1 # This file is in the public domain, so clarified as of 2 # 2009-05-17 by Arthur David Olson. 3 4 # This file is by no means authoritative; if you think you know better, 5 # go ahead and edit the file (and please send any changes to 6 # tz@iana.org for general use in the future). For more, please see 7 # the file CONTRIBUTING in the tz distribution. 8 9 # From Paul Eggert (2017-02-20): 10 # 11 # Unless otherwise specified, the source for data through 1990 is: 12 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), 13 # San Diego: ACS Publications, Inc. (2003). 14 # Unfortunately this book contains many errors and cites no sources. 15 # 16 # Many years ago Gwillim Law wrote that a good source 17 # for time zone data was the International Air Transport 18 # Association's Standard Schedules Information Manual (IATA SSIM), 19 # published semiannually. Law sent in several helpful summaries 20 # of the IATA's data after 1990. Except where otherwise noted, 21 # IATA SSIM is the source for entries after 1990. 22 # 23 # Another source occasionally used is Edward W. Whitman, World Time Differences, 24 # Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which 25 # I found in the UCLA library. 26 # 27 # For data circa 1899, a common source is: 28 # Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94. 29 # http://www.jstor.org/stable/1774359 30 # 31 # A reliable and entertaining source about time zones is 32 # Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). 33 # 34 # European-style abbreviations are commonly used along the Mediterranean. 35 # For sub-Saharan Africa abbreviations were less standardized. 36 # Previous editions of this database used WAT, CAT, SAT, and EAT 37 # for UT +00 through +03, respectively, 38 # but in 1997 Mark R V Murray reported that 39 # 'SAST' is the official abbreviation for +02 in the country of South Africa, 40 # 'CAT' is commonly used for +02 in countries north of South Africa, and 41 # 'WAT' is probably the best name for +01, as the common phrase for 42 # the area that includes Nigeria is "West Africa". 43 # 44 # To summarize, the following abbreviations seemed to have some currency: 45 # +00 GMT Greenwich Mean Time 46 # +02 CAT Central Africa Time 47 # +02 SAST South Africa Standard Time 48 # and Murray suggested the following abbreviation: 49 # +01 WAT West Africa Time 50 # Murray's suggestion seems to have caught on in news reports and the like. 51 # I vaguely recall 'WAT' also being used for -01 in the past but 52 # cannot now come up with solid citations. 53 # 54 # I invented the following abbreviations; corrections are welcome! 55 # +02 WAST West Africa Summer Time 56 # +03 CAST Central Africa Summer Time (no longer used) 57 # +03 SAST South Africa Summer Time (no longer used) 58 # +03 EAT East Africa Time 59 # 'EAT' also seems to have caught on; the others are rare but are paired 60 # with better-attested non-DST abbreviations. 