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 (2013-02-21):
  33 #
  34 # A good source for time zone historical data outside the U.S. is
  35 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
  36 # San Diego: ACS Publications, Inc. (2003).
  37 #
  38 # Gwillim Law writes that a good source
  39 # for recent time zone data is the International Air Transport
  40 # Association's Standard Schedules Information Manual (IATA SSIM),
  41 # published semiannually.  Law sent in several helpful summaries
  42 # of the IATA's data after 1990.
  43 #
  44 # Except where otherwise noted, Shanks & Pottenger is the source for
  45 # entries through 1990, and IATA SSIM is the source for entries afterwards.
  46 #
  47 # Another source occasionally used is Edward W. Whitman, World Time Differences,
  48 # Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
  49 # I found in the UCLA library.
  50 #
  51 # For data circa 1899, a common source is:
  52 # Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94.
  53 # http://www.jstor.org/stable/1774359
  54 #
  55 # A reliable and entertaining source about time zones is
  56 # Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
  57 #
  58 # Previous editions of this database used WAT, CAT, SAT, and EAT
  59 # for +0:00 through +3:00, respectively,
  60 # but Mark R V Murray reports that
  61 # 'SAST' is the official abbreviation for +2:00 in the country of South Africa,
  62 # 'CAT' is commonly used for +2:00 in countries north of South Africa, and
  63 # 'WAT' is probably the best name for +1:00, as the common phrase for
  64 # the area that includes Nigeria is "West Africa".
  65 # He has heard of "Western Sahara Time" for +0:00 but can find no reference.
  66 #
  67 # To make things confusing, 'WAT' seems to have been used for -1:00 long ago;
  68 # I'd guess that this was because people needed _some_ name for -1:00,
  69 # and at the time, far west Africa was the only major land area in -1:00.
  70 # This usage is now obsolete, as the last use of -1:00 on the African
  71 # mainland seems to have been 1976 in Western Sahara.
  72 #
  73 # To summarize, the following abbreviations seem to have some currency:
  74 #       -1:00   WAT     West Africa Time (no longer used)
  75 #        0:00   GMT     Greenwich Mean Time
  76 #        2:00   CAT     Central Africa Time
  77 #        2:00   SAST    South Africa Standard Time
  78 # and Murray suggests the following abbreviation:
  79 #        1:00   WAT     West Africa Time
  80 # I realize that this leads to 'WAT' being used for both -1:00 and 1:00
  81 # for times before 1976, but this is the best I can think of
  82 # until we get more information.
  83 #
  84 # I invented the following abbreviations; corrections are welcome!
  85 #        2:00   WAST    West Africa Summer Time
  86 #        2:30   BEAT    British East Africa Time (no longer used)
  87 #        2:45   BEAUT   British East Africa Unified Time (no longer used)
  88 #        3:00   CAST    Central Africa Summer Time (no longer used)
  89 #        3:00   SAST    South Africa Summer Time (no longer used)
  90 #        3:00   EAT     East Africa Time
  91 #        4:00   EAST    East Africa Summer Time (no longer used)
  92 
  93 # Algeria
  94 # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
  95 Rule    Algeria 1916    only    -       Jun     14      23:00s  1:00    S
  96 Rule    Algeria 1916    1919    -       Oct     Sun>=1       23:00s  0       -
  97 Rule    Algeria 1917    only    -       Mar     24      23:00s  1:00    S
  98 Rule    Algeria 1918    only    -       Mar      9      23:00s  1:00    S
  99 Rule    Algeria 1919    only    -       Mar      1      23:00s  1:00    S
 100 Rule    Algeria 1920    only    -       Feb     14      23:00s  1:00    S
 101 Rule    Algeria 1920    only    -       Oct     23      23:00s  0       -
 102 Rule    Algeria 1921    only    -       Mar     14      23:00s  1:00    S
 103 Rule    Algeria 1921    only    -       Jun     21      23:00s  0       -
 104 Rule    Algeria 1939    only    -       Sep     11      23:00s  1:00    S
 105 Rule    Algeria 1939    only    -       Nov     19       1:00   0       -
 106 Rule    Algeria 1944    1945    -       Apr     Mon>=1        2:00   1:00    S
 107 Rule    Algeria 1944    only    -       Oct      8       2:00   0       -
 108 Rule    Algeria 1945    only    -       Sep     16       1:00   0       -
 109 Rule    Algeria 1971    only    -       Apr     25      23:00s  1:00    S
 110 Rule    Algeria 1971    only    -       Sep     26      23:00s  0       -
 111 Rule    Algeria 1977    only    -       May      6       0:00   1:00    S
 112 Rule    Algeria 1977    only    -       Oct     21       0:00   0       -
 113 Rule    Algeria 1978    only    -       Mar     24       1:00   1:00    S
 114 Rule    Algeria 1978    only    -       Sep     22       3:00   0       -
 115 Rule    Algeria 1980    only    -       Apr     25       0:00   1:00    S
 116 Rule    Algeria 1980    only    -       Oct     31       2:00   0       -
 117 # Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's
 118 # more precise 0:09:21.
 119 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 120 Zone    Africa/Algiers  0:12:12 -       LMT     1891 Mar 15  0:01
 121                         0:09:21 -       PMT     1911 Mar 11 # Paris Mean Time
 122                         0:00    Algeria WE%sT   1940 Feb 25  2:00
 123                         1:00    Algeria CE%sT   1946 Oct  7
 124                         0:00    -       WET     1956 Jan 29
 125                         1:00    -       CET     1963 Apr 14
 126                         0:00    Algeria WE%sT   1977 Oct 21
 127                         1:00    Algeria CE%sT   1979 Oct 26
 128                         0:00    Algeria WE%sT   1981 May
 129                         1:00    -       CET
 130 
 131 # Angola
 132 # Benin
 133 # See Africa/Lagos.
 134 
 135 # Botswana
 136 # From Paul Eggert (2013-02-21):
 137 # Milne says they were regulated by the Cape Town Signal in 1899;
 138 # assume they switched to 2:00 when Cape Town did.
 139 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 140 Zone    Africa/Gaborone 1:43:40 -       LMT     1885
 141                         1:30    -       SAST    1903 Mar
 142                         2:00    -       CAT     1943 Sep 19  2:00
 143                         2:00    1:00    CAST    1944 Mar 19  2:00
 144                         2:00    -       CAT
 145 
 146 # Burkina Faso
 147 # See Africa/Abidjan.
 148 
 149 # Burundi
 150 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 151 Zone Africa/Bujumbura   1:57:28 -       LMT     1890
 152                         2:00    -       CAT
 153 
 154 # Cameroon
 155 # See Africa/Lagos.
 156 
 157 # Cape Verde
 158 #
 159 # Shanks gives 1907 for the transition to CVT.
 160 # Perhaps the 1911-05-26 Portuguese decree
 161 # http://dre.pt/pdf1sdip/1911/05/12500/23132313.pdf
 162 # merely made it official?
 163 #
 164 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 165 Zone Atlantic/Cape_Verde -1:34:04 -     LMT     1907        # Praia
 166                         -2:00   -       CVT     1942 Sep
 167                         -2:00   1:00    CVST    1945 Oct 15
 168                         -2:00   -       CVT     1975 Nov 25  2:00
 169                         -1:00   -       CVT
 170 
 171 # Central African Republic
 172 # See Africa/Lagos.
 173 
 174 # Chad
 175 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 176 Zone    Africa/Ndjamena 1:00:12 -       LMT     1912        # N'Djamena
 177                         1:00    -       WAT     1979 Oct 14
 178                         1:00    1:00    WAST    1980 Mar  8
 179                         1:00    -       WAT
 180 
 181 # Comoros
 182 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 183 Zone    Indian/Comoro   2:53:04 -       LMT     1911 Jul # Moroni, Gran Comoro
 184                         3:00    -       EAT
 185 
 186 # Democratic Republic of the Congo
 187 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 188 Zone Africa/Lubumbashi  1:49:52 -       LMT     1897 Nov 9
 189                         2:00    -       CAT
 190 # The above is for the eastern part; see Africa/Lagos for the western part.
 191 
 192 # Republic of the Congo
 193 # See Africa/Lagos.
