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. 7 # 8 # This code is distributed in the hope that it will be useful, but WITHOUT 9 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 # version 2 for more details (a copy is included in the LICENSE file that 12 # accompanied this code). 13 # 14 # You should have received a copy of the GNU General Public License version 15 # 2 along with this work; if not, write to the Free Software Foundation, 16 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 # 18 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 # or visit www.oracle.com if you need additional information or have any 20 # questions. 21 # 22 # tzdb data for Antarctica and environs 23 24 # This file is in the public domain, so clarified as of 25 # 2009-05-17 by Arthur David Olson. 26 27 # From Paul Eggert (1999-11-15): 28 # To keep things manageable, we list only locations occupied year-round; see 29 # COMNAP - Stations and Bases 30 # http://www.comnap.aq/comnap/comnap.nsf/P/Stations/ 31 # and 32 # Summary of the Peri-Antarctic Islands (1998-07-23) 33 # http://www.spri.cam.ac.uk/bob/periant.htm 34 # for information. 35 # Unless otherwise specified, we have no time zone information. 36 37 # FORMAT is '-00' and GMTOFF is 0 for locations while uninhabited. 38 39 # Argentina - year-round bases 40 # Belgrano II, Confin Coast, -770227-0343737, since 1972-02-05 41 # Carlini, Potter Cove, King George Island, -6414-0602320, since 1982-01 42 # Esperanza, Hope Bay, -6323-05659, since 1952-12-17 43 # Marambio, -6414-05637, since 1969-10-29 44 # Orcadas, Laurie I, -6016-04444, since 1904-02-22 45 # San Martín, Barry I, -6808-06706, since 1951-03-21 46 # (except 1960-03 / 1976-03-21) 47 48 # Australia - territories 49 # Heard Island, McDonald Islands (uninhabited) 50 # previously sealers and scientific personnel wintered 51 # Margaret Turner reports 52 # https://web.archive.org/web/20021204222245/http://www.dstc.qut.edu.au/DST/marg/daylight.html 53 # (1999-09-30) that they're UT +05, with no DST; 54 # presumably this is when they have visitors. 55 # 56 # year-round bases 57 # Casey, Bailey Peninsula, -6617+11032, since 1969 58 # Davis, Vestfold Hills, -6835+07759, since 1957-01-13 59 # (except 1964-11 - 1969-02) 60 # Mawson, Holme Bay, -6736+06253, since 1954-02-13 61 62 # From Steffen Thorsen (2009-03-11): 63 # Three Australian stations in Antarctica have changed their time zone: 64 # Casey moved from UTC+8 to UTC+11 65 # Davis moved from UTC+7 to UTC+5 66 # Mawson moved from UTC+6 to UTC+5 67 # The changes occurred on 2009-10-18 at 02:00 (local times). 68 # 69 # Government source: (Australian Antarctic Division) 70 # http://www.aad.gov.au/default.asp?casid=37079 71 # 72 # We have more background information here: 73 # https://www.timeanddate.com/news/time/antarctica-new-times.html 74 75 # From Steffen Thorsen (2010-03-10): 76 # We got these changes from the Australian Antarctic Division: ... 77 # 78 # - Casey station reverted to its normal time of UTC+8 on 5 March 2010. 79 # The change to UTC+11 is being considered as a regular summer thing but 80 # has not been decided yet. 81 # 82 # - Davis station will revert to its normal time of UTC+7 at 10 March 2010 83 # 20:00 UTC. 84 # 85 # - Mawson station stays on UTC+5. 86 # 87 # Background: 88 # https://www.timeanddate.com/news/time/antartica-time-changes-2010.html 89 90 # From Steffen Thorsen (2016-10-28): 91 # Australian Antarctica Division informed us that Casey changed time 92 # zone to UTC+11 in "the morning of 22nd October 2016". 