61 62 # Algeria 63 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 64 Rule Algeria 1916 only - Jun 14 23:00s 1:00 S 65 Rule Algeria 1916 1919 - Oct Sun>=1 23:00s 0 - 66 Rule Algeria 1917 only - Mar 24 23:00s 1:00 S 67 Rule Algeria 1918 only - Mar 9 23:00s 1:00 S 68 Rule Algeria 1919 only - Mar 1 23:00s 1:00 S 69 Rule Algeria 1920 only - Feb 14 23:00s 1:00 S 70 Rule Algeria 1920 only - Oct 23 23:00s 0 - 71 Rule Algeria 1921 only - Mar 14 23:00s 1:00 S 72 Rule Algeria 1921 only - Jun 21 23:00s 0 - 73 Rule Algeria 1939 only - Sep 11 23:00s 1:00 S 74 Rule Algeria 1939 only - Nov 19 1:00 0 - 75 Rule Algeria 1944 1945 - Apr Mon>=1 2:00 1:00 S 76 Rule Algeria 1944 only - Oct 8 2:00 0 - 77 Rule Algeria 1945 only - Sep 16 1:00 0 - 78 Rule Algeria 1971 only - Apr 25 23:00s 1:00 S 79 Rule Algeria 1971 only - Sep 26 23:00s 0 - 80 Rule Algeria 1977 only - May 6 0:00 1:00 S 81 Rule Algeria 1977 only - Oct 21 0:00 0 - 82 Rule Algeria 1978 only - Mar 24 1:00 1:00 S 83 Rule Algeria 1978 only - Sep 22 3:00 0 - 84 Rule Algeria 1980 only - Apr 25 0:00 1:00 S 85 Rule Algeria 1980 only - Oct 31 2:00 0 - 86 # Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's 87 # more precise 0:09:21. 88 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 89 Zone Africa/Algiers 0:12:12 - LMT 1891 Mar 15 0:01 90 0:09:21 - PMT 1911 Mar 11 # Paris Mean Time 91 0:00 Algeria WE%sT 1940 Feb 25 2:00 92 1:00 Algeria CE%sT 1946 Oct 7 93 0:00 - WET 1956 Jan 29 94 1:00 - CET 1963 Apr 14 95 0:00 Algeria WE%sT 1977 Oct 21 96 1:00 Algeria CE%sT 1979 Oct 26 97 0:00 Algeria WE%sT 1981 May 98 1:00 - CET 99 100 # Angola 101 # Benin 102 # See Africa/Lagos. 103 104 # Botswana 105 # See Africa/Maputo. 106 107 # Burkina Faso 108 # See Africa/Abidjan. 109 110 # Burundi 111 # See Africa/Maputo. 112 113 # Cameroon 114 # See Africa/Lagos. 115 116 # Cape Verde / Cabo Verde 117 # 118 # Shanks gives 1907 for the transition to +02. 119 # Perhaps the 1911-05-26 Portuguese decree 120 # https://dre.pt/pdf1sdip/1911/05/12500/23132313.pdf 121 # merely made it official? 122 # 123 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 124 Zone Atlantic/Cape_Verde -1:34:04 - LMT 1907 # Praia 125 -2:00 - -02 1942 Sep 126 -2:00 1:00 -01 1945 Oct 15 127 -2:00 - -02 1975 Nov 25 2:00 128 -1:00 - -01 129 130 # Central African Republic 131 # See Africa/Lagos. 132 133 # Chad 134 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 135 Zone Africa/Ndjamena 1:00:12 - LMT 1912 # N'Djamena 136 1:00 - WAT 1979 Oct 14 137 1:00 1:00 WAST 1980 Mar 8 138 1:00 - WAT 139 140 # Comoros 141 # See Africa/Nairobi. 142 143 # Democratic Republic of the Congo 144 # See Africa/Lagos for the western part and Africa/Maputo for the eastern. 145 146 # Republic of the Congo 147 # See Africa/Lagos. 148 149 # Côte d'Ivoire / Ivory Coast 150 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 151 Zone Africa/Abidjan -0:16:08 - LMT 1912 152 0:00 - GMT 153 Link Africa/Abidjan Africa/Bamako # Mali 154 Link Africa/Abidjan Africa/Banjul # Gambia 155 Link Africa/Abidjan Africa/Conakry # Guinea 156 Link Africa/Abidjan Africa/Dakar # Senegal 157 Link Africa/Abidjan Africa/Freetown # Sierra Leone 158 Link Africa/Abidjan Africa/Lome # Togo 159 Link Africa/Abidjan Africa/Nouakchott # Mauritania 160 Link Africa/Abidjan Africa/Ouagadougou # Burkina Faso 161 Link Africa/Abidjan Africa/Sao_Tome # São Tomé and Príncipe 162 Link Africa/Abidjan Atlantic/St_Helena # St Helena 163 164 # Djibouti 165 # See Africa/Nairobi. 