 194 
 195 # Côte d'Ivoire / Ivory Coast
 196 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 197 Zone    Africa/Abidjan  -0:16:08 -      LMT     1912
 198                          0:00   -       GMT
 199 Link Africa/Abidjan Africa/Bamako       # Mali
 200 Link Africa/Abidjan Africa/Banjul       # Gambia
 201 Link Africa/Abidjan Africa/Conakry      # Guinea
 202 Link Africa/Abidjan Africa/Dakar        # Senegal
 203 Link Africa/Abidjan Africa/Freetown     # Sierra Leone
 204 Link Africa/Abidjan Africa/Lome         # Togo
 205 Link Africa/Abidjan Africa/Nouakchott   # Mauritania
 206 Link Africa/Abidjan Africa/Ouagadougou  # Burkina Faso
 207 Link Africa/Abidjan Africa/Sao_Tome     # São Tomé and Príncipe
 208 Link Africa/Abidjan Atlantic/St_Helena  # St Helena
 209 
 210 # Djibouti
 211 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 212 Zone    Africa/Djibouti 2:52:36 -       LMT     1911 Jul
 213                         3:00    -       EAT
 214 
 215 ###############################################################################
 216 
 217 # Egypt
 218 
 219 # Milne says Cairo used 2:05:08.9, the local mean time of the Abbasizeh
 220 # observatory; round to nearest.  Milne also says that the official time for
 221 # Egypt was mean noon at the Great Pyramid, 2:04:30.5, but apparently this
 222 # did not apply to Cairo, Alexandria, or Port Said.
 223 
 224 # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
 225 Rule    Egypt   1940    only    -       Jul     15      0:00    1:00    S
 226 Rule    Egypt   1940    only    -       Oct      1      0:00    0       -
 227 Rule    Egypt   1941    only    -       Apr     15      0:00    1:00    S
 228 Rule    Egypt   1941    only    -       Sep     16      0:00    0       -
 229 Rule    Egypt   1942    1944    -       Apr      1      0:00    1:00    S
 230 Rule    Egypt   1942    only    -       Oct     27      0:00    0       -
 231 Rule    Egypt   1943    1945    -       Nov      1      0:00    0       -
 232 Rule    Egypt   1945    only    -       Apr     16      0:00    1:00    S
 233 Rule    Egypt   1957    only    -       May     10      0:00    1:00    S
 234 Rule    Egypt   1957    1958    -       Oct      1      0:00    0       -
 235 Rule    Egypt   1958    only    -       May      1      0:00    1:00    S
 236 Rule    Egypt   1959    1981    -       May      1      1:00    1:00    S
 237 Rule    Egypt   1959    1965    -       Sep     30      3:00    0       -
 238 Rule    Egypt   1966    1994    -       Oct      1      3:00    0       -
 239 Rule    Egypt   1982    only    -       Jul     25      1:00    1:00    S
 240 Rule    Egypt   1983    only    -       Jul     12      1:00    1:00    S
 241 Rule    Egypt   1984    1988    -       May      1      1:00    1:00    S
 242 Rule    Egypt   1989    only    -       May      6      1:00    1:00    S
 243 Rule    Egypt   1990    1994    -       May      1      1:00    1:00    S
 244 # IATA (after 1990) says transitions are at 0:00.
 245 # Go with IATA starting in 1995, except correct 1995 entry from 09-30 to 09-29.
 246 
 247 # From Alexander Krivenyshev (2011-04-20):
 248 # "...Egypt's interim cabinet decided on Wednesday to cancel daylight
 249 # saving time after a poll posted on its website showed the majority of
 250 # Egyptians would approve the cancellation."
 251 #
 252 # Egypt to cancel daylight saving time
 253 # http://www.almasryalyoum.com/en/node/407168
 254 # or
 255 # http://www.worldtimezone.com/dst_news/dst_news_egypt04.html
 256 Rule    Egypt   1995    2010    -       Apr     lastFri  0:00s  1:00    S
 257 Rule    Egypt   1995    2005    -       Sep     lastThu 24:00   0       -
 258 # From Steffen Thorsen (2006-09-19):
 259 # The Egyptian Gazette, issue 41,090 (2006-09-18), page 1, reports:
 260 # Egypt will turn back clocks by one hour at the midnight of Thursday
 261 # after observing the daylight saving time since May.
 262 # http://news.gom.com.eg/gazette/pdf/2006/09/18/01.pdf
 263 Rule    Egypt   2006    only    -       Sep     21      24:00   0       -
 264 # From Dirk Losch (2007-08-14):
 265 # I received a mail from an airline which says that the daylight
 266 # saving time in Egypt will end in the night of 2007-09-06 to 2007-09-07.
 267 # From Jesper Nørgaard Welen (2007-08-15): [The following agree:]
 268 # http://www.nentjes.info/Bill/bill5.htm
 269 # http://www.timeanddate.com/worldclock/city.html?n=53
 270 # From Steffen Thorsen (2007-09-04): The official information...:
 271 # http://www.sis.gov.eg/En/EgyptOnline/Miscellaneous/000002/0207000000000000001580.htm
 272 Rule    Egypt   2007    only    -       Sep     Thu>=1       24:00   0       -
 273 # From Abdelrahman Hassan (2007-09-06):
 274 # Due to the Hijri (lunar Islamic calendar) year being 11 days shorter
 275 # than the year of the Gregorian calendar, Ramadan shifts earlier each
 276 # year. This year it will be observed September 13 (September is quite
 277 # hot in Egypt), and the idea is to make fasting easier for workers by
 278 # shifting business hours one hour out of daytime heat. Consequently,
 279 # unless discontinued, next DST may end Thursday 28 August 2008.
 280 # From Paul Eggert (2007-08-17):
 281 # For lack of better info, assume the new rule is last Thursday in August.
 282 
 283 # From Petr Machata (2009-04-06):
 284 # The following appeared in Red Hat bugzilla[1] (edited):
 285 #
 286 # > $ zdump -v /usr/share/zoneinfo/Africa/Cairo | grep 2009
 287 # > /usr/share/zoneinfo/Africa/Cairo  Thu Apr 23 21:59:59 2009 UTC = Thu =
 288 # Apr 23
 289 # > 23:59:59 2009 EET isdst=0 gmtoff=7200
 290 # > /usr/share/zoneinfo/Africa/Cairo  Thu Apr 23 22:00:00 2009 UTC = Fri =
 291 # Apr 24
 292 # > 01:00:00 2009 EEST isdst=1 gmtoff=10800
 293 # > /usr/share/zoneinfo/Africa/Cairo  Thu Aug 27 20:59:59 2009 UTC = Thu =
 294 # Aug 27
 295 # > 23:59:59 2009 EEST isdst=1 gmtoff=10800
 296 # > /usr/share/zoneinfo/Africa/Cairo  Thu Aug 27 21:00:00 2009 UTC = Thu =
 297 # Aug 27
 298 # > 23:00:00 2009 EET isdst=0 gmtoff=7200
 299 #
 300 # > end date should be Thu Sep 24 2009 (Last Thursday in September at 23:59=
 301 # :59)
 302 # > http://support.microsoft.com/kb/958729/
 303 #
 304 # timeanddate[2] and another site I've found[3] also support that.
 305 #
 306 # [1] https://bugzilla.redhat.com/show_bug.cgi?id=492263
 307 # [2] http://www.timeanddate.com/worldclock/clockchange.html?n=53
 308 # [3] http://wwp.greenwichmeantime.com/time-zone/africa/egypt/
 309 
 310 # From Arthur David Olson (2009-04-20):
 311 # In 2009 (and for the next several years), Ramadan ends before the fourth
 312 # Thursday in September; Egypt is expected to revert to the last Thursday
 313 # in September.
 314 
 315 # From Steffen Thorsen (2009-08-11):
 316 # We have been able to confirm the August change with the Egyptian Cabinet
 317 # Information and Decision Support Center:
 318 # http://www.timeanddate.com/news/time/egypt-dst-ends-2009.html
 319 #
 320 # The Middle East News Agency
 321 # http://www.mena.org.eg/index.aspx
 322 # also reports "Egypt starts winter time on August 21"
 323 # today in article numbered "71, 11/08/2009 12:25 GMT."
 324 # Only the title above is available without a subscription to their service,
 325 # and can be found by searching for "winter" in their search engine
 326 # (at least today).
 327 
 328 # From Alexander Krivenyshev (2010-07-20):
 329 # According to News from Egypt - Al-Masry Al-Youm Egypt's cabinet has
 330 # decided that Daylight Saving Time will not be used in Egypt during
 331 # Ramadan.
 332 #
 333 # Arabic translation:
 334 # "Clocks to go back during Ramadan - and then forward again"
 335 # http://www.almasryalyoum.com/en/news/clocks-go-back-during-ramadan-and-then-forward-again
 336 # http://www.worldtimezone.com/dst_news/dst_news_egypt02.html
 337 
 338 # From Ahmad El-Dardiry (2014-05-07):
 339 # Egypt is to change back to Daylight system on May 15
 340 # http://english.ahram.org.eg/NewsContent/1/64/100735/Egypt/Politics-/Egypts-government-to-reapply-daylight-saving-time-.aspx
 341 
 342 # From Gunther Vermier (2015-05-13):
 343 # our Egypt office confirms that the change will be at 15 May "midnight" (24:00)
 344 
 345 # From Imed Chihi (2014-06-04):
 346 # We have finally "located" a precise official reference about the DST changes
 347 # in Egypt.  The Ministers Cabinet decision is explained at
 348 # http://www.cabinet.gov.eg/Media/CabinetMeetingsDetails.aspx?id=347 ...
