never been clearly stated. They've simply been called East and West. 668 # However, some conclusions can be drawn from another IATA manual: the Airline 669 # Coding Directory, which lists close to 400 airports in Brazil. For each 670 # airport it gives a time zone which is coded to the SSIM. From that 671 # information, I'm led to conclude that the states of Amapá (AP), Ceará (CE), 672 # Maranhão (MA), Paraíba (PR), Pernambuco (PE), Piauí (PI), and Rio Grande do 673 # Norte (RN), and the eastern part of Pará (PA) are all in BR1 without DST. 674 675 # From Marcos Tadeu (1998-09-27): 676 # Brazilian official page <http://pcdsh01.on.br/verao1.html> 677 678 # From Jesper Nørgaard (2000-11-03): 679 # [For an official list of which regions in Brazil use which time zones, see:] 680 # http://pcdsh01.on.br/Fusbr.htm 681 # http://pcdsh01.on.br/Fusbrhv.htm 682 683 # From Celso Doria via David Madeo (2002-10-09): 684 # The reason for the delay this year has to do with elections in Brazil. 685 # 686 # Unlike in the United States, elections in Brazil are 100% computerized and 687 # the results are known almost immediately. Yesterday, it was the first 688 # round of the elections when 115 million Brazilians voted for President, 689 # Governor, Senators, Federal Deputies, and State Deputies. Nobody is 690 # counting (or re-counting) votes anymore and we know there will be a second 691 # round for the Presidency and also for some Governors. The 2nd round will 692 # take place on October 27th. 693 # 694 # The reason why the DST will only begin November 3rd is that the thousands 695 # of electoral machines used cannot have their time changed, and since the 696 # Constitution says the elections must begin at 8:00 AM and end at 5:00 PM, 697 # the Government decided to postpone DST, instead of changing the Constitution 698 # (maybe, for the next elections, it will be possible to change the clock)... 699 700 # From Rodrigo Severo (2004-10-04): 701 # It's just the biannual change made necessary by the much hyped, supposedly 702 # modern Brazilian eletronic voting machines which, apparently, can't deal 703 # with a time change between the first and the second rounds of the elections. 704 705 # From Steffen Thorsen (2007-09-20): 706 # Brazil will start DST on 2007-10-14 00:00 and end on 2008-02-17 00:00: 707 # http://www.mme.gov.br/site/news/detail.do;jsessionid=BBA06811AFCAAC28F0285210913513DA?newsId=13975 708 709 # From Paul Schulze (2008-06-24): 710 # ...by law number 11.662 of April 24, 2008 (published in the "Diario 711 # Oficial da União"...) in Brazil there are changes in the timezones, 712 # effective today (00:00am at June 24, 2008) as follows: 713 # 714 # a) The timezone UTC+5 is extinguished, with all the Acre state and the 715 # part of the Amazonas state that had this timezone now being put to the 716 # timezone UTC+4 717 # b) The whole Pará state now is put at timezone UTC+3, instead of just 718 # part of it, as was before. 719 # 720 # This change follows a proposal of senator Tiao Viana of Acre state, that 721 # proposed it due to concerns about open television channels displaying 722 # programs inappropriate to youths in the states that had the timezone 723 # UTC+5 too early in the night. In the occasion, some more corrections 724 # were proposed, trying to unify the timezones of any given state. This 725 # change modifies timezone rules defined in decree 2.784 of 18 June, 726 # 1913. 727 728 # From Rodrigo Severo (2008-06-24): 729 # Just correcting the URL: 730 # https://www.in.gov.br/imprensa/visualiza/index.jsp?jornal=do&secao=1&pagina=1&data=25/04/2008 731 # 732 # As a result of the above Decree I believe the America/Rio_Branco 733 # timezone shall be modified from UTC-5 to UTC-4 and a new timezone shall 734 # be created to represent the...west side of the Pará State. I 735 # suggest this new timezone be called Santarem as the most 736 # important/populated city in the affected area. 737 # 738 # This new timezone would be the same as the Rio_Branco timezone up to 739 # the 2008/06/24 change which would be to UTC-3 instead of UTC-4. 740 741 # From Alex Krivenyshev (2008-06-24): 742 # This is a quick reference page for New and Old Brazil Time Zones map. 743 # http://www.worldtimezone.com/brazil-time-new-old.php 744 # 745 # - 4 time zones replaced by 3 time zones - eliminating time zone UTC-05 746 # (state Acre and the part of the Amazonas will be UTC/GMT-04) - western 747 # part of Par state is moving to one timezone UTC-03 (from UTC-04). 748 749 # From Paul Eggert (2002-10-10): 750 # The official decrees referenced below are mostly taken from 751 # Decretos sobre o Horário de Verão no Brasil. 752 # http://pcdsh01.on.br/DecHV.html 753 754 # From Steffen Thorsen (2008-08-29): 755 # As announced by the government and many newspapers in Brazil late 756 # yesterday, Brazil will start DST on 2008-10-19 (need to change rule) and 757 # it will end on 2009-02-15 (current rule for Brazil is fine). Based on 758 # past years experience with the elections, there was a good chance that 759 # the start was postponed to November, but it did not happen this year. 760 # 761 # It has not yet been posted to http://pcdsh01.on.br/DecHV.html 762 # 763 # An official page about it: 764 # http://www.mme.gov.br/site/news/detail.do?newsId=16722 765 # Note that this link does not always work directly, but must be accessed 766 # by going to 767 # http://www.mme.gov.br/first 768 # 769 # One example link that works directly: 770 # http://jornale.com.br/index.php?option=com_content&task=view&id=13530&Itemid=54 771 # (Portuguese) 772 # 773 # We have a written a short article about it as well: 774 # http://www.timeanddate.com/news/time/brazil-dst-2008-2009.html 775 # 776 # From Alexander Krivenyshev (2011-10-04): 777 # State Bahia will return to Daylight savings time this year after 8 years off. 778 # The announcement was made by Governor Jaques Wagner in an interview to a 779 # television station in Salvador. 780 781 # In Portuguese: 782 # http://g1.globo.com/bahia/noticia/2011/10/governador-jaques-wagner-confirma-horario-de-verao-na-bahia.html 783 # http://noticias.terra.com.br/brasil/noticias/0,,OI5390887-EI8139,00-Bahia+volta+a+ter+horario+de+verao+apos+oito+anos.html 784 785 # From Guilherme Bernardes Rodrigues (2011-10-07): 786 # There is news in the media, however there is still no decree about it. 787 # I just send a e-mail to Zulmira Brandao at http://pcdsh01.on.br/ the 788 # official agency about time in Brazil, and she confirmed that the old rule is 789 # still in force. 