93 94 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 95 Zone Antarctica/Casey 0 - -00 1969 96 8:00 - +08 2009 Oct 18 2:00 97 11:00 - +11 2010 Mar 5 2:00 98 8:00 - +08 2011 Oct 28 2:00 99 11:00 - +11 2012 Feb 21 17:00u 100 8:00 - +08 2016 Oct 22 101 11:00 - +11 2018 Mar 11 4:00 102 8:00 - +08 103 Zone Antarctica/Davis 0 - -00 1957 Jan 13 104 7:00 - +07 1964 Nov 105 0 - -00 1969 Feb 106 7:00 - +07 2009 Oct 18 2:00 107 5:00 - +05 2010 Mar 10 20:00u 108 7:00 - +07 2011 Oct 28 2:00 109 5:00 - +05 2012 Feb 21 20:00u 110 7:00 - +07 111 Zone Antarctica/Mawson 0 - -00 1954 Feb 13 112 6:00 - +06 2009 Oct 18 2:00 113 5:00 - +05 114 # References: 115 # Casey Weather (1998-02-26) 116 # http://www.antdiv.gov.au/aad/exop/sfo/casey/casey_aws.html 117 # Davis Station, Antarctica (1998-02-26) 118 # http://www.antdiv.gov.au/aad/exop/sfo/davis/video.html 119 # Mawson Station, Antarctica (1998-02-25) 120 # http://www.antdiv.gov.au/aad/exop/sfo/mawson/video.html 121 122 # Belgium - year-round base 123 # Princess Elisabeth, Queen Maud Land, -713412+0231200, since 2007 124 125 # Brazil - year-round base 126 # Ferraz, King George Island, -6205+05824, since 1983/4 127 128 # Bulgaria - year-round base 129 # St. Kliment Ohridski, Livingston Island, -623829-0602153, since 1988 130 131 # Chile - year-round bases and towns 132 # Escudero, South Shetland Is, -621157-0585735, since 1994 133 # Frei Montalva, King George Island, -6214-05848, since 1969-03-07 134 # O'Higgins, Antarctic Peninsula, -6319-05704, since 1948-02 135 # Prat, -6230-05941 136 # Villa Las Estrellas (a town), around the Frei base, since 1984-04-09 137 # These locations employ Region of Magallanes time; use 138 # TZ='America/Punta_Arenas'. 139 140 # China - year-round bases 141 # Great Wall, King George Island, -6213-05858, since 1985-02-20 142 # Zhongshan, Larsemann Hills, Prydz Bay, -6922+07623, since 1989-02-26 143 144 # France - year-round bases (also see "France & Italy") 145 # 146 # From Antoine Leca (1997-01-20): 147 # Time data entries are from Nicole Pailleau at the IFRTP 148 # (French Institute for Polar Research and Technology). 149 # She confirms that French Southern Territories and Terre Adélie bases 150 # don't observe daylight saving time, even if Terre Adélie supplies came 151 # from Tasmania. 152 # 153 # French Southern Territories with year-round inhabitants 154 # 155 # Alfred Faure, Possession Island, Crozet Islands, -462551+0515152, since 1964; 156 # sealing & whaling stations operated variously 1802/1911+; 157 # see Indian/Reunion. 158 # 159 # Martin-de-Viviès, Amsterdam Island, -374105+0773155, since 1950 160 # Port-aux-Français, Kerguelen Islands, -492110+0701303, since 1951; 161 # whaling & sealing station operated 1908/1914, 1920/1929, and 1951/1956 162 # 163 # St Paul Island - near Amsterdam, uninhabited 164 # fishing stations operated variously 1819/1931 165 # 166 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 167 Zone Indian/Kerguelen 0 - -00 1950 # Port-aux-Français 168 5:00 - +05 169 # 170 # year-round base in the main continent 171 # Dumont d'Urville, Île des Pétrels, -6640+14001, since 1956-11 172 # <https://en.wikipedia.org/wiki/Dumont_d'Urville_Station> (2005-12-05) 173 # 174 # Another base at Port-Martin, 50km east, began operation in 1947. 175 # It was destroyed by fire on 1952-01-14. 176 # 177 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 178 Zone Antarctica/DumontDUrville 0 - -00 1947 179 10:00 - +10 1952 Jan 14 180 0 - -00 1956 Nov 181 10:00 - +10 182 183 # France & Italy - year-round base 184 # Concordia, -750600+1232000, since 2005 185 186 # Germany - year-round base 187 # Neumayer III, -704080-0081602, since 2009 188 189 # India - year-round bases 190 # Bharati, -692428+0761114, since 2012 191 # Maitri, -704558+0114356, since 1989 192 193 # Italy - year-round base (also see "France & Italy") 194 # Zuchelli, Terra Nova Bay, -744140+1640647, since 1986 195 196 # Japan - year-round bases 197 # Syowa (also known as Showa), -690022+0393524, since 1957 198 # 199 # From Hideyuki Suzuki (1999-02-06): 200 # In all Japanese stations, +0300 is used as the standard time. 201 # 202 # Syowa station, which is the first antarctic station of Japan, 203 # was established on 1957-01-29. Since Syowa station is still the main 204 # station of Japan, it's appropriate for the principal location. 