 349 # [T]his (Arabic) site is not accessible outside Egypt, but the page ...
 350 # translates into: "With regard to daylight saving time, it is scheduled to
 351 # take effect at exactly twelve o'clock this evening, Thursday, 15 MAY 2014,
 352 # to be suspended by twelve o'clock on the evening of Thursday, 26 JUN 2014,
 353 # and re-established again at the end of the month of Ramadan, at twelve
 354 # o'clock on the evening of Thursday, 31 JUL 2014."  This statement has been
 355 # reproduced by other (more accessible) sites[, e.g.,]...
 356 # http://elgornal.net/news/news.aspx?id=4699258
 357 
 358 # From Paul Eggert (2014-06-04):
 359 # Sarah El Deeb and Lee Keath of AP report that the Egyptian government says
 360 # the change is because of blackouts in Cairo, even though Ahram Online (cited
 361 # above) says DST had no affect on electricity consumption.  There is
 362 # no information about when DST will end this fall.  See:
 363 # http://abcnews.go.com/International/wireStory/el-sissi-pushes-egyptians-line-23614833
 364 #
 365 # For now, guess that later spring and fall transitions will use
 366 # 2010's rules, and guess that Egypt will switch to standard time at
 367 # 24:00 the last Thursday before Ramadan, and back to DST at 00:00 the
 368 # first Friday after Ramadan.  To implement this,
 369 # transition dates for 2015 through 2037 were determined by running
 370 # the following program under GNU Emacs 24.3, with the results integrated
 371 # by hand into the table below.  Ramadan again intrudes on the guessed
 372 # DST starting in 2038, but that's beyond our somewhat-arbitrary cutoff.
 373 # (let ((islamic-year 1436))
 374 #   (while (< islamic-year 1460)
 375 #     (let ((a (calendar-islamic-to-absolute (list 9 1 islamic-year)))
 376 #           (b (calendar-islamic-to-absolute (list 10 1 islamic-year)))
 377 #           (friday 5))
 378 #       (while (/= friday (mod a 7))
 379 #         (setq a (1- a)))
 380 #       (while (/= friday (mod b 7))
 381 #         (setq b (1+ b)))
 382 #       (setq a (1- a))
 383 #       (setq b (1- b))
 384 #       (setq a (calendar-gregorian-from-absolute a))
 385 #       (setq b (calendar-gregorian-from-absolute b))
 386 #       (insert
 387 #        (format
 388 #         (concat "Rule\tEgypt\t%d\tonly\t-\t%s\t%2d\t24:00\t0\t-\n"
 389 #                 "Rule\tEgypt\t%d\tonly\t-\t%s\t%2d\t24:00\t1:00\tS\n")
 390 #         (car (cdr (cdr a))) (calendar-month-name (car a) t) (car (cdr a))
 391 #         (car (cdr (cdr b))) (calendar-month-name (car b) t) (car (cdr b)))))
 392 #     (setq islamic-year (+ 1 islamic-year))))
 393 Rule    Egypt   2008    only    -       Aug     lastThu 24:00   0       -
 394 Rule    Egypt   2009    only    -       Aug     20      24:00   0       -
 395 Rule    Egypt   2010    only    -       Aug     10      24:00   0       -
 396 Rule    Egypt   2010    only    -       Sep      9      24:00   1:00    S
 397 Rule    Egypt   2010    only    -       Sep     lastThu 24:00   0       -
 398 Rule    Egypt   2014    only    -       May     15      24:00   1:00    S
 399 Rule    Egypt   2014    only    -       Jun     26      24:00   0       -
 400 Rule    Egypt   2014    only    -       Jul     31      24:00   1:00    S
 401 Rule    Egypt   2014    max     -       Sep     lastThu 24:00   0       -
 402 Rule    Egypt   2015    2019    -       Apr     lastFri  0:00s  1:00    S
 403 Rule    Egypt   2015    only    -       Jun     11      24:00   0       -
 404 Rule    Egypt   2015    only    -       Jul     23      24:00   1:00    S
 405 Rule    Egypt   2016    only    -       Jun      2      24:00   0       -
 406 Rule    Egypt   2016    only    -       Jul      7      24:00   1:00    S
 407 Rule    Egypt   2017    only    -       May     25      24:00   0       -
 408 Rule    Egypt   2017    only    -       Jun     29      24:00   1:00    S
 409 Rule    Egypt   2018    only    -       May     10      24:00   0       -
 410 Rule    Egypt   2018    only    -       Jun     14      24:00   1:00    S
 411 Rule    Egypt   2019    only    -       May      2      24:00   0       -
 412 Rule    Egypt   2019    only    -       Jun      6      24:00   1:00    S
 413 Rule    Egypt   2020    only    -       May     28      24:00   1:00    S
 414 Rule    Egypt   2021    only    -       May     13      24:00   1:00    S
 415 Rule    Egypt   2022    only    -       May      5      24:00   1:00    S
 416 Rule    Egypt   2023    max     -       Apr     lastFri  0:00s  1:00    S
 417 
 418 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 419 Zone    Africa/Cairo    2:05:09 -       LMT     1900 Oct
 420                         2:00    Egypt   EE%sT
 421 
 422 # Equatorial Guinea
 423 # See Africa/Lagos.
 424 
 425 # Eritrea
 426 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 427 Zone    Africa/Asmara   2:35:32 -       LMT     1870
 428                         2:35:32 -       AMT     1890        # Asmara Mean Time
 429                         2:35:20 -       ADMT    1936 May  5 # Adis Dera MT
 430                         3:00    -       EAT
 431 
 432 # Ethiopia
 433 # From Paul Eggert (2014-07-31):
 434 # Like the Swahili of Kenya and Tanzania, many Ethiopians keep a
 435 # 12-hour clock starting at our 06:00, so their "8 o'clock" is our
 436 # 02:00 or 14:00.  Keep this in mind when you ask the time in Amharic.
 437 #
 438 # Shanks & Pottenger write that Ethiopia had six narrowly-spaced time
 439 # zones between 1870 and 1890, that they merged to 38E50 (2:35:20) in
 440 # 1890, and that they switched to 3:00 on 1936-05-05.  Perhaps 38E50
 441 # was for Adis Dera.  Quite likely the Shanks data entries are wrong
 442 # anyway.
 443 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 444 Zone Africa/Addis_Ababa 2:34:48 -       LMT     1870
 445                         2:35:20 -       ADMT    1936 May  5 # Adis Dera MT
 446                         3:00    -       EAT
 447 
 448 # Gabon
 449 # See Africa/Lagos.
 450 
 451 # Gambia
 452 # See Africa/Abidjan.
 453 
 454 # Ghana
 455 # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
 456 # Whitman says DST was observed from 1931 to "the present";
 457 # Shanks & Pottenger say 1936 to 1942;
 458 # and September 1 to January 1 is given by:
 459 # Scott Keltie J, Epstein M (eds), The Statesman's Year-Book,
 460 # 57th ed. Macmillan, London (1920), OCLC 609408015, pp xxviii.
 461 # For lack of better info, assume DST was observed from 1920 to 1942.
 462 Rule    Ghana   1920    1942    -       Sep      1      0:00    0:20    GHST
 463 Rule    Ghana   1920    1942    -       Dec     31      0:00    0       GMT
 464 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 465 Zone    Africa/Accra    -0:00:52 -      LMT     1918
 466                          0:00   Ghana   %s
 467 
 468 # Guinea
 469 # See Africa/Abidjan.
 470 
 471 # Guinea-Bissau
 472 #
 473 # Shanks gives 1911-05-26 for the transition to WAT,
 474 # evidently confusing the date of the Portuguese decree
 475 # http://dre.pt/pdf1sdip/1911/05/12500/23132313.pdf
 476 # with the date that it took effect, namely 1912-01-01.
 477 #
 478 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 479 Zone    Africa/Bissau   -1:02:20 -      LMT     1912 Jan  1
 480                         -1:00   -       WAT     1975
 481                          0:00   -       GMT
 482 
 483 # Kenya
 484 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 485 Zone    Africa/Nairobi  2:27:16 -       LMT     1928 Jul
 486                         3:00    -       EAT     1930
 487                         2:30    -       BEAT    1940
 488                         2:45    -       BEAUT   1960
 489                         3:00    -       EAT
 490 
 491 # Lesotho
 492 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 493 Zone    Africa/Maseru   1:50:00 -       LMT     1903 Mar
 494                         2:00    -       SAST    1943 Sep 19  2:00
 495                         2:00    1:00    SAST    1944 Mar 19  2:00
 496                         2:00    -       SAST
 497 
 498 # Liberia
 499 # From Paul Eggert (2006-03-22):
 500 # In 1972 Liberia was the last country to switch
 501 # from a UTC offset that was not a multiple of 15 or 20 minutes.