790 791 # From Guilherme Bernardes Rodrigues (2011-10-14) 792 # It's official, the President signed a decree that includes Bahia in summer 793 # time. 794 # [ and in a second message (same day): ] 795 # I found the decree. 796 # 797 # DECRETO No- 7.584, DE 13 DE OUTUBRO DE 2011 798 # Link : 799 # http://www.in.gov.br/visualiza/index.jsp?data=13/10/2011&jornal=1000&pagina=6&totalArquivos=6 800 801 # From Kelley Cook (2012-10-16): 802 # The governor of state of Bahia in Brazil announced on Thursday that 803 # due to public pressure, he is reversing the DST policy they implemented 804 # last year and will not be going to Summer Time on October 21st.... 805 # http://www.correio24horas.com.br/r/artigo/apos-pressoes-wagner-suspende-horario-de-verao-na-bahia 806 807 # From Rodrigo Severo (2012-10-16): 808 # Tocantins state will have DST. 809 # http://noticias.terra.com.br/brasil/noticias/0,,OI6232536-EI306.html 810 811 # From Steffen Thorsen (2013-09-20): 812 # Tocantins in Brazil is very likely not to observe DST from October.... 813 # http://conexaoto.com.br/2013/09/18/ministerio-confirma-que-tocantins-esta-fora-do-horario-de-verao-em-2013-mas-falta-publicacao-de-decreto 814 # We will keep this article updated when this is confirmed: 815 # http://www.timeanddate.com/news/time/brazil-starts-dst-2013.html 816 817 # From Steffen Thorsen (2013-10-17): 818 # http://www.timeanddate.com/news/time/acre-amazonas-change-time-zone.html 819 # Senator Jorge Viana announced that Acre will change time zone on November 10. 820 # He did not specify the time of the change, nor if western parts of Amazonas 821 # will change as well. 822 # 823 # From Paul Eggert (2013-10-17): 824 # For now, assume western Amazonas will change as well. 825 826 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 827 # Decree 20,466 <http://pcdsh01.on.br/HV20466.htm> (1931-10-01) 828 # Decree 21,896 <http://pcdsh01.on.br/HV21896.htm> (1932-01-10) 829 Rule Brazil 1931 only - Oct 3 11:00 1:00 S 830 Rule Brazil 1932 1933 - Apr 1 0:00 0 - 831 Rule Brazil 1932 only - Oct 3 0:00 1:00 S 832 # Decree 23,195 <http://pcdsh01.on.br/HV23195.htm> (1933-10-10) 833 # revoked DST. 834 # Decree 27,496 <http://pcdsh01.on.br/HV27496.htm> (1949-11-24) 835 # Decree 27,998 <http://pcdsh01.on.br/HV27998.htm> (1950-04-13) 836 Rule Brazil 1949 1952 - Dec 1 0:00 1:00 S 837 Rule Brazil 1950 only - Apr 16 1:00 0 - 838 Rule Brazil 1951 1952 - Apr 1 0:00 0 - 839 # Decree 32,308 <http://pcdsh01.on.br/HV32308.htm> (1953-02-24) 840 Rule Brazil 1953 only - Mar 1 0:00 0 - 841 # Decree 34,724 <http://pcdsh01.on.br/HV34724.htm> (1953-11-30) 842 # revoked DST. 843 # Decree 52,700 <http://pcdsh01.on.br/HV52700.htm> (1963-10-18) 844 # established DST from 1963-10-23 00:00 to 1964-02-29 00:00 845 # in SP, RJ, GB, MG, ES, due to the prolongation of the drought. 846 # Decree 53,071 <http://pcdsh01.on.br/HV53071.htm> (1963-12-03) 847 # extended the above decree to all of the national territory on 12-09. 848 Rule Brazil 1963 only - Dec 9 0:00 1:00 S 849 # Decree 53,604 <http://pcdsh01.on.br/HV53604.htm> (1964-02-25) 850 # extended summer time by one day to 1964-03-01 00:00 (start of school). 851 Rule Brazil 1964 only - Mar 1 0:00 0 - 852 # Decree 55,639 <http://pcdsh01.on.br/HV55639.htm> (1965-01-27) 853 Rule Brazil 1965 only - Jan 31 0:00 1:00 S 854 Rule Brazil 1965 only - Mar 31 0:00 0 - 855 # Decree 57,303 <http://pcdsh01.on.br/HV57303.htm> (1965-11-22) 856 Rule Brazil 1965 only - Dec 1 0:00 1:00 S 857 # Decree 57,843 <http://pcdsh01.on.br/HV57843.htm> (1966-02-18) 858 Rule Brazil 1966 1968 - Mar 1 0:00 0 - 859 Rule Brazil 1966 1967 - Nov 1 0:00 1:00 S 860 # Decree 63,429 <http://pcdsh01.on.br/HV63429.htm> (1968-10-15) 861 # revoked DST. 862 # Decree 91,698 <http://pcdsh01.on.br/HV91698.htm> (1985-09-27) 863 Rule Brazil 1985 only - Nov 2 0:00 1:00 S 864 # Decree 92,310 (1986-01-21) 865 # Decree 92,463 (1986-03-13) 866 Rule Brazil 1986 only - Mar 15 0:00 0 - 867 # Decree 93,316 (1986-10-01) 868 Rule Brazil 1986 only - Oct 25 0:00 1:00 S 869 Rule Brazil 1987 only - Feb 14 0:00 0 - 870 # Decree 94,922 <http://pcdsh01.on.br/HV94922.htm> (1987-09-22) 871 Rule Brazil 1987 only - Oct 25 0:00 1:00 S 872 Rule Brazil 1988 only - Feb 7 0:00 0 - 873 # Decree 96,676 <http://pcdsh01.on.br/HV96676.htm> (1988-09-12) 874 # except for the states of AC, AM, PA, RR, RO, and AP (then a territory) 875 Rule Brazil 1988 only - Oct 16 0:00 1:00 S 876 Rule Brazil 1989 only - Jan 29 0:00 0 - 877 # Decree 98,077 <http://pcdsh01.on.br/HV98077.htm> (1989-08-21) 878 # with the same exceptions 879 Rule Brazil 1989 only - Oct 15 0:00 1:00 S 880 Rule Brazil 1990 only - Feb 11 0:00 0 - 881 # Decree 99,530 <http://pcdsh01.on.br/HV99530.htm> (1990-09-17) 882 # adopted by RS, SC, PR, SP, RJ, ES, MG, GO, MS, DF. 883 # Decree 99,629 (1990-10-19) adds BA, MT. 884 Rule Brazil 1990 only - Oct 21 0:00 1:00 S 885 Rule Brazil 1991 only - Feb 17 0:00 0 - 886 # Unnumbered decree <http://pcdsh01.on.br/HV1991.htm> (1991-09-25) 887 # adopted by RS, SC, PR, SP, RJ, ES, MG, BA, GO, MT, MS, DF. 888 Rule Brazil 1991 only - Oct 20 0:00 1:00 S 889 Rule Brazil 1992 only - Feb 9 0:00 0 - 890 # Unnumbered decree <http://pcdsh01.on.br/HV1992.htm> (1992-10-16) 891 # adopted by same states. 892 Rule Brazil 1992 only - Oct 25 0:00 1:00 S 893 Rule Brazil 1993 only - Jan 31 0:00 0 - 894 # Decree 942 <http://pcdsh01.on.br/HV942.htm> (1993-09-28) 895 # adopted by same states, plus AM. 896 # Decree 1,252 <http://pcdsh01.on.br/HV1252.htm> (1994-09-22; 897 # web page corrected 2004-01-07) adopted by same states, minus AM. 898 # Decree 1,636 <http://pcdsh01.on.br/HV1636.htm> (1995-09-14) 899 # adopted by same states, plus MT and TO. 900 # Decree 1,674 <http://pcdsh01.on.br/HV1674.htm> (1995-10-13) 901 # adds AL, SE. 902 Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 S 903 Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 - 904 Rule Brazil 1996 only - Feb 11 0:00 0 - 905 # Decree 2,000 <http://pcdsh01.on.br/HV2000.htm> (1996-09-04) 906 # adopted by same states, minus AL, SE. 907 Rule Brazil 1996 only - Oct 6 0:00 1:00 S 908 Rule Brazil 1997 only - Feb 16 0:00 0 - 909 # From Daniel C. Sobral (1998-02-12): 910 # In 1997, the DS began on October 6. The stated reason was that 911 # because international television networks ignored Brazil's policy on DS, 912 # they bought the wrong times on satellite for coverage of Pope's visit. 