166 167 ############################################################################### 168 169 # Egypt 170 171 # Milne says Cairo used 2:05:08.9, the local mean time of the Abbasizeh 172 # observatory; round to nearest. Milne also says that the official time for 173 # Egypt was mean noon at the Great Pyramid, 2:04:30.5, but apparently this 174 # did not apply to Cairo, Alexandria, or Port Said. 175 176 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 177 Rule Egypt 1940 only - Jul 15 0:00 1:00 S 178 Rule Egypt 1940 only - Oct 1 0:00 0 - 179 Rule Egypt 1941 only - Apr 15 0:00 1:00 S 180 Rule Egypt 1941 only - Sep 16 0:00 0 - 181 Rule Egypt 1942 1944 - Apr 1 0:00 1:00 S 182 Rule Egypt 1942 only - Oct 27 0:00 0 - 183 Rule Egypt 1943 1945 - Nov 1 0:00 0 - 184 Rule Egypt 1945 only - Apr 16 0:00 1:00 S 185 Rule Egypt 1957 only - May 10 0:00 1:00 S 186 Rule Egypt 1957 1958 - Oct 1 0:00 0 - 187 Rule Egypt 1958 only - May 1 0:00 1:00 S 188 Rule Egypt 1959 1981 - May 1 1:00 1:00 S 189 Rule Egypt 1959 1965 - Sep 30 3:00 0 - 190 Rule Egypt 1966 1994 - Oct 1 3:00 0 - 191 Rule Egypt 1982 only - Jul 25 1:00 1:00 S 192 Rule Egypt 1983 only - Jul 12 1:00 1:00 S 193 Rule Egypt 1984 1988 - May 1 1:00 1:00 S 194 Rule Egypt 1989 only - May 6 1:00 1:00 S 195 Rule Egypt 1990 1994 - May 1 1:00 1:00 S 196 # IATA (after 1990) says transitions are at 0:00. 197 # Go with IATA starting in 1995, except correct 1995 entry from 09-30 to 09-29. 198 199 # From Alexander Krivenyshev (2011-04-20): 200 # "...Egypt's interim cabinet decided on Wednesday to cancel daylight 201 # saving time after a poll posted on its website showed the majority of 202 # Egyptians would approve the cancellation." 203 # 204 # Egypt to cancel daylight saving time 205 # http://www.almasryalyoum.com/en/node/407168 206 # or 207 # http://www.worldtimezone.com/dst_news/dst_news_egypt04.html 208 Rule Egypt 1995 2010 - Apr lastFri 0:00s 1:00 S 209 Rule Egypt 1995 2005 - Sep lastThu 24:00 0 - 210 # From Steffen Thorsen (2006-09-19): 211 # The Egyptian Gazette, issue 41,090 (2006-09-18), page 1, reports: 212 # Egypt will turn back clocks by one hour at the midnight of Thursday 213 # after observing the daylight saving time since May. 214 # http://news.gom.com.eg/gazette/pdf/2006/09/18/01.pdf 215 Rule Egypt 2006 only - Sep 21 24:00 0 - 216 # From Dirk Losch (2007-08-14): 217 # I received a mail from an airline which says that the daylight 218 # saving time in Egypt will end in the night of 2007-09-06 to 2007-09-07. 219 # From Jesper Nørgaard Welen (2007-08-15): [The following agree:] 220 # http://www.nentjes.info/Bill/bill5.htm 221 # http://www.timeanddate.com/worldclock/city.html?n=53 222 # From Steffen Thorsen (2007-09-04): The official information...: 223 # http://www.sis.gov.eg/En/EgyptOnline/Miscellaneous/000002/0207000000000000001580.htm 224 Rule Egypt 2007 only - Sep Thu>=1 24:00 0 - 225 # From Abdelrahman Hassan (2007-09-06): 226 # Due to the Hijri (lunar Islamic calendar) year being 11 days shorter 227 # than the year of the Gregorian calendar, Ramadan shifts earlier each 228 # year. This year it will be observed September 13 (September is quite 229 # hot in Egypt), and the idea is to make fasting easier for workers by 230 # shifting business hours one hour out of daytime heat. Consequently, 231 # unless discontinued, next DST may end Thursday 28 August 2008. 