 502 # Howse reports that it was in honor of their president's birthday.
 503 # Shank & Pottenger report the date as May 1, whereas Howse reports Jan;
 504 # go with Shanks & Pottenger.
 505 # For Liberia before 1972, Shanks & Pottenger report -0:44, whereas Howse and
 506 # Whitman each report -0:44:30; go with the more precise figure.
 507 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 508 Zone    Africa/Monrovia -0:43:08 -      LMT     1882
 509                         -0:43:08 -      MMT     1919 Mar # Monrovia Mean Time
 510                         -0:44:30 -      LRT     1972 May # Liberia Time
 511                          0:00   -       GMT
 512 
 513 ###############################################################################
 514 
 515 # Libya
 516 
 517 # From Even Scharning (2012-11-10):
 518 # Libya set their time one hour back at 02:00 on Saturday November 10.
 519 # http://www.libyaherald.com/2012/11/04/clocks-to-go-back-an-hour-on-saturday/
 520 # Here is an official source [in Arabic]: http://ls.ly/fb6Yc
 521 #
 522 # Steffen Thorsen forwarded a translation (2012-11-10) in
 523 # http://mm.icann.org/pipermail/tz/2012-November/018451.html
 524 #
 525 # From Tim Parenti (2012-11-11):
 526 # Treat the 2012-11-10 change as a zone change from UTC+2 to UTC+1.
 527 # The DST rules planned for 2013 and onward roughly mirror those of Europe
 528 # (either two days before them or five days after them, so as to fall on
 529 # lastFri instead of lastSun).
 530 
 531 # From Even Scharning (2013-10-25):
 532 # The scheduled end of DST in Libya on Friday, October 25, 2013 was
 533 # cancelled yesterday....
 534 # http://www.libyaherald.com/2013/10/24/correction-no-time-change-tomorrow/
 535 #
 536 # From Paul Eggert (2013-10-25):
 537 # For now, assume they're reverting to the pre-2012 rules of permanent UTC+2.
 538 
 539 # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
 540 Rule    Libya   1951    only    -       Oct     14      2:00    1:00    S
 541 Rule    Libya   1952    only    -       Jan      1      0:00    0       -
 542 Rule    Libya   1953    only    -       Oct      9      2:00    1:00    S
 543 Rule    Libya   1954    only    -       Jan      1      0:00    0       -
 544 Rule    Libya   1955    only    -       Sep     30      0:00    1:00    S
 545 Rule    Libya   1956    only    -       Jan      1      0:00    0       -
 546 Rule    Libya   1982    1984    -       Apr      1      0:00    1:00    S
 547 Rule    Libya   1982    1985    -       Oct      1      0:00    0       -
 548 Rule    Libya   1985    only    -       Apr      6      0:00    1:00    S
 549 Rule    Libya   1986    only    -       Apr      4      0:00    1:00    S
 550 Rule    Libya   1986    only    -       Oct      3      0:00    0       -
 551 Rule    Libya   1987    1989    -       Apr      1      0:00    1:00    S
 552 Rule    Libya   1987    1989    -       Oct      1      0:00    0       -
 553 Rule    Libya   1997    only    -       Apr      4      0:00    1:00    S
 554 Rule    Libya   1997    only    -       Oct      4      0:00    0       -
 555 Rule    Libya   2013    only    -       Mar     lastFri 1:00    1:00    S
 556 Rule    Libya   2013    only    -       Oct     lastFri 2:00    0       -
 557 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 558 Zone    Africa/Tripoli  0:52:44 -       LMT     1920
 559                         1:00    Libya   CE%sT   1959
 560                         2:00    -       EET     1982
 561                         1:00    Libya   CE%sT   1990 May  4
 562 # The 1996 and 1997 entries are from Shanks & Pottenger;
 563 # the IATA SSIM data entries contain some obvious errors.
 564                         2:00    -       EET     1996 Sep 30
 565                         1:00    Libya   CE%sT   1997 Oct  4
 566                         2:00    -       EET     2012 Nov 10  2:00
 567                         1:00    Libya   CE%sT   2013 Oct 25  2:00
 568                         2:00    -       EET
 569 
 570 # Madagascar
 571 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 572 Zone Indian/Antananarivo 3:10:04 -      LMT     1911 Jul
 573                         3:00    -       EAT     1954 Feb 27 23:00s
 574                         3:00    1:00    EAST    1954 May 29 23:00s
 575                         3:00    -       EAT
 576 
 577 # Malawi
 578 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 579 Zone    Africa/Blantyre 2:20:00 -       LMT     1903 Mar
 580                         2:00    -       CAT
 581 
 582 # Mali
 583 # Mauritania
 584 # See Africa/Abidjan.
 585 
 586 # Mauritius
 587 
 588 # From Steffen Thorsen (2008-06-25):
 589 # Mauritius plans to observe DST from 2008-11-01 to 2009-03-31 on a trial
 590 # basis....
 591 # It seems that Mauritius observed daylight saving time from 1982-10-10 to
 592 # 1983-03-20 as well, but that was not successful....
 593 # http://www.timeanddate.com/news/time/mauritius-daylight-saving-time.html
 594 
 595 # From Alex Krivenyshev (2008-06-25):
 596 # http://economicdevelopment.gov.mu/portal/site/Mainhomepage/menuitem.a42b24128104d9845dabddd154508a0c/?content_id=0a7cee8b5d69a110VgnVCM1000000a04a8c0RCRD
 597 
 598 # From Arthur David Olson (2008-06-30):
 599 # The www.timeanddate.com article cited by Steffen Thorsen notes that "A
 600 # final decision has yet to be made on the times that daylight saving
 601 # would begin and end on these dates." As a place holder, use midnight.
 602 
 603 # From Paul Eggert (2008-06-30):
 604 # Follow Thorsen on DST in 1982/1983, instead of Shanks & Pottenger.
 605 
 606 # From Steffen Thorsen (2008-07-10):
 607 # According to
 608 # http://www.lexpress.mu/display_article.php?news_id=111216
 609 # (in French), Mauritius will start and end their DST a few days earlier
 610 # than previously announced (2008-11-01 to 2009-03-31).  The new start
 611 # date is 2008-10-26 at 02:00 and the new end date is 2009-03-27 (no time
 612 # given, but it is probably at either 2 or 3 wall clock time).
 613 #
 614 # A little strange though, since the article says that they moved the date
 615 # to align itself with Europe and USA which also change time on that date,
 616 # but that means they have not paid attention to what happened in
 617 # USA/Canada last year (DST ends first Sunday in November). I also wonder
 618 # why that they end on a Friday, instead of aligning with Europe which
 619 # changes two days later.
 620 
 621 # From Alex Krivenyshev (2008-07-11):
 622 # Seems that English language article "The revival of daylight saving
 623 # time: Energy conservation?"-# No. 16578 (07/11/2008) was originally
 624 # published on Monday, June 30, 2008...
 625 #
 626 # I guess that article in French "Le gouvernement avance l'introduction
 627 # de l'heure d'été" stating that DST in Mauritius starting on October 26
 628 # and ending on March 27, 2009 is the most recent one....
 629 # http://www.worldtimezone.com/dst_news/dst_news_mauritius02.html
 630 
 631 # From Riad M. Hossen Ally (2008-08-03):
 632 # The Government of Mauritius weblink
 633 # http://www.gov.mu/portal/site/pmosite/menuitem.4ca0efdee47462e7440a600248a521ca/?content_id=4728ca68b2a5b110VgnVCM1000000a04a8c0RCRD
 634 # Cabinet Decision of July 18th, 2008 states as follows:
 635 #
 636 # 4. ...Cabinet has agreed to the introduction into the National Assembly
 637 # of the Time Bill which provides for the introduction of summer time in
 638 # Mauritius. The summer time period which will be of one hour ahead of
 639 # the standard time, will be aligned with that in Europe and the United
 640 # States of America. It will start at two o'clock in the morning on the
 641 # last Sunday of October and will end at two o'clock in the morning on
 642 # the last Sunday of March the following year. The summer time for the
 643 # year 2008-2009 will, therefore, be effective as from 26 October 2008
 644 # and end on 29 March 2009.