913 # This year, the ending date of DS was postponed to March 1 914 # to help dealing with the shortages of electric power. 915 # 916 # Decree 2,317 (1997-09-04), adopted by same states. 917 Rule Brazil 1997 only - Oct 6 0:00 1:00 S 918 # Decree 2,495 <http://pcdsh01.on.br/figuras/HV2495.JPG> 919 # (1998-02-10) 920 Rule Brazil 1998 only - Mar 1 0:00 0 - 921 # Decree 2,780 <http://pcdsh01.on.br/figuras/Hv98.jpg> (1998-09-11) 922 # adopted by the same states as before. 923 Rule Brazil 1998 only - Oct 11 0:00 1:00 S 924 Rule Brazil 1999 only - Feb 21 0:00 0 - 925 # Decree 3,150 <http://pcdsh01.on.br/figuras/HV3150.gif> 926 # (1999-08-23) adopted by same states. 927 # Decree 3,188 <http://pcdsh01.on.br/DecHV99.gif> (1999-09-30) 928 # adds SE, AL, PB, PE, RN, CE, PI, MA and RR. 929 Rule Brazil 1999 only - Oct 3 0:00 1:00 S 930 Rule Brazil 2000 only - Feb 27 0:00 0 - 931 # Decree 3,592 <http://pcdsh01.on.br/DEC3592.htm> (2000-09-06) 932 # adopted by the same states as before. 933 # Decree 3,630 <http://pcdsh01.on.br/Dec3630.jpg> (2000-10-13) 934 # repeals DST in PE and RR, effective 2000-10-15 00:00. 935 # Decree 3,632 <http://pcdsh01.on.br/Dec3632.jpg> (2000-10-17) 936 # repeals DST in SE, AL, PB, RN, CE, PI and MA, effective 2000-10-22 00:00. 937 # Decree 3,916 <http://pcdsh01.on.br/figuras/HV3916.gif> 938 # (2001-09-13) reestablishes DST in AL, CE, MA, PB, PE, PI, RN, SE. 939 Rule Brazil 2000 2001 - Oct Sun>=8 0:00 1:00 S 940 Rule Brazil 2001 2006 - Feb Sun>=15 0:00 0 - 941 # Decree 4,399 (2002-10-01) repeals DST in AL, CE, MA, PB, PE, PI, RN, SE. 942 # 4,399 <http://www.presidencia.gov.br/CCIVIL/decreto/2002/D4399.htm> 943 Rule Brazil 2002 only - Nov 3 0:00 1:00 S 944 # Decree 4,844 (2003-09-24; corrected 2003-09-26) repeals DST in BA, MT, TO. 945 # 4,844 <http://www.presidencia.gov.br/CCIVIL/decreto/2003/D4844.htm> 946 Rule Brazil 2003 only - Oct 19 0:00 1:00 S 947 # Decree 5,223 (2004-10-01) reestablishes DST in MT. 948 # 5,223 <http://www.planalto.gov.br/ccivil_03/_Ato2004-2006/2004/Decreto/D5223.htm> 949 Rule Brazil 2004 only - Nov 2 0:00 1:00 S 950 # Decree 5,539 <http://pcdsh01.on.br/DecHV5539.gif> (2005-09-19), 951 # adopted by the same states as before. 952 Rule Brazil 2005 only - Oct 16 0:00 1:00 S 953 # Decree 5,920 <http://pcdsh01.on.br/DecHV5920.gif> (2006-10-03), 954 # adopted by the same states as before. 955 Rule Brazil 2006 only - Nov 5 0:00 1:00 S 956 Rule Brazil 2007 only - Feb 25 0:00 0 - 957 # Decree 6,212 <http://pcdsh01.on.br/DecHV6212.gif> (2007-09-26), 958 # adopted by the same states as before. 959 Rule Brazil 2007 only - Oct Sun>=8 0:00 1:00 S 960 # From Frederico A. C. Neves (2008-09-10): 961 # According to this decree 962 # http://www.planalto.gov.br/ccivil_03/_Ato2007-2010/2008/Decreto/D6558.htm 963 # [t]he DST period in Brazil now on will be from the 3rd Oct Sunday to the 964 # 3rd Feb Sunday. There is an exception on the return date when this is 965 # the Carnival Sunday then the return date will be the next Sunday... 966 Rule Brazil 2008 max - Oct Sun>=15 0:00 1:00 S 967 Rule Brazil 2008 2011 - Feb Sun>=15 0:00 0 - 968 Rule Brazil 2012 only - Feb Sun>=22 0:00 0 - 969 Rule Brazil 2013 2014 - Feb Sun>=15 0:00 0 - 970 Rule Brazil 2015 only - Feb Sun>=22 0:00 0 - 971 Rule Brazil 2016 2022 - Feb Sun>=15 0:00 0 - 972 Rule Brazil 2023 only - Feb Sun>=22 0:00 0 - 973 Rule Brazil 2024 2025 - Feb Sun>=15 0:00 0 - 974 Rule Brazil 2026 only - Feb Sun>=22 0:00 0 - 975 Rule Brazil 2027 2033 - Feb Sun>=15 0:00 0 - 976 Rule Brazil 2034 only - Feb Sun>=22 0:00 0 - 977 Rule Brazil 2035 2036 - Feb Sun>=15 0:00 0 - 978 Rule Brazil 2037 only - Feb Sun>=22 0:00 0 - 979 # From Arthur David Olson (2008-09-29): 980 # The next is wrong in some years but is better than nothing. 981 Rule Brazil 2038 max - Feb Sun>=15 0:00 0 - 982 983 # The latest ruleset listed above says that the following states observe DST: 984 # DF, ES, GO, MG, MS, MT, PR, RJ, RS, SC, SP. 985 986 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 987 # 988 # Fernando de Noronha (administratively part of PE) 989 Zone America/Noronha -2:09:40 - LMT 1914 990 -2:00 Brazil FN%sT 1990 Sep 17 991 -2:00 - FNT 1999 Sep 30 992 -2:00 Brazil FN%sT 2000 Oct 15 993 -2:00 - FNT 2001 Sep 13 994 -2:00 Brazil FN%sT 2002 Oct 1 995 -2:00 - FNT 996 # Other Atlantic islands have no permanent settlement. 997 # These include Trindade and Martim Vaz (administratively part of ES), 998 # Rocas Atoll (RN), and the St Peter and St Paul Archipelago (PE). 999 # Fernando de Noronha was a separate territory from 1942-09-02 to 1989-01-01; 1000 # it also included the Penedos. 1001 # 1002 # Amapá (AP), east Pará (PA) 1003 # East Pará includes Belém, Marabá, Serra Norte, and São Félix do Xingu. 1004 # The division between east and west Pará is the river Xingu. 1005 # In the north a very small part from the river Javary (now Jari I guess, 1006 # the border with Amapá) to the Amazon, then to the Xingu. 1007 Zone America/Belem -3:13:56 - LMT 1914 1008 -3:00 Brazil BR%sT 1988 Sep 12 1009 -3:00 - BRT 1010 # 1011 # west Pará (PA) 1012 # West Pará includes Altamira, Óbidos, Prainha, Oriximiná, and Santarém. 1013 Zone America/Santarem -3:38:48 - LMT 1914 1014 -4:00 Brazil AM%sT 1988 Sep 12 1015 -4:00 - AMT 2008 Jun 24 0:00 1016 -3:00 - BRT 1017 # 1018 # Maranhão (MA), Piauí (PI), Ceará (CE), Rio Grande do Norte (RN), 1019 # Paraíba (PB) 1020 Zone America/Fortaleza -2:34:00 - LMT 1914 1021 -3:00 Brazil BR%sT 1990 Sep 17 1022 -3:00 - BRT 1999 Sep 30 1023 -3:00 Brazil BR%sT 2000 Oct 22 1024 -3:00 - BRT 2001 Sep 13 1025 -3:00 Brazil BR%sT 2002 Oct 1 1026 -3:00 - BRT 1027 # 1028 # Pernambuco (PE) (except Atlantic islands) 1029 Zone America/Recife -2:19:36 - LMT 1914 1030 -3:00 Brazil BR%sT 1990 Sep 17 1031 -3:00 - BRT 1999 Sep 30 1032 -3:00 Brazil BR%sT 2000 Oct 15 1033 -3:00 - BRT 2001 Sep 13 1034 -3:00 Brazil BR%sT 2002 Oct 1 1035 -3:00 - BRT 1036 # 1037 # Tocantins (TO) 1038 Zone America/Araguaina -3:12:48 - LMT 1914 1039 -3:00 Brazil BR%sT 1990 Sep 17 1040 -3:00 - BRT 1995 Sep 14 1041 -3:00 Brazil BR%sT 2003 Sep 24 1042 -3:00 - BRT 2012 Oct 21 1043 -3:00 Brazil BR%sT 2013 Sep 1044 -3:00 - BRT 1045 # 1046 # Alagoas (AL), Sergipe (SE) 1047 Zone America/Maceio -2:22:52 - LMT 1914 1048 -3:00 Brazil BR%sT 1990 Sep 17 1049 -3:00 - BRT 1995 Oct 13 1050 -3:00 Brazil BR%sT 1996 Sep 4 1051 -3:00 - BRT 1999 Sep 30 1052 -3:00 Brazil BR%sT 2000 Oct 22 1053 -3:00 - BRT 2001 Sep 13 1054 -3:00 Brazil BR%sT 2002 Oct 1 1055 -3:00 - BRT 1056 # 1057 # Bahia (BA) 1058 # There are too many Salvadors elsewhere, so use America/Bahia instead 1059 # of America/Salvador. 