232 # From Paul Eggert (2007-08-17): 233 # For lack of better info, assume the new rule is last Thursday in August. 234 235 # From Petr Machata (2009-04-06): 236 # The following appeared in Red Hat bugzilla[1] (edited): 237 # 238 # > $ zdump -v /usr/share/zoneinfo/Africa/Cairo | grep 2009 239 # > /usr/share/zoneinfo/Africa/Cairo Thu Apr 23 21:59:59 2009 UTC = Thu = 240 # Apr 23 241 # > 23:59:59 2009 EET isdst=0 gmtoff=7200 242 # > /usr/share/zoneinfo/Africa/Cairo Thu Apr 23 22:00:00 2009 UTC = Fri = 243 # Apr 24 244 # > 01:00:00 2009 EEST isdst=1 gmtoff=10800 245 # > /usr/share/zoneinfo/Africa/Cairo Thu Aug 27 20:59:59 2009 UTC = Thu = 246 # Aug 27 247 # > 23:59:59 2009 EEST isdst=1 gmtoff=10800 248 # > /usr/share/zoneinfo/Africa/Cairo Thu Aug 27 21:00:00 2009 UTC = Thu = 249 # Aug 27 250 # > 23:00:00 2009 EET isdst=0 gmtoff=7200 251 # 252 # > end date should be Thu Sep 24 2009 (Last Thursday in September at 23:59= 253 # :59) 254 # > http://support.microsoft.com/kb/958729/ 255 # 256 # timeanddate[2] and another site I've found[3] also support that. 257 # 258 # [1] https://bugzilla.redhat.com/show_bug.cgi?id=492263 259 # [2] http://www.timeanddate.com/worldclock/clockchange.html?n=53 260 # [3] http://wwp.greenwichmeantime.com/time-zone/africa/egypt/ 261 262 # From Arthur David Olson (2009-04-20): 263 # In 2009 (and for the next several years), Ramadan ends before the fourth 264 # Thursday in September; Egypt is expected to revert to the last Thursday 265 # in September. 266 267 # From Steffen Thorsen (2009-08-11): 268 # We have been able to confirm the August change with the Egyptian Cabinet 269 # Information and Decision Support Center: 270 # http://www.timeanddate.com/news/time/egypt-dst-ends-2009.html 271 # 272 # The Middle East News Agency 273 # http://www.mena.org.eg/index.aspx 274 # also reports "Egypt starts winter time on August 21" 275 # today in article numbered "71, 11/08/2009 12:25 GMT." 276 # Only the title above is available without a subscription to their service, 277 # and can be found by searching for "winter" in their search engine 278 # (at least today). 279 280 # From Alexander Krivenyshev (2010-07-20): 281 # According to News from Egypt - Al-Masry Al-Youm Egypt's cabinet has 282 # decided that Daylight Saving Time will not be used in Egypt during 283 # Ramadan. 284 # 285 # Arabic translation: 286 # "Clocks to go back during Ramadan - and then forward again" 287 # http://www.almasryalyoum.com/en/news/clocks-go-back-during-ramadan-and-then-forward-again 288 # http://www.worldtimezone.com/dst_news/dst_news_egypt02.html 289 290 # From Ahmad El-Dardiry (2014-05-07): 291 # Egypt is to change back to Daylight system on May 15 292 # http://english.ahram.org.eg/NewsContent/1/64/100735/Egypt/Politics-/Egypts-government-to-reapply-daylight-saving-time-.aspx 293 294 # From Gunther Vermier (2014-05-13): 295 # our Egypt office confirms that the change will be at 15 May "midnight" (24:00) 296 297 # From Imed Chihi (2014-06-04): 298 # We have finally "located" a precise official reference about the DST changes 299 # in Egypt. The Ministers Cabinet decision is explained at 300 # http://www.cabinet.gov.eg/Media/CabinetMeetingsDetails.aspx?id=347 ... 301 # [T]his (Arabic) site is not accessible outside Egypt, but the page ... 