 645 
 646 # From Ed Maste (2008-10-07):
 647 # THE TIME BILL (No. XXVII of 2008) Explanatory Memorandum states the
 648 # beginning / ending of summer time is 2 o'clock standard time in the
 649 # morning of the last Sunday of October / last Sunday of March.
 650 # http://www.gov.mu/portal/goc/assemblysite/file/bill2708.pdf
 651 
 652 # From Steffen Thorsen (2009-06-05):
 653 # According to several sources, Mauritius will not continue to observe
 654 # DST the coming summer...
 655 #
 656 # Some sources, in French:
 657 # http://www.defimedia.info/news/946/Rashid-Beebeejaun-:-%C2%AB-L%E2%80%99heure-d%E2%80%99%C3%A9t%C3%A9-ne-sera-pas-appliqu%C3%A9e-cette-ann%C3%A9e-%C2%BB
 658 # http://lexpress.mu/Story/3398~Beebeejaun---Les-objectifs-d-%C3%A9conomie-d-%C3%A9nergie-de-l-heure-d-%C3%A9t%C3%A9-ont-%C3%A9t%C3%A9-atteints-
 659 #
 660 # Our wrap-up:
 661 # http://www.timeanddate.com/news/time/mauritius-dst-will-not-repeat.html
 662 
 663 # From Arthur David Olson (2009-07-11):
 664 # The "mauritius-dst-will-not-repeat" wrapup includes this:
 665 # "The trial ended on March 29, 2009, when the clocks moved back by one hour
 666 # at 2am (or 02:00) local time..."
 667 
 668 # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
 669 Rule Mauritius  1982    only    -       Oct     10      0:00    1:00    S
 670 Rule Mauritius  1983    only    -       Mar     21      0:00    0       -
 671 Rule Mauritius  2008    only    -       Oct     lastSun 2:00    1:00    S
 672 Rule Mauritius  2009    only    -       Mar     lastSun 2:00    0       -
 673 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 674 Zone Indian/Mauritius   3:50:00 -       LMT     1907 # Port Louis
 675                         4:00 Mauritius  MU%sT   # Mauritius Time
 676 # Agalega Is, Rodriguez
 677 # no information; probably like Indian/Mauritius
 678 
 679 # Mayotte
 680 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 681 Zone    Indian/Mayotte  3:00:56 -       LMT     1911 Jul # Mamoutzou
 682                         3:00    -       EAT
 683 
 684 # Morocco
 685 # See the 'europe' file for Spanish Morocco (Africa/Ceuta).
 686 
 687 # From Alex Krivenyshev (2008-05-09):
 688 # Here is an article that Morocco plan to introduce Daylight Saving Time between
 689 # 1 June, 2008 and 27 September, 2008.
 690 #
 691 # "... Morocco is to save energy by adjusting its clock during summer so it will
 692 # be one hour ahead of GMT between 1 June and 27 September, according to
 693 # Communication Minister and Government Spokesman, Khalid Naciri...."
 694 #
 695 # http://www.worldtimezone.net/dst_news/dst_news_morocco01.html
 696 # http://en.afrik.com/news11892.html
 697 
 698 # From Alex Krivenyshev (2008-05-09):
 699 # The Morocco time change can be confirmed on Morocco web site Maghreb Arabe
 700 # Presse:
 701 # http://www.map.ma/eng/sections/box3/morocco_shifts_to_da/view
 702 #
 703 # Morocco shifts to daylight time on June 1st through September 27, Govt.
 704 # spokesman.
 705 
 706 # From Patrice Scattolin (2008-05-09):
 707 # According to this article:
 708 # http://www.avmaroc.com/actualite/heure-dete-comment-a127896.html
 709 # (and republished here: <http://www.actu.ma/heure-dete-comment_i127896_0.html>)
 710 # the changes occur at midnight:
 711 #
 712 # Saturday night May 31st at midnight (which in French is to be
 713 # interpreted as the night between Saturday and Sunday)
 714 # Sunday night the 28th at midnight
 715 #
 716 # Seeing that the 28th is Monday, I am guessing that she intends to say
 717 # the midnight of the 28th which is the midnight between Sunday and
 718 # Monday, which jives with other sources that say that it's inclusive
 719 # June 1st to Sept 27th.
 720 #
 721 # The decision was taken by decree *2-08-224 *but I can't find the decree
 722 # published on the web.
 723 #
 724 # It's also confirmed here:
 725 # http://www.maroc.ma/NR/exeres/FACF141F-D910-44B0-B7FA-6E03733425D1.htm
 726 # on a government portal as being between June 1st and Sept 27th (not yet
 727 # posted in English).
 728 #
 729 # The following Google query will generate many relevant hits:
 730 # http://www.google.com/search?hl=en&q=Conseil+de+gouvernement+maroc+heure+avance&btnG=Search
 731 
 732 # From Steffen Thorsen (2008-08-27):
 733 # Morocco will change the clocks back on the midnight between August 31
 734 # and September 1. They originally planned to observe DST to near the end
 735 # of September:
 736 #
 737 # One article about it (in French):
 738 # http://www.menara.ma/fr/Actualites/Maroc/Societe/ci.retour_a_l_heure_gmt_a_partir_du_dimanche_31_aout_a_minuit_officiel_.default
 739 #
 740 # We have some further details posted here:
 741 # http://www.timeanddate.com/news/time/morocco-ends-dst-early-2008.html
 742 
 743 # From Steffen Thorsen (2009-03-17):
 744 # Morocco will observe DST from 2009-06-01 00:00 to 2009-08-21 00:00 according
 745 # to many sources, such as
 746 # http://news.marweb.com/morocco/entertainment/morocco-daylight-saving.html
 747 # http://www.medi1sat.ma/fr/depeche.aspx?idp=2312
 748 # (French)
 749 #
 750 # Our summary:
 751 # http://www.timeanddate.com/news/time/morocco-starts-dst-2009.html
 752 
 753 # From Alexander Krivenyshev (2009-03-17):
 754 # Here is a link to official document from Royaume du Maroc Premier Ministre,
 755 # Ministère de la Modernisation des Secteurs Publics
 756 #
 757 # Under Article 1 of Royal Decree No. 455-67 of Act 23 safar 1387 (2 june 1967)
 758 # concerning the amendment of the legal time, the Ministry of Modernization of
 759 # Public Sectors announced that the official time in the Kingdom will be
 760 # advanced 60 minutes from Sunday 31 May 2009 at midnight.
 761 #
 762 # http://www.mmsp.gov.ma/francais/Actualites_fr/PDF_Actualites_Fr/HeureEte_FR.pdf
 763 # http://www.worldtimezone.com/dst_news/dst_news_morocco03.html
 764 
 765 # From Steffen Thorsen (2010-04-13):
 766 # Several news media in Morocco report that the Ministry of Modernization
 767 # of Public Sectors has announced that Morocco will have DST from
 768 # 2010-05-02 to 2010-08-08.
 769 #
 770 # Example:
 771 # http://www.lavieeco.com/actualites/4099-le-maroc-passera-a-l-heure-d-ete-gmt1-le-2-mai.html
 772 # (French)
 773 # Our page:
 774 # http://www.timeanddate.com/news/time/morocco-starts-dst-2010.html
 775 
 776 # From Dan Abitol (2011-03-30):
 777 # ...Rules for Africa/Casablanca are the following (24h format)
 778 # The 3rd April 2011 at 00:00:00, [it] will be 3rd April 01:00:00
 779 # The 31st July 2011 at 00:59:59, [it] will be 31st July 00:00:00
 780 # ...Official links of change in morocco
 781 # The change was broadcast on the FM Radio
 782 # I ve called ANRT (telecom regulations in Morocco) at
 783 # +212.537.71.84.00
 784 # http://www.anrt.net.ma/fr/
 785 # They said that
 786 # http://www.map.ma/fr/sections/accueil/l_heure_legale_au_ma/view
 787 # is the official publication to look at.
 788 # They said that the decision was already taken.
 789 #
 790 # More articles in the press
 791 # http://www.yabiladi.com/articles/details/5058/secret-l-heure-d-ete-maroc-leve.html
 792 # http://www.lematin.ma/Actualite/Express/Article.asp?id=148923
 793 # http://www.lavieeco.com/actualite/Le-Maroc-passe-sur-GMT%2B1-a-partir-de-dim
 794 
 795 # From Petr Machata (2011-03-30):
 796 # They have it written in English here:
 797 # http://www.map.ma/eng/sections/home/morocco_to_spring_fo/view
 798 #
 799 # It says there that "Morocco will resume its standard time on July 31,
 800 # 2011 at midnight." Now they don't say whether they mean midnight of
 801 # wall clock time (i.e. 11pm UTC), but that's what I would assume. It has
 802 # also been like that in the past.