1060 Zone America/Bahia -2:34:04 - LMT 1914 1061 -3:00 Brazil BR%sT 2003 Sep 24 1062 -3:00 - BRT 2011 Oct 16 1063 -3:00 Brazil BR%sT 2012 Oct 21 1064 -3:00 - BRT 1065 # 1066 # Goiás (GO), Distrito Federal (DF), Minas Gerais (MG), 1067 # Espírito Santo (ES), Rio de Janeiro (RJ), São Paulo (SP), Paraná (PR), 1068 # Santa Catarina (SC), Rio Grande do Sul (RS) 1069 Zone America/Sao_Paulo -3:06:28 - LMT 1914 1070 -3:00 Brazil BR%sT 1963 Oct 23 0:00 1071 -3:00 1:00 BRST 1964 1072 -3:00 Brazil BR%sT 1073 # 1074 # Mato Grosso do Sul (MS) 1075 Zone America/Campo_Grande -3:38:28 - LMT 1914 1076 -4:00 Brazil AM%sT 1077 # 1078 # Mato Grosso (MT) 1079 Zone America/Cuiaba -3:44:20 - LMT 1914 1080 -4:00 Brazil AM%sT 2003 Sep 24 1081 -4:00 - AMT 2004 Oct 1 1082 -4:00 Brazil AM%sT 1083 # 1084 # Rondônia (RO) 1085 Zone America/Porto_Velho -4:15:36 - LMT 1914 1086 -4:00 Brazil AM%sT 1988 Sep 12 1087 -4:00 - AMT 1088 # 1089 # Roraima (RR) 1090 Zone America/Boa_Vista -4:02:40 - LMT 1914 1091 -4:00 Brazil AM%sT 1988 Sep 12 1092 -4:00 - AMT 1999 Sep 30 1093 -4:00 Brazil AM%sT 2000 Oct 15 1094 -4:00 - AMT 1095 # 1096 # east Amazonas (AM): Boca do Acre, Jutaí, Manaus, Floriano Peixoto 1097 # The great circle line from Tabatinga to Porto Acre divides 1098 # east from west Amazonas. 1099 Zone America/Manaus -4:00:04 - LMT 1914 1100 -4:00 Brazil AM%sT 1988 Sep 12 1101 -4:00 - AMT 1993 Sep 28 1102 -4:00 Brazil AM%sT 1994 Sep 22 1103 -4:00 - AMT 1104 # 1105 # west Amazonas (AM): Atalaia do Norte, Boca do Maoco, Benjamin Constant, 1106 # Eirunepé, Envira, Ipixuna 1107 Zone America/Eirunepe -4:39:28 - LMT 1914 1108 -5:00 Brazil AC%sT 1988 Sep 12 1109 -5:00 - ACT 1993 Sep 28 1110 -5:00 Brazil AC%sT 1994 Sep 22 1111 -5:00 - ACT 2008 Jun 24 0:00 1112 -4:00 - AMT 2013 Nov 10 1113 -5:00 - ACT 1114 # 1115 # Acre (AC) 1116 Zone America/Rio_Branco -4:31:12 - LMT 1914 1117 -5:00 Brazil AC%sT 1988 Sep 12 1118 -5:00 - ACT 2008 Jun 24 0:00 1119 -4:00 - AMT 2013 Nov 10 1120 -5:00 - ACT 1121 1122 # Chile 1123 1124 # From Eduardo Krell (1995-10-19): 1125 # The law says to switch to DST at midnight [24:00] on the second SATURDAY 1126 # of October.... The law is the same for March and October. 1127 # (1998-09-29): 1128 # Because of the drought this year, the government decided to go into 1129 # DST earlier (saturday 9/26 at 24:00). This is a one-time change only ... 1130 # (unless there's another dry season next year, I guess). 1131 1132 # From Julio I. Pacheco Troncoso (1999-03-18): 1133 # Because of the same drought, the government decided to end DST later, 1134 # on April 3, (one-time change). 1135 1136 # From Oscar van Vlijmen (2006-10-08): 1137 # http://www.horaoficial.cl/cambio.htm 1138 1139 # From Jesper Nørgaard Welen (2006-10-08): 1140 # I think that there are some obvious mistakes in the suggested link 1141 # from Oscar van Vlijmen,... for instance entry 66 says that GMT-4 1142 # ended 1990-09-12 while entry 67 only begins GMT-3 at 1990-09-15 1143 # (they should have been 1990-09-15 and 1990-09-16 respectively), but 1144 # anyhow it clears up some doubts too. 1145 1146 # From Paul Eggert (2014-08-12): 1147 # The following data entries for Chile and America/Santiago are from 1148 # <http://www.horaoficial.cl/horaof.htm> (2006-09-20), transcribed by 1149 # Jesper Nørgaard Welen. The data entries for Pacific/Easter are from Shanks 1150 # & Pottenger, except with DST transitions after 1932 cloned from 1151 # America/Santiago. The pre-1980 Pacific/Easter data entries are dubious, 1152 # but we have no other source. 1153 1154 # From Germán Poo-Caamaño (2008-03-03): 1155 # Due to drought, Chile extends Daylight Time in three weeks. This 1156 # is one-time change (Saturday 3/29 at 24:00 for America/Santiago 1157 # and Saturday 3/29 at 22:00 for Pacific/Easter) 1158 # The Supreme Decree is located at 1159 # http://www.shoa.cl/servicios/supremo316.pdf 1160 # and the instructions for 2008 are located in: 1161 # http://www.horaoficial.cl/cambio.htm 1162 1163 # From José Miguel Garrido (2008-03-05): 1164 # ... 1165 # You could see the announces of the change on 1166 # http://www.shoa.cl/noticias/2008/04hora/hora.htm 1167 1168 # From Angel Chiang (2010-03-04): 1169 # Subject: DST in Chile exceptionally extended to 3 April due to earthquake 1170 # http://www.gobiernodechile.cl/viewNoticia.aspx?idArticulo=30098 1171 # (in Spanish, last paragraph). 1172 # 1173 # This is breaking news. There should be more information available later. 1174 1175 # From Arthur David Olson (2010-03-06): 1176 # Angel Chiang's message confirmed by Julio Pacheco; Julio provided a patch. 1177 1178 # From Glenn Eychaner (2011-03-02): 1179 # It appears that the Chilean government has decided to postpone the 1180 # change from summer time to winter time again, by three weeks to April 1181 # 2nd: 1182 # http://www.emol.com/noticias/nacional/detalle/detallenoticias.asp?idnoticia=467651 1183 # 1184 # This is not yet reflected in the official "cambio de hora" site, but 1185 # probably will be soon: 1186 # http://www.horaoficial.cl/cambio.htm 1187 1188 # From Arthur David Olson (2011-03-02): 1189 # The emol.com article mentions a water shortage as the cause of the 1190 # postponement, which may mean that it's not a permanent change. 1191 1192 # From Glenn Eychaner (2011-03-28): 1193 # The article: 1194 # http://diario.elmercurio.com/2011/03/28/_portada/_portada/noticias/7565897A-CA86-49E6-9E03-660B21A4883E.htm?id=3D{7565897A-CA86-49E6-9E03-660B21A4883E} 1195 # 1196 # In English: 1197 # Chile's clocks will go back an hour this year on the 7th of May instead 1198 # of this Saturday. They will go forward again the 3rd Saturday in 1199 # August, not in October as they have since 1968. This is a pilot plan 1200 # which will be reevaluated in 2012. 