302 # translates into: "With regard to daylight saving time, it is scheduled to 303 # take effect at exactly twelve o'clock this evening, Thursday, 15 MAY 2014, 304 # to be suspended by twelve o'clock on the evening of Thursday, 26 JUN 2014, 305 # and re-established again at the end of the month of Ramadan, at twelve 306 # o'clock on the evening of Thursday, 31 JUL 2014." This statement has been 307 # reproduced by other (more accessible) sites[, e.g.,]... 308 # http://elgornal.net/news/news.aspx?id=4699258 309 310 # From Paul Eggert (2014-06-04): 311 # Sarah El Deeb and Lee Keath of AP report that the Egyptian government says 312 # the change is because of blackouts in Cairo, even though Ahram Online (cited 313 # above) says DST had no affect on electricity consumption. There is 314 # no information about when DST will end this fall. See: 315 # http://abcnews.go.com/International/wireStory/el-sissi-pushes-egyptians-line-23614833 316 317 # From Steffen Thorsen (2015-04-08): 318 # Egypt will start DST on midnight after Thursday, April 30, 2015. 319 # This is based on a law (no 35) from May 15, 2014 saying it starts the last 320 # Thursday of April.... Clocks will still be turned back for Ramadan, but 321 # dates not yet announced.... 322 # http://almogaz.com/news/weird-news/2015/04/05/1947105 ... 323 # http://www.timeanddate.com/news/time/egypt-starts-dst-2015.html 324 325 # From Ahmed Nazmy (2015-04-20): 326 # Egypt's ministers cabinet just announced ... that it will cancel DST at 327 # least for 2015. 328 # 329 # From Tim Parenti (2015-04-20): 330 # http://english.ahram.org.eg/WriterArticles/NewsContentP/1/128195/Egypt/No-daylight-saving-this-summer-Egypts-prime-minist.aspx 331 # "Egypt's cabinet agreed on Monday not to switch clocks for daylight saving 332 # time this summer, and carry out studies on the possibility of canceling the 333 # practice altogether in future years." 334 # 335 # From Paul Eggert (2015-04-24): 336 # Yesterday the office of Egyptian President El-Sisi announced his 337 # decision to abandon DST permanently. See Ahram Online 2015-04-24. 338 # http://english.ahram.org.eg/NewsContent/1/64/128509/Egypt/Politics-/Sisi-cancels-daylight-saving-time-in-Egypt.aspx 339 340 # From Steffen Thorsen (2016-04-29): 341 # Egypt will have DST from July 7 until the end of October.... 342 # http://english.ahram.org.eg/NewsContentP/1/204655/Egypt/Daylight-savings-time-returning-to-Egypt-on--July.aspx 343 # From Mina Samuel (2016-07-04): 344 # Egyptian government took the decision to cancel the DST, 345 346 Rule Egypt 2008 only - Aug lastThu 24:00 0 - 347 Rule Egypt 2009 only - Aug 20 24:00 0 - 348 Rule Egypt 2010 only - Aug 10 24:00 0 - 349 Rule Egypt 2010 only - Sep 9 24:00 1:00 S 350 Rule Egypt 2010 only - Sep lastThu 24:00 0 - 351 Rule Egypt 2014 only - May 15 24:00 1:00 S 352 Rule Egypt 2014 only - Jun 26 24:00 0 - 353 Rule Egypt 2014 only - Jul 31 24:00 1:00 S 354 Rule Egypt 2014 only - Sep lastThu 24:00 0 - 355 356 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 357 Zone Africa/Cairo 2:05:09 - LMT 1900 Oct 358 2:00 Egypt EE%sT 359 360 # Equatorial Guinea 361 # See Africa/Lagos. 362 363 # Eritrea 364 # Ethiopia 365 # See Africa/Nairobi. 366 367 # Gabon 368 # See Africa/Lagos. 