 803 
 804 # From Alexander Krivenyshev (2012-03-09):
 805 # According to Infomédiaire web site from Morocco (infomediaire.ma),
 806 # on March 9, 2012, (in French) Heure légale:
 807 # Le Maroc adopte officiellement l'heure d'été
 808 # http://www.infomediaire.ma/news/maroc/heure-l%C3%A9gale-le-maroc-adopte-officiellement-lheure-d%C3%A9t%C3%A9
 809 # Governing Council adopted draft decree, that Morocco DST starts on
 810 # the last Sunday of March (March 25, 2012) and ends on
 811 # last Sunday of September (September 30, 2012)
 812 # except the month of Ramadan.
 813 # or (brief)
 814 # http://www.worldtimezone.com/dst_news/dst_news_morocco06.html
 815 
 816 # From Arthur David Olson (2012-03-10):
 817 # The infomediaire.ma source indicates that the system is to be in
 818 # effect every year. It gives 03H00 as the "fall back" time of day;
 819 # it lacks a "spring forward" time of day; assume 2:00 XXX.
 820 # Wait on specifying the Ramadan exception for details about
 821 # start date, start time of day, end date, and end time of day XXX.
 822 
 823 # From Christophe Tropamer (2012-03-16):
 824 # Seen Morocco change again:
 825 # http://www.le2uminutes.com/actualite.php
 826 # "...à partir du dernier dimanche d'avril et non fins mars,
 827 # comme annoncé précédemment."
 828 
 829 # From Milamber Space Network (2012-07-17):
 830 # The official return to GMT is announced by the Moroccan government:
 831 # http://www.mmsp.gov.ma/fr/actualites.aspx?id=288 [in French]
 832 #
 833 # Google translation, lightly edited:
 834 # Back to the standard time of the Kingdom (GMT)
 835 # Pursuant to Decree No. 2-12-126 issued on 26 Jumada (I) 1433 (April 18,
 836 # 2012) and in accordance with the order of Mr. President of the
 837 # Government No. 3-47-12 issued on 24 Sha'ban (11 July 2012), the Ministry
 838 # of Public Service and Administration Modernization announces the return
 839 # of the legal time of the Kingdom (GMT) from Friday, July 20, 2012 until
 840 # Monday, August 20, 2012.  So the time will be delayed by 60 minutes from
 841 # 3:00 am Friday, July 20, 2012 and will again be advanced by 60 minutes
 842 # August 20, 2012 from 2:00 am.
 843 
 844 # From Paul Eggert (2013-03-06):
 845 # Morocco's daylight-saving transitions due to Ramadan seem to be
 846 # announced a bit in advance.  On 2012-07-11 the Moroccan government
 847 # announced that year's Ramadan daylight-saving transitions would be
 848 # 2012-07-20 and 2012-08-20; see
 849 # http://www.mmsp.gov.ma/fr/actualites.aspx?id=288
 850 
 851 # From Andrew Paprocki (2013-07-02):
 852 # Morocco announced that the year's Ramadan daylight-savings
 853 # transitions would be 2013-07-07 and 2013-08-10; see:
 854 # http://www.maroc.ma/en/news/morocco-suspends-daylight-saving-time-july-7-aug10
 855 
 856 # From Steffen Thorsen (2013-09-28):
 857 # Morocco extends DST by one month, on very short notice, just 1 day
 858 # before it was going to end.  There is a new decree (2.13.781) for
 859 # this, where DST from now on goes from last Sunday of March at 02:00
 860 # to last Sunday of October at 03:00, similar to EU rules.  Official
 861 # source (French):
 862 # http://www.maroc.gov.ma/fr/actualites/lhoraire-dete-gmt1-maintenu-jusquau-27-octobre-2013
 863 # Another source (specifying the time for start and end in the decree):
 864 # http://www.lemag.ma/Heure-d-ete-au-Maroc-jusqu-au-27-octobre_a75620.html
 865 
 866 # From Sebastien Willemijns (2014-03-18):
 867 # http://www.afriquinfos.com/articles/2014/3/18/maroc-heure-dete-avancez-tous-horloges-247891.asp
 868 
 869 # From Milamber Space Network (2014-06-05):
 870 # The Moroccan government has recently announced that the country will return
 871 # to standard time at 03:00 on Saturday, June 28, 2014 local time....  DST
 872 # will resume again at 02:00 on Saturday, August 2, 2014....
 873 # http://www.mmsp.gov.ma/fr/actualites.aspx?id=586
 874 
 875 # From Paul Eggert (2014-06-05):
 876 # For now, guess that later spring and fall transitions will use 2014's rules,
 877 # and guess that Morocco will switch to standard time at 03:00 the last
 878 # Saturday before Ramadan, and back to DST at 02:00 the first Saturday after
 879 # Ramadan.  To implement this, transition dates for 2015 through 2037 were
 880 # determined by running the following program under GNU Emacs 24.3, with the
 881 # results integrated by hand into the table below.
 882 # (let ((islamic-year 1436))
 883 #   (while (< islamic-year 1460)
 884 #     (let ((a (calendar-islamic-to-absolute (list 9 1 islamic-year)))
 885 #           (b (calendar-islamic-to-absolute (list 10 1 islamic-year)))
 886 #           (saturday 6))
 887 #       (while (/= saturday (mod (setq a (1- a)) 7)))
 888 #       (while (/= saturday (mod b 7))
 889 #         (setq b (1+ b)))
 890 #       (setq a (calendar-gregorian-from-absolute a))
 891 #       (setq b (calendar-gregorian-from-absolute b))
 892 #       (insert
 893 #        (format
 894 #         (concat "Rule\tMorocco\t%d\tonly\t-\t%s\t%2d\t 3:00\t0\t-\n"
 895 #                 "Rule\tMorocco\t%d\tonly\t-\t%s\t%2d\t 2:00\t1:00\tS\n")
 896 #         (car (cdr (cdr a))) (calendar-month-name (car a) t) (car (cdr a))
 897 #         (car (cdr (cdr b))) (calendar-month-name (car b) t) (car (cdr b)))))
 898 #     (setq islamic-year (+ 1 islamic-year))))
 899 
 900 # RULE  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
 901 
 902 Rule    Morocco 1939    only    -       Sep     12       0:00   1:00    S
 903 Rule    Morocco 1939    only    -       Nov     19       0:00   0       -
 904 Rule    Morocco 1940    only    -       Feb     25       0:00   1:00    S
 905 Rule    Morocco 1945    only    -       Nov     18       0:00   0       -
 906 Rule    Morocco 1950    only    -       Jun     11       0:00   1:00    S
 907 Rule    Morocco 1950    only    -       Oct     29       0:00   0       -
 908 Rule    Morocco 1967    only    -       Jun      3      12:00   1:00    S
 909 Rule    Morocco 1967    only    -       Oct      1       0:00   0       -
 910 Rule    Morocco 1974    only    -       Jun     24       0:00   1:00    S
 911 Rule    Morocco 1974    only    -       Sep      1       0:00   0       -
 912 Rule    Morocco 1976    1977    -       May      1       0:00   1:00    S
 913 Rule    Morocco 1976    only    -       Aug      1       0:00   0       -
 914 Rule    Morocco 1977    only    -       Sep     28       0:00   0       -
 915 Rule    Morocco 1978    only    -       Jun      1       0:00   1:00    S
 916 Rule    Morocco 1978    only    -       Aug      4       0:00   0       -
 917 Rule    Morocco 2008    only    -       Jun      1       0:00   1:00    S
 918 Rule    Morocco 2008    only    -       Sep      1       0:00   0       -
 919 Rule    Morocco 2009    only    -       Jun      1       0:00   1:00    S
 920 Rule    Morocco 2009    only    -       Aug     21       0:00   0       -
 921 Rule    Morocco 2010    only    -       May      2       0:00   1:00    S
 922 Rule    Morocco 2010    only    -       Aug      8       0:00   0       -
 923 Rule    Morocco 2011    only    -       Apr      3       0:00   1:00    S
 924 Rule    Morocco 2011    only    -       Jul     31       0      0       -
 925 Rule    Morocco 2012    2013    -       Apr     lastSun  2:00   1:00    S
 926 Rule    Morocco 2012    only    -       Sep     30       3:00   0       -
 927 Rule    Morocco 2012    only    -       Jul     20       3:00   0       -
 928 Rule    Morocco 2012    only    -       Aug     20       2:00   1:00    S
 929 Rule    Morocco 2013    only    -       Jul      7       3:00   0       -
 930 Rule    Morocco 2013    only    -       Aug     10       2:00   1:00    S
 931 Rule    Morocco 2013    max     -       Oct     lastSun  3:00   0       -
 932 Rule    Morocco 2014    2022    -       Mar     lastSun  2:00   1:00    S
 933 Rule    Morocco 2014    only    -       Jun     28       3:00   0       -
 934 Rule    Morocco 2014    only    -       Aug      2       2:00   1:00    S
 935 Rule    Morocco 2015    only    -       Jun     13       3:00   0       -
 936 Rule    Morocco 2015    only    -       Jul     18       2:00   1:00    S
 937 Rule    Morocco 2016    only    -       Jun      4       3:00   0       -
 938 Rule    Morocco 2016    only    -       Jul      9       2:00   1:00    S
 939 Rule    Morocco 2017    only    -       May     20       3:00   0       -
 940 Rule    Morocco 2017    only    -       Jul      1       2:00   1:00    S
 941 Rule    Morocco 2018    only    -       May     12       3:00   0       -
 942 Rule    Morocco 2018    only    -       Jun     16       2:00   1:00    S
 943 Rule    Morocco 2019    only    -       May      4       3:00   0       -
 944 Rule    Morocco 2019    only    -       Jun      8       2:00   1:00    S
 945 Rule    Morocco 2020    only    -       Apr     18       3:00   0       -
 946 Rule    Morocco 2020    only    -       May     30       2:00   1:00    S
 947 Rule    Morocco 2021    only    -       Apr     10       3:00   0       -
 948 Rule    Morocco 2021    only    -       May     15       2:00   1:00    S
 949 Rule    Morocco 2022    only    -       Apr      2       3:00   0       -
 950 Rule    Morocco 2022    only    -       May      7       2:00   1:00    S
 951 Rule    Morocco 2023    only    -       Apr     22       2:00   1:00    S
 952 Rule    Morocco 2024    only    -       Apr     13       2:00   1:00    S
 953 Rule    Morocco 2025    only    -       Apr      5       2:00   1:00    S
 954 Rule    Morocco 2026    max     -       Mar     lastSun  2:00   1:00    S
 955 Rule    Morocco 2035    only    -       Oct     27       3:00   0       -
 956 Rule    Morocco 2036    only    -       Oct     18       3:00   0       -
 957 Rule    Morocco 2037    only    -       Oct     10       3:00   0       -
 958 
 959 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 960 Zone Africa/Casablanca  -0:30:20 -      LMT     1913 Oct 26
 961                          0:00   Morocco WE%sT   1984 Mar 16
 962                          1:00   -       CET     1986
 963                          0:00   Morocco WE%sT
 964 
 965 # Western Sahara
 966 #
 967 # From Gwillim Law (2013-10-22):
 968 # A correspondent who is usually well informed about time zone matters
 969 # ... says that Western Sahara observes daylight saving time, just as
 970 # Morocco does.