1201 1202 # From Mauricio Parada (2012-02-22), translated by Glenn Eychaner (2012-02-23): 1203 # As stated in the website of the Chilean Energy Ministry 1204 # http://www.minenergia.cl/ministerio/noticias/generales/gobierno-anuncia-fechas-de-cambio-de.html 1205 # The Chilean Government has decided to postpone the entrance into winter time 1206 # (to leave DST) from March 11 2012 to April 28th 2012. The decision has not 1207 # been yet formalized but it will within the next days. 1208 # Quote from the website communication: 1209 # 1210 # 6. For the year 2012, the dates of entry into winter time will be as follows: 1211 # a. Saturday April 28, 2012, clocks should go back 60 minutes; that is, at 1212 # 23:59:59, instead of passing to 0:00, the time should be adjusted to be 23:00 1213 # of the same day. 1214 # b. Saturday, September 1, 2012, clocks should go forward 60 minutes; that is, 1215 # at 23:59:59, instead of passing to 0:00, the time should be adjusted to be 1216 # 01:00 on September 2. 1217 1218 # From Steffen Thorsen (2013-02-15): 1219 # According to several news sources, Chile has extended DST this year, 1220 # they will end DST later and start DST earlier than planned. They 1221 # hope to save energy. The new end date is 2013-04-28 00:00 and new 1222 # start date is 2013-09-08 00:00.... 1223 # http://www.gob.cl/informa/2013/02/15/gobierno-anuncia-fechas-de-cambio-de-hora-para-el-ano-2013.htm 1224 1225 # From José Miguel Garrido (2014-02-19): 1226 # Today appeared in the Diario Oficial a decree amending the time change 1227 # dates to 2014. 1228 # DST End: last Saturday of April 2014 (Sun 27 Apr 2014 03:00 UTC) 1229 # DST Start: first Saturday of September 2014 (Sun 07 Sep 2014 04:00 UTC) 1230 # http://www.diariooficial.interior.gob.cl//media/2014/02/19/do-20140219.pdf 1231 1232 # From Eduardo Romero Urra (2015-03-03): 1233 # Today has been published officially that Chile will use the DST time 1234 # permanently until March 25 of 2017 1235 # http://www.diariooficial.interior.gob.cl/media/2015/03/03/1-large.jpg 1236 # 1237 # From Paul Eggert (2015-03-03): 1238 # For now, assume that the extension will persist indefinitely. 1239 1240 # NOTE: ChileAQ rules for Antarctic bases are stored separately in the 1241 # 'antarctica' file. 1242 1243 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1244 Rule Chile 1927 1932 - Sep 1 0:00 1:00 S 1245 Rule Chile 1928 1932 - Apr 1 0:00 0 - 1246 Rule Chile 1942 only - Jun 1 4:00u 0 - 1247 Rule Chile 1942 only - Aug 1 5:00u 1:00 S 1248 Rule Chile 1946 only - Jul 15 4:00u 1:00 S 1249 Rule Chile 1946 only - Sep 1 3:00u 0:00 - 1250 Rule Chile 1947 only - Apr 1 4:00u 0 - 1251 Rule Chile 1968 only - Nov 3 4:00u 1:00 S 1252 Rule Chile 1969 only - Mar 30 3:00u 0 - 1253 Rule Chile 1969 only - Nov 23 4:00u 1:00 S 1254 Rule Chile 1970 only - Mar 29 3:00u 0 - 1255 Rule Chile 1971 only - Mar 14 3:00u 0 - 1256 Rule Chile 1970 1972 - Oct Sun>=9 4:00u 1:00 S 1257 Rule Chile 1972 1986 - Mar Sun>=9 3:00u 0 - 1258 Rule Chile 1973 only - Sep 30 4:00u 1:00 S 1259 Rule Chile 1974 1987 - Oct Sun>=9 4:00u 1:00 S 1260 Rule Chile 1987 only - Apr 12 3:00u 0 - 1261 Rule Chile 1988 1989 - Mar Sun>=9 3:00u 0 - 1262 Rule Chile 1988 only - Oct Sun>=1 4:00u 1:00 S 1263 Rule Chile 1989 only - Oct Sun>=9 4:00u 1:00 S 1264 Rule Chile 1990 only - Mar 18 3:00u 0 - 1265 Rule Chile 1990 only - Sep 16 4:00u 1:00 S 1266 Rule Chile 1991 1996 - Mar Sun>=9 3:00u 0 - 1267 Rule Chile 1991 1997 - Oct Sun>=9 4:00u 1:00 S 1268 Rule Chile 1997 only - Mar 30 3:00u 0 - 1269 Rule Chile 1998 only - Mar Sun>=9 3:00u 0 - 1270 Rule Chile 1998 only - Sep 27 4:00u 1:00 S 1271 Rule Chile 1999 only - Apr 4 3:00u 0 - 1272 Rule Chile 1999 2010 - Oct Sun>=9 4:00u 1:00 S 1273 Rule Chile 2000 2007 - Mar Sun>=9 3:00u 0 - 1274 # N.B.: the end of March 29 in Chile is March 30 in Universal time, 1275 # which is used below in specifying the transition. 1276 Rule Chile 2008 only - Mar 30 3:00u 0 - 1277 Rule Chile 2009 only - Mar Sun>=9 3:00u 0 - 1278 Rule Chile 2010 only - Apr Sun>=1 3:00u 0 - 1279 Rule Chile 2011 only - May Sun>=2 3:00u 0 - 1280 Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 S 1281 Rule Chile 2012 2015 - Apr Sun>=23 3:00u 0 - 1282 Rule Chile 2012 2014 - Sep Sun>=2 4:00u 1:00 S 1283 # IATA SSIM anomalies: (1992-02) says 1992-03-14; 1284 # (1996-09) says 1998-03-08. Ignore these. 1285 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1286 Zone America/Santiago -4:42:46 - LMT 1890 1287 -4:42:46 - SMT 1910 # Santiago Mean Time 1288 -5:00 - CLT 1916 Jul 1 # Chile Time 1289 -4:42:46 - SMT 1918 Sep 1 # Santiago Mean Time 1290 -4:00 - CLT 1919 Jul 1 # Chile Time 1291 -4:42:46 - SMT 1927 Sep 1 # Santiago Mean Time 1292 -5:00 Chile CL%sT 1947 May 22 # Chile Time 1293 -4:00 Chile CL%sT 2015 Apr 26 3:00u 1294 -3:00 - CLT 1295 Zone Pacific/Easter -7:17:44 - LMT 1890 1296 -7:17:28 - EMT 1932 Sep # Easter Mean Time 1297 -7:00 Chile EAS%sT 1982 Mar 14 3:00u # Easter Time 1298 -6:00 Chile EAS%sT 2015 Apr 26 3:00u 1299 -5:00 - EAST 1300 # 1301 # Salas y Gómez Island is uninhabited. 1302 # Other Chilean locations, including Juan Fernández Is, Desventuradas Is, 1303 # and Antarctic bases, are like America/Santiago. 1304 1305 # Colombia 1306 1307 # Milne gives 4:56:16.4 for Bogotá time in 1899; round to nearest. He writes, 1308 # "A variation of fifteen minutes in the public clocks of Bogota is not rare." 1309 1310 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1311 Rule CO 1992 only - May 3 0:00 1:00 S 1312 Rule CO 1993 only - Apr 4 0:00 0 - 1313 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1314 Zone America/Bogota -4:56:16 - LMT 1884 Mar 13 1315 -4:56:16 - BMT 1914 Nov 23 # Bogotá Mean Time 1316 -5:00 CO CO%sT # Colombia Time 1317 # Malpelo, Providencia, San Andres 1318 # no information; probably like America/Bogota 1319 1320 # Curaçao 1321 1322 # Milne gives 4:35:46.9 for Curaçao mean time; round to nearest. 1323 # 1324 # From Paul Eggert (2006-03-22): 1325 # Shanks & Pottenger say that The Bottom and Philipsburg have been at 1326 # -4:00 since standard time was introduced on 1912-03-02; and that 1327 # Kralendijk and Rincon used Kralendijk Mean Time (-4:33:08) from 1328 # 1912-02-02 to 1965-01-01. The former is dubious, since S&P also say 1329 # Saba Island has been like Curaçao. 1330 # This all predates our 1970 cutoff, though. 1331 # 1332 # By July 2007 Curaçao and St Maarten are planned to become 1333 # associated states within the Netherlands, much like Aruba; 1334 # Bonaire, Saba and St Eustatius would become directly part of the 1335 # Netherlands as Kingdom Islands. This won't affect their time zones 1336 # though, as far as we know. 1337 # 1338 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1339 Zone America/Curacao -4:35:47 - LMT 1912 Feb 12 # Willemstad 1340 -4:30 - ANT 1965 # Netherlands Antilles Time 1341 -4:00 - AST 1342 1343 # From Arthur David Olson (2011-06-15): 1344 # use links for places with new iso3166 codes. 