205 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 206 Zone Antarctica/Syowa 0 - -00 1957 Jan 29 207 3:00 - +03 208 # See: 209 # NIPR Antarctic Research Activities (1999-08-17) 210 # http://www.nipr.ac.jp/english/ara01.html 211 212 # S Korea - year-round base 213 # Jang Bogo, Terra Nova Bay, -743700+1641205 since 2014 214 # King Sejong, King George Island, -6213-05847, since 1988 215 216 # New Zealand - claims 217 # Balleny Islands (never inhabited) 218 # Scott Island (never inhabited) 219 # 220 # year-round base 221 # Scott Base, Ross Island, since 1957-01. 222 # See Pacific/Auckland. 223 224 # Norway - territories 225 # Bouvet (never inhabited) 226 # 227 # claims 228 # Peter I Island (never inhabited) 229 # 230 # year-round base 231 # Troll, Queen Maud Land, -720041+0023206, since 2005-02-12 232 # 233 # From Paul-Inge Flakstad (2014-03-10): 234 # I recently had a long dialog about this with the developer of timegenie.com. 235 # In the absence of specific dates, he decided to choose some likely ones: 236 # GMT +1 - From March 1 to the last Sunday in March 237 # GMT +2 - From the last Sunday in March until the last Sunday in October 238 # GMT +1 - From the last Sunday in October until November 7 239 # GMT +0 - From November 7 until March 1 240 # The dates for switching to and from UTC+0 will probably not be absolutely 241 # correct, but they should be quite close to the actual dates. 242 # 243 # From Paul Eggert (2014-03-21): 244 # The CET-switching Troll rules require zic from tz 2014b or later, so as 245 # suggested by Bengt-Inge Larsson comment them out for now, and approximate 246 # with only UTC and CEST. Uncomment them when 2014b is more prevalent. 247 # 248 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 249 #Rule Troll 2005 max - Mar 1 1:00u 1:00 +01 250 Rule Troll 2005 max - Mar lastSun 1:00u 2:00 +02 251 #Rule Troll 2005 max - Oct lastSun 1:00u 1:00 +01 252 #Rule Troll 2004 max - Nov 7 1:00u 0:00 +00 253 # Remove the following line when uncommenting the above '#Rule' lines. 254 Rule Troll 2004 max - Oct lastSun 1:00u 0:00 +00 255 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 256 Zone Antarctica/Troll 0 - -00 2005 Feb 12 257 0:00 Troll %s 258 259 # Poland - year-round base 260 # Arctowski, King George Island, -620945-0582745, since 1977 261 262 # Romania - year-bound base 263 # Law-Racoviță, Larsemann Hills, -692319+0762251, since 1986 264 265 # Russia - year-round bases 266 # Bellingshausen, King George Island, -621159-0585337, since 1968-02-22 267 # Mirny, Davis coast, -6633+09301, since 1956-02 268 # Molodezhnaya, Alasheyev Bay, -6740+04551, 269 # year-round from 1962-02 to 1999-07-01 270 # Novolazarevskaya, Queen Maud Land, -7046+01150, 271 # year-round from 1960/61 to 1992 272 273 # Vostok, since 1957-12-16, temporarily closed 1994-02/1994-11 274 # From Craig Mundell (1994-12-15): 275 # http://quest.arc.nasa.gov/antarctica/QA/computers/Directions,Time,ZIP 276 # Vostok, which is one of the Russian stations, is set on the same 277 # time as Moscow, Russia. 