 971 #
 972 # From Paul Eggert (2013-10-23):
 973 # Assume that this has been true since Western Sahara switched to GMT,
 974 # since most of it was then controlled by Morocco.
 975 
 976 Zone Africa/El_Aaiun    -0:52:48 -      LMT     1934 Jan # El Aaiún
 977                         -1:00   -       WAT     1976 Apr 14
 978                          0:00   Morocco WE%sT
 979 
 980 # Mozambique
 981 #
 982 # Shanks gives 1903-03-01 for the transition to CAT.
 983 # Perhaps the 1911-05-26 Portuguese decree
 984 # http://dre.pt/pdf1sdip/1911/05/12500/23132313.pdf
 985 # merely made it official?
 986 #
 987 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 988 Zone    Africa/Maputo   2:10:20 -       LMT     1903 Mar
 989                         2:00    -       CAT
 990 
 991 # Namibia
 992 # The 1994-04-03 transition is from Shanks & Pottenger.
 993 # Shanks & Pottenger report no DST after 1998-04; go with IATA.
 994 
 995 # From Petronella Sibeene (2007-03-30):
 996 # http://allafrica.com/stories/200703300178.html
 997 # While the entire country changes its time, Katima Mulilo and other
 998 # settlements in Caprivi unofficially will not because the sun there
 999 # rises and sets earlier compared to other regions.  Chief of
1000 # Forecasting Riaan van Zyl explained that the far eastern parts of
1001 # the country are close to 40 minutes earlier in sunrise than the rest
1002 # of the country.
1003 #
1004 # From Paul Eggert (2007-03-31):
1005 # Apparently the Caprivi Strip informally observes Botswana time, but
1006 # we have no details.  In the meantime people there can use Africa/Gaborone.
1007 
1008 # RULE  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
1009 Rule    Namibia 1994    max     -       Sep     Sun>=1       2:00    1:00    S
1010 Rule    Namibia 1995    max     -       Apr     Sun>=1       2:00    0       -
1011 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1012 Zone    Africa/Windhoek 1:08:24 -       LMT     1892 Feb 8
1013                         1:30    -       SWAT    1903 Mar    # SW Africa Time
1014                         2:00    -       SAST    1942 Sep 20  2:00
1015                         2:00    1:00    SAST    1943 Mar 21  2:00
1016                         2:00    -       SAST    1990 Mar 21 # independence
1017                         2:00    -       CAT     1994 Apr  3
1018                         1:00    Namibia WA%sT
1019 
1020 # Niger
1021 # See Africa/Lagos.
1022 
1023 # Nigeria
1024 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1025 Zone    Africa/Lagos    0:13:36 -       LMT     1919 Sep
1026                         1:00    -       WAT
1027 Link Africa/Lagos Africa/Bangui      # Central African Republic
1028 Link Africa/Lagos Africa/Brazzaville # Rep. of the Congo
1029 Link Africa/Lagos Africa/Douala      # Cameroon
1030 Link Africa/Lagos Africa/Kinshasa    # Dem. Rep. of the Congo (west)
1031 Link Africa/Lagos Africa/Libreville  # Gabon
1032 Link Africa/Lagos Africa/Luanda      # Angola
1033 Link Africa/Lagos Africa/Malabo      # Equatorial Guinea
1034 Link Africa/Lagos Africa/Niamey      # Niger
1035 Link Africa/Lagos Africa/Porto-Novo  # Benin
1036 
1037 # Réunion
1038 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1039 Zone    Indian/Reunion  3:41:52 -       LMT     1911 Jun # Saint-Denis
1040                         4:00    -       RET     # Réunion Time
1041 #
1042 # Crozet Islands also observes Réunion time; see the 'antarctica' file.
1043 #
1044 # Scattered Islands (Îles Éparses) administered from Réunion are as follows.
1045 # The following information about them is taken from
1046 # Îles Éparses (<http://www.outre-mer.gouv.fr/domtom/ile.htm>, 1997-07-22,
1047 # in French; no longer available as of 1999-08-17).
1048 # We have no info about their time zone histories.
1049 #
1050 # Bassas da India - uninhabited
1051 # Europa Island - inhabited from 1905 to 1910 by two families
1052 # Glorioso Is - inhabited until at least 1958
1053 # Juan de Nova - uninhabited
1054 # Tromelin - inhabited until at least 1958
1055 
1056 # Rwanda
1057 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1058 Zone    Africa/Kigali   2:00:16 -       LMT     1935 Jun
1059                         2:00    -       CAT
1060 
1061 # St Helena
1062 # See Africa/Abidjan.
1063 # The other parts of the St Helena territory are similar:
1064 #       Tristan da Cunha: on GMT, say Whitman and the CIA
1065 #       Ascension: on GMT, say the USNO (1995-12-21) and the CIA
1066 #       Gough (scientific station since 1955; sealers wintered previously):
1067 #               on GMT, says the CIA
1068 #       Inaccessible, Nightingale: uninhabited
1069 
1070 # São Tomé and Príncipe
1071 # Senegal
1072 # See Africa/Abidjan.
1073 
1074 # Seychelles
1075 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1076 Zone    Indian/Mahe     3:41:48 -       LMT     1906 Jun # Victoria
1077                         4:00    -       SCT     # Seychelles Time
1078 # From Paul Eggert (2001-05-30):
1079 # Aldabra, Farquhar, and Desroches, originally dependencies of the
1080 # Seychelles, were transferred to the British Indian Ocean Territory
1081 # in 1965 and returned to Seychelles control in 1976.  We don't know
1082 # whether this affected their time zone, so omit this for now.
1083 # Possibly the islands were uninhabited.
1084 
1085 # Sierra Leone
1086 # See Africa/Abidjan.