1345 # The name "Lower Prince's Quarter" is both longer than fourteen characters 1346 # and contains an apostrophe; use "Lower_Princes" below. 1347 1348 Link America/Curacao America/Lower_Princes # Sint Maarten 1349 Link America/Curacao America/Kralendijk # Caribbean Netherlands 1350 1351 # Ecuador 1352 # 1353 # Milne says the Central and South American Telegraph Company used -5:24:15. 1354 # 1355 # From Paul Eggert (2007-03-04): 1356 # Apparently Ecuador had a failed experiment with DST in 1992. 1357 # <http://midena.gov.ec/content/view/1261/208/> (2007-02-27) and 1358 # <http://www.hoy.com.ec/NoticiaNue.asp?row_id=249856> (2006-11-06) both 1359 # talk about "hora Sixto". Leave this alone for now, as we have no data. 1360 # 1361 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1362 Zone America/Guayaquil -5:19:20 - LMT 1890 1363 -5:14:00 - QMT 1931 # Quito Mean Time 1364 -5:00 - ECT # Ecuador Time 1365 Zone Pacific/Galapagos -5:58:24 - LMT 1931 # Puerto Baquerizo Moreno 1366 -5:00 - ECT 1986 1367 -6:00 - GALT # Galápagos Time 1368 1369 # Falklands 1370 1371 # From Paul Eggert (2006-03-22): 1372 # Between 1990 and 2000 inclusive, Shanks & Pottenger and the IATA agree except 1373 # the IATA gives 1996-09-08. Go with Shanks & Pottenger. 1374 1375 # From Falkland Islands Government Office, London (2001-01-22) 1376 # via Jesper Nørgaard: 1377 # ... the clocks revert back to Local Mean Time at 2 am on Sunday 15 1378 # April 2001 and advance one hour to summer time at 2 am on Sunday 2 1379 # September. It is anticipated that the clocks will revert back at 2 1380 # am on Sunday 21 April 2002 and advance to summer time at 2 am on 1381 # Sunday 1 September. 1382 1383 # From Rives McDow (2001-02-13): 1384 # 1385 # I have communicated several times with people there, and the last 1386 # time I had communications that was helpful was in 1998. Here is 1387 # what was said then: 1388 # 1389 # "The general rule was that Stanley used daylight saving and the Camp 1390 # did not. However for various reasons many people in the Camp have 1391 # started to use daylight saving (known locally as 'Stanley Time') 1392 # There is no rule as to who uses daylight saving - it is a matter of 1393 # personal choice and so it is impossible to draw a map showing who 1394 # uses it and who does not. Any list would be out of date as soon as 1395 # it was produced. This year daylight saving ended on April 18/19th 1396 # and started again on September 12/13th. I do not know what the rule 1397 # is, but can find out if you like. We do not change at the same time 1398 # as UK or Chile." 1399 # 1400 # I did have in my notes that the rule was "Second Saturday in Sep at 1401 # 0:00 until third Saturday in Apr at 0:00". I think that this does 1402 # not agree in some cases with Shanks; is this true? 1403 # 1404 # Also, there is no mention in the list that some areas in the 1405 # Falklands do not use DST. I have found in my communications there 1406 # that these areas are on the western half of East Falkland and all of 1407 # West Falkland. Stanley is the only place that consistently observes 1408 # DST. Again, as in other places in the world, the farmers don't like 1409 # it. West Falkland is almost entirely sheep farmers. 1410 # 1411 # I know one lady there that keeps a list of which farm keeps DST and 1412 # which doesn't each year. She runs a shop in Stanley, and says that 1413 # the list changes each year. She uses it to communicate to her 1414 # customers, catching them when they are home for lunch or dinner. 1415 1416 # From Paul Eggert (2001-03-05): 1417 # For now, we'll just record the time in Stanley, since we have no 1418 # better info. 1419 1420 # From Steffen Thorsen (2011-04-01): 1421 # The Falkland Islands will not turn back clocks this winter, but stay on 1422 # daylight saving time. 1423 # 1424 # One source: 1425 # http://www.falklandnews.com/public/story.cfm?get=5914&source=3 1426 # 1427 # We have gotten this confirmed by a clerk of the legislative assembly: 1428 # Normally the clocks revert to Local Mean Time (UTC/GMT -4 hours) on the 1429 # third Sunday of April at 0200hrs and advance to Summer Time (UTC/GMT -3 1430 # hours) on the first Sunday of September at 0200hrs. 1431 # 1432 # IMPORTANT NOTE: During 2011, on a trial basis, the Falkland Islands 1433 # will not revert to local mean time, but clocks will remain on Summer 1434 # time (UTC/GMT - 3 hours) throughout the whole of 2011. Any long term 1435 # change to local time following the trial period will be notified. 1436 # 1437 # From Andrew Newman (2012-02-24) 1438 # A letter from Justin McPhee, Chief Executive, 1439 # Cable & Wireless Falkland Islands (dated 2012-02-22) 1440 # states... 1441 # The current Atlantic/Stanley entry under South America expects the 1442 # clocks to go back to standard Falklands Time (FKT) on the 15th April. 1443 # The database entry states that in 2011 Stanley was staying on fixed 1444 # summer time on a trial basis only. FIG need to contact IANA and/or 1445 # the maintainers of the database to inform them we're adopting 1446 # the same policy this year and suggest recommendations for future years. 1447 # 1448 # For now we will assume permanent summer time for the Falklands 1449 # until advised differently (to apply for 2012 and beyond, after the 2011 1450 # experiment was apparently successful.) 1451 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1452 Rule Falk 1937 1938 - Sep lastSun 0:00 1:00 S 1453 Rule Falk 1938 1942 - Mar Sun>=19 0:00 0 - 1454 Rule Falk 1939 only - Oct 1 0:00 1:00 S 1455 Rule Falk 1940 1942 - Sep lastSun 0:00 1:00 S 1456 Rule Falk 1943 only - Jan 1 0:00 0 - 1457 Rule Falk 1983 only - Sep lastSun 0:00 1:00 S 1458 Rule Falk 1984 1985 - Apr lastSun 0:00 0 - 1459 Rule Falk 1984 only - Sep 16 0:00 1:00 S 1460 Rule Falk 1985 2000 - Sep Sun>=9 0:00 1:00 S 1461 Rule Falk 1986 2000 - Apr Sun>=16 0:00 0 - 1462 Rule Falk 2001 2010 - Apr Sun>=15 2:00 0 - 1463 Rule Falk 2001 2010 - Sep Sun>=1 2:00 1:00 S 1464 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1465 Zone Atlantic/Stanley -3:51:24 - LMT 1890 1466 -3:51:24 - SMT 1912 Mar 12 # Stanley Mean Time 1467 -4:00 Falk FK%sT 1983 May # Falkland Is Time 1468 -3:00 Falk FK%sT 1985 Sep 15 1469 -4:00 Falk FK%sT 2010 Sep 5 2:00 1470 -3:00 - FKST 1471 1472 # French Guiana 1473 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1474 Zone America/Cayenne -3:29:20 - LMT 1911 Jul 1475 -4:00 - GFT 1967 Oct # French Guiana Time 1476 -3:00 - GFT 1477 1478 # Guyana 1479 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1480 Zone America/Guyana -3:52:40 - LMT 1915 Mar # Georgetown 1481 -3:45 - GBGT 1966 May 26 # Br Guiana Time 1482 -3:45 - GYT 1975 Jul 31 # Guyana Time 1483 -3:00 - GYT 1991 1484 # IATA SSIM (1996-06) says -4:00. Assume a 1991 switch. 