278 # 279 # From Lee Hotz (2001-03-08): 280 # I queried the folks at Columbia who spent the summer at Vostok and this is 281 # what they had to say about time there: 282 # "in the US Camp (East Camp) we have been on New Zealand (McMurdo) 283 # time, which is 12 hours ahead of GMT. The Russian Station Vostok was 284 # 6 hours behind that (although only 2 miles away, i.e. 6 hours ahead 285 # of GMT). This is a time zone I think two hours east of Moscow. The 286 # natural time zone is in between the two: 8 hours ahead of GMT." 287 # 288 # From Paul Eggert (2001-05-04): 289 # This seems to be hopelessly confusing, so I asked Lee Hotz about it 290 # in person. He said that some Antarctic locations set their local 291 # time so that noon is the warmest part of the day, and that this 292 # changes during the year and does not necessarily correspond to mean 293 # solar noon. So the Vostok time might have been whatever the clocks 294 # happened to be during their visit. So we still don't really know what time 295 # it is at Vostok. But we'll guess +06. 296 # 297 Zone Antarctica/Vostok 0 - -00 1957 Dec 16 298 6:00 - +06 299 300 # S Africa - year-round bases 301 # Marion Island, -4653+03752 302 # SANAE IV, Vesleskarvet, Queen Maud Land, -714022-0025026, since 1997 303 304 # Ukraine - year-round base 305 # Vernadsky (formerly Faraday), Galindez Island, -651445-0641526, since 1954 306 307 # United Kingdom 308 # 309 # British Antarctic Territories (BAT) claims 310 # South Orkney Islands 311 # scientific station from 1903 312 # whaling station at Signy I 1920/1926 313 # South Shetland Islands 314 # 315 # year-round bases 316 # Bird Island, South Georgia, -5400-03803, since 1983 317 # Deception Island, -6259-06034, whaling station 1912/1931, 318 # scientific station 1943/1967, 319 # previously sealers and a scientific expedition wintered by accident, 320 # and a garrison was deployed briefly 321 # Halley, Coates Land, -7535-02604, since 1956-01-06 322 # Halley is on a moving ice shelf and is periodically relocated 323 # so that it is never more than 10km from its nominal location. 324 # Rothera, Adelaide Island, -6734-6808, since 1976-12-01 325 # 326 # From Paul Eggert (2002-10-22) 327 # <http://webexhibits.org/daylightsaving/g.html> says Rothera is -03 all year. 328 # 329 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 330 Zone Antarctica/Rothera 0 - -00 1976 Dec 1 331 -3:00 - -03 332 333 # Uruguay - year round base 334 # Artigas, King George Island, -621104-0585107 335 336 # USA - year-round bases 337 # 338 # Palmer, Anvers Island, since 1965 (moved 2 miles in 1968) 339 # See 'southamerica' for Antarctica/Palmer, since it uses South American DST. 340 # 341 # McMurdo Station, Ross Island, since 1955-12 342 # Amundsen-Scott South Pole Station, continuously occupied since 1956-11-20 343 # 344 # From Chris Carrier (1996-06-27): 345 # Siple, the first commander of the South Pole station, 346 # stated that he would have liked to have kept GMT at the station, 347 # but that he found it more convenient to keep GMT+12 348 # as supplies for the station were coming from McMurdo Sound, 349 # which was on GMT+12 because New Zealand was on GMT+12 all year 350 # at that time (1957). (Source: Siple's book 90 Degrees South.) 351 # 352 # From Susan Smith 353 # http://www.cybertours.com/whs/pole10.html 354 # (1995-11-13 16:24:56 +1300, no longer available): 355 # We use the same time as McMurdo does. 356 # And they use the same time as Christchurch, NZ does.... 357 # One last quirk about South Pole time. 358 # All the electric clocks are usually wrong. 359 # Something about the generators running at 60.1hertz or something 360 # makes all of the clocks run fast. So every couple of days, 361 # we have to go around and set them back 5 minutes or so. 362 # Maybe if we let them run fast all of the time, we'd get to leave here sooner!! 363 # 364 # See 'australasia' for Antarctica/McMurdo.