369 370 # Gambia 371 # See Africa/Abidjan. 372 373 # Ghana 374 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 375 # Whitman says DST was observed from 1931 to "the present"; 376 # Shanks & Pottenger say 1936 to 1942; 377 # and September 1 to January 1 is given by: 378 # Scott Keltie J, Epstein M (eds), The Statesman's Year-Book, 379 # 57th ed. Macmillan, London (1920), OCLC 609408015, pp xxviii. 380 # For lack of better info, assume DST was observed from 1920 to 1942. 381 Rule Ghana 1920 1942 - Sep 1 0:00 0:20 GHST 382 Rule Ghana 1920 1942 - Dec 31 0:00 0 GMT 383 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 384 Zone Africa/Accra -0:00:52 - LMT 1918 385 0:00 Ghana GMT/+0020 386 387 # Guinea 388 # See Africa/Abidjan. 389 390 # Guinea-Bissau 391 # 392 # Shanks gives 1911-05-26 for the transition to WAT, 393 # evidently confusing the date of the Portuguese decree 394 # https://dre.pt/pdf1sdip/1911/05/12500/23132313.pdf 395 # with the date that it took effect, namely 1912-01-01. 396 # 397 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 398 Zone Africa/Bissau -1:02:20 - LMT 1912 Jan 1 399 -1:00 - -01 1975 400 0:00 - GMT 401 402 # Kenya 403 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 404 Zone Africa/Nairobi 2:27:16 - LMT 1928 Jul 405 3:00 - EAT 1930 406 2:30 - +0230 1940 407 2:45 - +0245 1960 408 3:00 - EAT 409 Link Africa/Nairobi Africa/Addis_Ababa # Ethiopia 410 Link Africa/Nairobi Africa/Asmara # Eritrea 411 Link Africa/Nairobi Africa/Dar_es_Salaam # Tanzania 412 Link Africa/Nairobi Africa/Djibouti 413 Link Africa/Nairobi Africa/Kampala # Uganda 414 Link Africa/Nairobi Africa/Mogadishu # Somalia 415 Link Africa/Nairobi Indian/Antananarivo # Madagascar 416 Link Africa/Nairobi Indian/Comoro 417 Link Africa/Nairobi Indian/Mayotte 418 419 # Lesotho 420 # See Africa/Johannesburg. 421 422 # Liberia 423 # 424 # From Paul Eggert (2017-03-02): 425 # 426 # The Nautical Almanac for the Year 1970, p 264, is the source for -0:44:30. 427 # 428 # In 1972 Liberia was the last country to switch from a UTC offset 429 # that was not a multiple of 15 or 20 minutes. The 1972 change was on 430 # 1972-01-07, according to an entry dated 1972-01-04 on p 330 of: 431 # Presidential Papers: First year of the administration of 432 # President William R. Tolbert, Jr., July 23, 1971-July 31, 1972. 433 # Monrovia: Executive Mansion. 434 # 435 # Use the abbreviation "MMT" before 1972, as the more-accurate numeric 436 # abbreviation "-004430" would be one byte over the POSIX limit. 437 # 438 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 439 Zone Africa/Monrovia -0:43:08 - LMT 1882 440 -0:43:08 - MMT 1919 Mar # Monrovia Mean Time 441 -0:44:30 - MMT 1972 Jan 7 # approximately MMT 442 0:00 - GMT 443 444 ############################################################################### 445 446 # Libya 447 448 # From Even Scharning (2012-11-10): 449 # Libya set their time one hour back at 02:00 on Saturday November 10. 450 # http://www.libyaherald.com/2012/11/04/clocks-to-go-back-an-hour-on-saturday/ 451 # Here is an official source [in Arabic]: http://ls.ly/fb6Yc 452 # 453 # Steffen Thorsen forwarded a translation (2012-11-10) in 454 # http://mm.icann.org/pipermail/tz/2012-November/018451.html 455 # 456 # From Tim Parenti (2012-11-11): 457 # Treat the 2012-11-10 change as a zone change from UTC+2 to UTC+1. 