1087 
1088 # Somalia
1089 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1090 Zone Africa/Mogadishu   3:01:28 -       LMT     1893 Nov
1091                         3:00    -       EAT     1931
1092                         2:30    -       BEAT    1957
1093                         3:00    -       EAT
1094 
1095 # South Africa
1096 # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
1097 Rule    SA      1942    1943    -       Sep     Sun>=15      2:00    1:00    -
1098 Rule    SA      1943    1944    -       Mar     Sun>=15      2:00    0       -
1099 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1100 Zone Africa/Johannesburg 1:52:00 -      LMT     1892 Feb 8
1101                         1:30    -       SAST    1903 Mar
1102                         2:00    SA      SAST
1103 # Marion and Prince Edward Is
1104 # scientific station since 1947
1105 # no information
1106 
1107 # Sudan
1108 #
1109 # From <http://www.sunanews.net/sn13jane.html>
1110 # Sudan News Agency (2000-01-13),
1111 # also reported by Michaël De Beukelaer-Dossche via Steffen Thorsen:
1112 # Clocks will be moved ahead for 60 minutes all over the Sudan as of noon
1113 # Saturday....  This was announced Thursday by Caretaker State Minister for
1114 # Manpower Abdul-Rahman Nur-Eddin.
1115 #
1116 # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
1117 Rule    Sudan   1970    only    -       May      1      0:00    1:00    S
1118 Rule    Sudan   1970    1985    -       Oct     15      0:00    0       -
1119 Rule    Sudan   1971    only    -       Apr     30      0:00    1:00    S
1120 Rule    Sudan   1972    1985    -       Apr     lastSun 0:00    1:00    S
1121 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1122 Zone    Africa/Khartoum 2:10:08 -       LMT     1931
1123                         2:00    Sudan   CA%sT   2000 Jan 15 12:00
1124                         3:00    -       EAT
1125 
1126 # South Sudan
1127 Link Africa/Khartoum Africa/Juba
1128 
1129 # Swaziland
1130 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1131 Zone    Africa/Mbabane  2:04:24 -       LMT     1903 Mar
1132                         2:00    -       SAST
1133 
1134 # Tanzania
1135 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1136 Zone Africa/Dar_es_Salaam 2:37:08 -     LMT     1931
1137                         3:00    -       EAT     1948
1138                         2:45    -       BEAUT   1961
1139                         3:00    -       EAT
1140 
1141 # Togo
1142 # See Africa/Abidjan.
1143 
1144 # Tunisia
1145 
1146 # From Gwillim Law (2005-04-30):
1147 # My correspondent, Risto Nykänen, has alerted me to another adoption of DST,
1148 # this time in Tunisia.  According to Yahoo France News
1149 # <http://fr.news.yahoo.com/050426/5/4dumk.html>, in a story attributed to AP
1150 # and dated 2005-04-26, "Tunisia has decided to advance its official time by
1151 # one hour, starting on Sunday, May 1.  Henceforth, Tunisian time will be
1152 # UTC+2 instead of UTC+1.  The change will take place at 23:00 UTC next
1153 # Saturday."  (My translation)
1154 #
1155 # From Oscar van Vlijmen (2005-05-02):
1156 # La Presse, the first national daily newspaper ...
1157 # http://www.lapresse.tn/archives/archives280405/actualites/lheure.html
1158 # ... DST for 2005: on: Sun May 1 0h standard time, off: Fri Sept. 30,
1159 # 1h standard time.
1160 #
1161 # From Atef Loukil (2006-03-28):
1162 # The daylight saving time will be the same each year:
1163 # Beginning      : the last Sunday of March at 02:00
1164 # Ending         : the last Sunday of October at 03:00 ...
1165 # http://www.tap.info.tn/en/index.php?option=com_content&task=view&id=1188&Itemid=50
1166 
1167 # From Steffen Thorsen (2009-03-16):
1168 # According to several news sources, Tunisia will not observe DST this year.
1169 # (Arabic)
1170 # http://www.elbashayer.com/?page=viewn&nid=42546
1171 # http://www.babnet.net/kiwidetail-15295.asp
1172 #
1173 # We have also confirmed this with the US embassy in Tunisia.
1174 # We have a wrap-up about this on the following page:
1175 # http://www.timeanddate.com/news/time/tunisia-cancels-dst-2009.html
1176 
1177 # From Alexander Krivenyshev (2009-03-17):
1178 # Here is a link to Tunis Afrique Presse News Agency
1179 #
1180 # Standard time to be kept the whole year long (tap.info.tn):
1181 #
1182 # (in English)
1183 # http://www.tap.info.tn/en/index.php?option=com_content&task=view&id=26813&Itemid=157
1184 #
1185 # (in Arabic)
1186 # http://www.tap.info.tn/ar/index.php?option=com_content&task=view&id=61240&Itemid=1
1187 
1188 # From Arthur David Olson (2009-03-18):
1189 # The Tunis Afrique Presse News Agency notice contains this: "This measure is
1190 # due to the fact that the fasting month of Ramadan coincides with the period
1191 # concerned by summer time.  Therefore, the standard time will be kept
1192 # unchanged the whole year long."  So foregoing DST seems to be an exception
1193 # (albeit one that may be repeated in the future).
1194 
1195 # From Alexander Krivenyshev (2010-03-27):
1196 # According to some news reports Tunis confirmed not to use DST in 2010
1197 #
1198 # (translation):
1199 # "The Tunisian government has decided to abandon DST, which was scheduled on
1200 # Sunday...
1201 # Tunisian authorities had suspended the DST for the first time last year also
1202 # coincided with the month of Ramadan..."
1203 #
1204 # (in Arabic)
1205 # http://www.moheet.com/show_news.aspx?nid=358861&pg=1
1206 # http://www.almadenahnews.com/newss/news.php?c=118&id=38036
1207 # http://www.worldtimezone.com/dst_news/dst_news_tunis02.html
1208 
1209 # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
1210 Rule    Tunisia 1939    only    -       Apr     15      23:00s  1:00    S
1211 Rule    Tunisia 1939    only    -       Nov     18      23:00s  0       -
1212 Rule    Tunisia 1940    only    -       Feb     25      23:00s  1:00    S
1213 Rule    Tunisia 1941    only    -       Oct      6       0:00   0       -
1214 Rule    Tunisia 1942    only    -       Mar      9       0:00   1:00    S
1215 Rule    Tunisia 1942    only    -       Nov      2       3:00   0       -
1216 Rule    Tunisia 1943    only    -       Mar     29       2:00   1:00    S
1217 Rule    Tunisia 1943    only    -       Apr     17       2:00   0       -
1218 Rule    Tunisia 1943    only    -       Apr     25       2:00   1:00    S
1219 Rule    Tunisia 1943    only    -       Oct      4       2:00   0       -
1220 Rule    Tunisia 1944    1945    -       Apr     Mon>=1        2:00   1:00    S
1221 Rule    Tunisia 1944    only    -       Oct      8       0:00   0       -
1222 Rule    Tunisia 1945    only    -       Sep     16       0:00   0       -
1223 Rule    Tunisia 1977    only    -       Apr     30       0:00s  1:00    S
1224 Rule    Tunisia 1977    only    -       Sep     24       0:00s  0       -
1225 Rule    Tunisia 1978    only    -       May      1       0:00s  1:00    S
1226 Rule    Tunisia 1978    only    -       Oct      1       0:00s  0       -
1227 Rule    Tunisia 1988    only    -       Jun      1       0:00s  1:00    S
1228 Rule    Tunisia 1988    1990    -       Sep     lastSun  0:00s  0       -
1229 Rule    Tunisia 1989    only    -       Mar     26       0:00s  1:00    S
1230 Rule    Tunisia 1990    only    -       May      1       0:00s  1:00    S
1231 Rule    Tunisia 2005    only    -       May      1       0:00s  1:00    S
1232 Rule    Tunisia 2005    only    -       Sep     30       1:00s  0       -
1233 Rule    Tunisia 2006    2008    -       Mar     lastSun  2:00s  1:00    S
1234 Rule    Tunisia 2006    2008    -       Oct     lastSun  2:00s  0       -
1235 
1236 # Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's
1237 # more precise 0:09:21.
1238 # Shanks & Pottenger say the 1911 switch was on Mar 9; go with Howse's Mar 11.
1239 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1240 Zone    Africa/Tunis    0:40:44 -       LMT     1881 May 12
1241                         0:09:21 -       PMT     1911 Mar 11 # Paris Mean Time
1242                         1:00    Tunisia CE%sT
1243 
1244 # Uganda
1245 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1246 Zone    Africa/Kampala  2:09:40 -       LMT     1928 Jul
1247                         3:00    -       EAT     1930
1248                         2:30    -       BEAT    1948
1249                         2:45    -       BEAUT   1957
1250                         3:00    -       EAT
1251 
1252 # Zambia
1253 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1254 Zone    Africa/Lusaka   1:53:08 -       LMT     1903 Mar
1255                         2:00    -       CAT
1256 
1257 # Zimbabwe
1258 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1259 Zone    Africa/Harare   2:04:12 -       LMT     1903 Mar
1260                         2:00    -       CAT