1485 -4:00 - GYT 1486 1487 # Paraguay 1488 # 1489 # From Paul Eggert (2006-03-22): 1490 # Shanks & Pottenger say that spring transitions are 01:00 -> 02:00, 1491 # and autumn transitions are 00:00 -> 23:00. Go with pre-1999 1492 # editions of Shanks, and with the IATA, who say transitions occur at 00:00. 1493 # 1494 # From Waldemar Villamayor-Venialbo (2013-09-20): 1495 # No time of the day is established for the adjustment, so people normally 1496 # adjust their clocks at 0 hour of the given dates. 1497 # 1498 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1499 Rule Para 1975 1988 - Oct 1 0:00 1:00 S 1500 Rule Para 1975 1978 - Mar 1 0:00 0 - 1501 Rule Para 1979 1991 - Apr 1 0:00 0 - 1502 Rule Para 1989 only - Oct 22 0:00 1:00 S 1503 Rule Para 1990 only - Oct 1 0:00 1:00 S 1504 Rule Para 1991 only - Oct 6 0:00 1:00 S 1505 Rule Para 1992 only - Mar 1 0:00 0 - 1506 Rule Para 1992 only - Oct 5 0:00 1:00 S 1507 Rule Para 1993 only - Mar 31 0:00 0 - 1508 Rule Para 1993 1995 - Oct 1 0:00 1:00 S 1509 Rule Para 1994 1995 - Feb lastSun 0:00 0 - 1510 Rule Para 1996 only - Mar 1 0:00 0 - 1511 # IATA SSIM (2000-02) says 1999-10-10; ignore this for now. 1512 # From Steffen Thorsen (2000-10-02): 1513 # I have three independent reports that Paraguay changed to DST this Sunday 1514 # (10-01). 1515 # 1516 # Translated by Gwillim Law (2001-02-27) from 1517 # Noticias, a daily paper in Asunción, Paraguay (2000-10-01): 1518 # http://www.diarionoticias.com.py/011000/nacional/naciona1.htm 1519 # Starting at 0:00 today, the clock will be set forward 60 minutes, in 1520 # fulfillment of Decree No. 7,273 of the Executive Power.... The time change 1521 # system has been operating for several years. Formerly there was a separate 1522 # decree each year; the new law has the same effect, but permanently. Every 1523 # year, the time will change on the first Sunday of October; likewise, the 1524 # clock will be set back on the first Sunday of March. 1525 # 1526 Rule Para 1996 2001 - Oct Sun>=1 0:00 1:00 S 1527 # IATA SSIM (1997-09) says Mar 1; go with Shanks & Pottenger. 1528 Rule Para 1997 only - Feb lastSun 0:00 0 - 1529 # Shanks & Pottenger say 1999-02-28; IATA SSIM (1999-02) says 1999-02-27, but 1530 # (1999-09) reports no date; go with above sources and Gerd Knops (2001-02-27). 1531 Rule Para 1998 2001 - Mar Sun>=1 0:00 0 - 1532 # From Rives McDow (2002-02-28): 1533 # A decree was issued in Paraguay (no. 16350) on 2002-02-26 that changed the 1534 # dst method to be from the first Sunday in September to the first Sunday in 1535 # April. 1536 Rule Para 2002 2004 - Apr Sun>=1 0:00 0 - 1537 Rule Para 2002 2003 - Sep Sun>=1 0:00 1:00 S 1538 # 1539 # From Jesper Nørgaard Welen (2005-01-02): 1540 # There are several sources that claim that Paraguay made 1541 # a timezone rule change in autumn 2004. 1542 # From Steffen Thorsen (2005-01-05): 1543 # Decree 1,867 (2004-03-05) 1544 # From Carlos Raúl Perasso via Jesper Nørgaard Welen (2006-10-13) 1545 # http://www.presidencia.gov.py/decretos/D1867.pdf 1546 Rule Para 2004 2009 - Oct Sun>=15 0:00 1:00 S 1547 Rule Para 2005 2009 - Mar Sun>=8 0:00 0 - 1548 # From Carlos Raúl Perasso (2010-02-18): 1549 # By decree number 3958 issued yesterday 1550 # http://www.presidencia.gov.py/v1/wp-content/uploads/2010/02/decreto3958.pdf 1551 # Paraguay changes its DST schedule, postponing the March rule to April and 1552 # modifying the October date. The decree reads: 1553 # ... 1554 # Art. 1. It is hereby established that from the second Sunday of the month of 1555 # April of this year (2010), the official time is to be set back 60 minutes, 1556 # and that on the first Sunday of the month of October, it is to be set 1557 # forward 60 minutes, in all the territory of the Paraguayan Republic. 1558 # ... 1559 Rule Para 2010 max - Oct Sun>=1 0:00 1:00 S 1560 Rule Para 2010 2012 - Apr Sun>=8 0:00 0 - 1561 # 1562 # From Steffen Thorsen (2013-03-07): 1563 # Paraguay will end DST on 2013-03-24 00:00.... 1564 # http://www.ande.gov.py/interna.php?id=1075 1565 # 1566 # From Carlos Raúl Perasso (2013-03-15): 1567 # The change in Paraguay is now final. Decree number 10780 1568 # http://www.presidencia.gov.py/uploads/pdf/presidencia-3b86ff4b691c79d4f5927ca964922ec74772ce857c02ca054a52a37b49afc7fb.pdf 1569 # From Carlos Raúl Perasso (2014-02-28): 1570 # Decree 1264 can be found at: 1571 # http://www.presidencia.gov.py/archivos/documentos/DECRETO1264_ey9r8zai.pdf 1572 Rule Para 2013 max - Mar Sun>=22 0:00 0 - 1573 1574 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1575 Zone America/Asuncion -3:50:40 - LMT 1890 1576 -3:50:40 - AMT 1931 Oct 10 # Asunción Mean Time 1577 -4:00 - PYT 1972 Oct # Paraguay Time 1578 -3:00 - PYT 1974 Apr 1579 -4:00 Para PY%sT 1580 1581 # Peru 1582 # 1583 # From Evelyn C. Leeper via Mark Brader (2003-10-26) 1584 # <news:xrGmb.39935$gA1.13896113@news4.srv.hcvlny.cv.net>: 1585 # When we were in Peru in 1985-1986, they apparently switched over 1586 # sometime between December 29 and January 3 while we were on the Amazon. 1587 # 1588 # From Paul Eggert (2006-03-22): 1589 # Shanks & Pottenger don't have this transition. Assume 1986 was like 1987. 1590 1591 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1592 Rule Peru 1938 only - Jan 1 0:00 1:00 S 1593 Rule Peru 1938 only - Apr 1 0:00 0 - 1594 Rule Peru 1938 1939 - Sep lastSun 0:00 1:00 S 1595 Rule Peru 1939 1940 - Mar Sun>=24 0:00 0 - 1596 Rule Peru 1986 1987 - Jan 1 0:00 1:00 S 1597 Rule Peru 1986 1987 - Apr 1 0:00 0 - 1598 Rule Peru 1990 only - Jan 1 0:00 1:00 S 1599 Rule Peru 1990 only - Apr 1 0:00 0 - 1600 # IATA is ambiguous for 1993/1995; go with Shanks & Pottenger. 1601 Rule Peru 1994 only - Jan 1 0:00 1:00 S 1602 Rule Peru 1994 only - Apr 1 0:00 0 - 1603 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1604 Zone America/Lima -5:08:12 - LMT 1890 1605 -5:08:36 - LMT 1908 Jul 28 # Lima Mean Time? 1606 -5:00 Peru PE%sT # Peru Time 1607 1608 # South Georgia 1609 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1610 Zone Atlantic/South_Georgia -2:26:08 - LMT 1890 # Grytviken 1611 -2:00 - GST # South Georgia Time 1612 1613 # South Sandwich Is 1614 # uninhabited; scientific personnel have wintered 1615 1616 # Suriname 1617 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1618 Zone America/Paramaribo -3:40:40 - LMT 1911 1619 -3:40:52 - PMT 1935 # Paramaribo Mean Time 1620 -3:40:36 - PMT 1945 Oct # The capital moved? 1621 -3:30 - NEGT 1975 Nov 20 # Dutch Guiana Time 1622 -3:30 - SRT 1984 Oct # Suriname Time 1623 -3:00 - SRT 1624 1625 # Trinidad and Tobago 1626 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1627 Zone America/Port_of_Spain -4:06:04 - LMT 1912 Mar 2 1628 -4:00 - AST 1629 1630 # These all agree with Trinidad and Tobago since 1970. 1631 Link America/Port_of_Spain America/Anguilla 1632 Link America/Port_of_Spain America/Antigua 1633 Link America/Port_of_Spain America/Dominica 1634 Link America/Port_of_Spain America/Grenada 1635 Link America/Port_of_Spain America/Guadeloupe 1636 Link America/Port_of_Spain America/Marigot # St Martin (French part) 1637 Link America/Port_of_Spain America/Montserrat 1638 Link America/Port_of_Spain America/St_Barthelemy # St Barthélemy 1639 Link America/Port_of_Spain America/St_Kitts # St Kitts & Nevis 1640 Link America/Port_of_Spain America/St_Lucia 1641 Link America/Port_of_Spain America/St_Thomas # Virgin Islands (US) 1642 Link America/Port_of_Spain America/St_Vincent 1643 Link America/Port_of_Spain America/Tortola # Virgin Islands (UK) 1644 1645 # Uruguay 1646 # From Paul Eggert (1993-11-18): 1647 # Uruguay wins the prize for the strangest peacetime manipulation of the rules. 1648 # From Shanks & Pottenger: 1649 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1650 # Whitman gives 1923 Oct 1; go with Shanks & Pottenger. 1651 Rule Uruguay 1923 only - Oct 2 0:00 0:30 HS 1652 Rule Uruguay 1924 1926 - Apr 1 0:00 0 - 1653 Rule Uruguay 1924 1925 - Oct 1 0:00 0:30 HS 1654 Rule Uruguay 1933 1935 - Oct lastSun 0:00 0:30 HS 1655 # Shanks & Pottenger give 1935 Apr 1 0:00 & 1936 Mar 30 0:00; go with Whitman. 1656 Rule Uruguay 1934 1936 - Mar Sat>=25 23:30s 0 - 1657 Rule Uruguay 1936 only - Nov 1 0:00 0:30 HS 1658 Rule Uruguay 1937 1941 - Mar lastSun 0:00 0 - 1659 # Whitman gives 1937 Oct 3; go with Shanks & Pottenger. 1660 Rule Uruguay 1937 1940 - Oct lastSun 0:00 0:30 HS 1661 # Whitman gives 1941 Oct 24 - 1942 Mar 27, 1942 Dec 14 - 1943 Apr 13, 1662 # and 1943 Apr 13 "to present time"; go with Shanks & Pottenger. 1663 Rule Uruguay 1941 only - Aug 1 0:00 0:30 HS 1664 Rule Uruguay 1942 only - Jan 1 0:00 0 - 1665 Rule Uruguay 1942 only - Dec 14 0:00 1:00 S 1666 Rule Uruguay 1943 only - Mar 14 0:00 0 - 1667 Rule Uruguay 1959 only - May 24 0:00 1:00 S 1668 Rule Uruguay 1959 only - Nov 15 0:00 0 - 1669 Rule Uruguay 1960 only - Jan 17 0:00 1:00 S 1670 Rule Uruguay 1960 only - Mar 6 0:00 0 - 1671 Rule Uruguay 1965 1967 - Apr Sun>=1 0:00 1:00 S 1672 Rule Uruguay 1965 only - Sep 26 0:00 0 - 1673 Rule Uruguay 1966 1967 - Oct 31 0:00 0 - 1674 Rule Uruguay 1968 1970 - May 27 0:00 0:30 HS 1675 Rule Uruguay 1968 1970 - Dec 2 0:00 0 - 1676 Rule Uruguay 1972 only - Apr 24 0:00 1:00 S 1677 Rule Uruguay 1972 only - Aug 15 0:00 0 - 1678 Rule Uruguay 1974 only - Mar 10 0:00 0:30 HS 1679 Rule Uruguay 1974 only - Dec 22 0:00 1:00 S 1680 Rule Uruguay 1976 only - Oct 1 0:00 0 - 1681 Rule Uruguay 1977 only - Dec 4 0:00 1:00 S 1682 Rule Uruguay 1978 only - Apr 1 0:00 0 - 1683 Rule Uruguay 1979 only - Oct 1 0:00 1:00 S 1684 Rule Uruguay 1980 only - May 1 0:00 0 - 1685 Rule Uruguay 1987 only - Dec 14 0:00 1:00 S 1686 Rule Uruguay 1988 only - Mar 14 0:00 0 - 1687 Rule Uruguay 1988 only - Dec 11 0:00 1:00 S 1688 Rule Uruguay 1989 only - Mar 12 0:00 0 - 1689 Rule Uruguay 1989 only - Oct 29 0:00 1:00 S 1690 # Shanks & Pottenger say no DST was observed in 1990/1 and 1991/2, 1691 # and that 1992/3's DST was from 10-25 to 03-01. Go with IATA. 1692 Rule Uruguay 1990 1992 - Mar Sun>=1 0:00 0 - 1693 Rule Uruguay 1990 1991 - Oct Sun>=21 0:00 1:00 S 1694 Rule Uruguay 1992 only - Oct 18 0:00 1:00 S 1695 Rule Uruguay 1993 only - Feb 28 0:00 0 - 1696 # From Eduardo Cota (2004-09-20): 1697 # The Uruguayan government has decreed a change in the local time.... 1698 # http://www.presidencia.gub.uy/decretos/2004091502.htm 1699 Rule Uruguay 2004 only - Sep 19 0:00 1:00 S 1700 # From Steffen Thorsen (2005-03-11): 1701 # Uruguay's DST was scheduled to end on Sunday, 2005-03-13, but in order to 1702 # save energy ... it was postponed two weeks.... 1703 # http://www.presidencia.gub.uy/_Web/noticias/2005/03/2005031005.htm 1704 Rule Uruguay 2005 only - Mar 27 2:00 0 - 1705 # From Eduardo Cota (2005-09-27): 1706 # http://www.presidencia.gub.uy/_Web/decretos/2005/09/CM%20119_09%2009%202005_00001.PDF 1707 # This means that from 2005-10-09 at 02:00 local time, until 2006-03-12 at 1708 # 02:00 local time, official time in Uruguay will be at GMT -2. 1709 Rule Uruguay 2005 only - Oct 9 2:00 1:00 S 1710 Rule Uruguay 2006 only - Mar 12 2:00 0 - 1711 # From Jesper Nørgaard Welen (2006-09-06): 1712 # http://www.presidencia.gub.uy/_web/decretos/2006/09/CM%20210_08%2006%202006_00001.PDF 1713 Rule Uruguay 2006 max - Oct Sun>=1 2:00 1:00 S 1714 Rule Uruguay 2007 max - Mar Sun>=8 2:00 0 - 1715 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1716 Zone America/Montevideo -3:44:44 - LMT 1898 Jun 28 1717 -3:44:44 - MMT 1920 May 1 # Montevideo MT 1718 -3:30 Uruguay UY%sT 1942 Dec 14 # Uruguay Time 1719 -3:00 Uruguay UY%sT 1720 1721 # Venezuela 1722 # 1723 # From John Stainforth (2007-11-28): 1724 # ... the change for Venezuela originally expected for 2007-12-31 has 1725 # been brought forward to 2007-12-09. The official announcement was 1726 # published today in the "Gaceta Oficial de la República Bolivariana 1727 # de Venezuela, número 38.819" (official document for all laws or 1728 # resolution publication) 1729 # http://www.globovision.com/news.php?nid=72208 1730 1731 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1732 Zone America/Caracas -4:27:44 - LMT 1890 1733 -4:27:40 - CMT 1912 Feb 12 # Caracas Mean Time? 1734 -4:30 - VET 1965 # Venezuela Time 1735 -4:00 - VET 2007 Dec 9 3:00 1736 -4:30 - VET