458 # The DST rules planned for 2013 and onward roughly mirror those of Europe 459 # (either two days before them or five days after them, so as to fall on 460 # lastFri instead of lastSun). 461 462 # From Even Scharning (2013-10-25): 463 # The scheduled end of DST in Libya on Friday, October 25, 2013 was 464 # cancelled yesterday.... 465 # http://www.libyaherald.com/2013/10/24/correction-no-time-change-tomorrow/ 466 # 467 # From Paul Eggert (2013-10-25): 468 # For now, assume they're reverting to the pre-2012 rules of permanent UT +02. 469 470 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 471 Rule Libya 1951 only - Oct 14 2:00 1:00 S 472 Rule Libya 1952 only - Jan 1 0:00 0 - 473 Rule Libya 1953 only - Oct 9 2:00 1:00 S 474 Rule Libya 1954 only - Jan 1 0:00 0 - 475 Rule Libya 1955 only - Sep 30 0:00 1:00 S 476 Rule Libya 1956 only - Jan 1 0:00 0 - 477 Rule Libya 1982 1984 - Apr 1 0:00 1:00 S 478 Rule Libya 1982 1985 - Oct 1 0:00 0 - 479 Rule Libya 1985 only - Apr 6 0:00 1:00 S 480 Rule Libya 1986 only - Apr 4 0:00 1:00 S 481 Rule Libya 1986 only - Oct 3 0:00 0 - 482 Rule Libya 1987 1989 - Apr 1 0:00 1:00 S 483 Rule Libya 1987 1989 - Oct 1 0:00 0 - 484 Rule Libya 1997 only - Apr 4 0:00 1:00 S 485 Rule Libya 1997 only - Oct 4 0:00 0 - 486 Rule Libya 2013 only - Mar lastFri 1:00 1:00 S 487 Rule Libya 2013 only - Oct lastFri 2:00 0 - 488 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 489 Zone Africa/Tripoli 0:52:44 - LMT 1920 490 1:00 Libya CE%sT 1959 491 2:00 - EET 1982 492 1:00 Libya CE%sT 1990 May 4 493 # The 1996 and 1997 entries are from Shanks & Pottenger; 494 # the IATA SSIM data entries contain some obvious errors. 495 2:00 - EET 1996 Sep 30 496 1:00 Libya CE%sT 1997 Oct 4 497 2:00 - EET 2012 Nov 10 2:00 498 1:00 Libya CE%sT 2013 Oct 25 2:00 499 2:00 - EET 500 501 # Madagascar 502 # See Africa/Nairobi. 503 504 # Malawi 505 # See Africa/Maputo. 506 507 # Mali 508 # Mauritania 509 # See Africa/Abidjan. 510 511 # Mauritius 512 513 # From Steffen Thorsen (2008-06-25): 514 # Mauritius plans to observe DST from 2008-11-01 to 2009-03-31 on a trial 515 # basis.... 516 # It seems that Mauritius observed daylight saving time from 1982-10-10 to 517 # 1983-03-20 as well, but that was not successful.... 518 # http://www.timeanddate.com/news/time/mauritius-daylight-saving-time.html 519 520 # From Alex Krivenyshev (2008-06-25): 521 # http://economicdevelopment.gov.mu/portal/site/Mainhomepage/menuitem.a42b24128104d9845dabddd154508a0c/?content_id=0a7cee8b5d69a110VgnVCM1000000a04a8c0RCRD 522 523 # From Arthur David Olson (2008-06-30): 524 # The www.timeanddate.com article cited by Steffen Thorsen notes that "A 525 # final decision has yet to be made on the times that daylight saving 526 # would begin and end on these dates." As a place holder, use midnight. 527 528 # From Paul Eggert (2008-06-30): 529 # Follow Thorsen on DST in 1982/1983, instead of Shanks & Pottenger. 530 531 # From Steffen Thorsen (2008-07-10): 532 # According to 533 # http://www.lexpress.mu/display_article.php?news_id=111216 534 # (in French), Mauritius will start and end their DST a few days earlier 535 # than previously announced (2008-11-01 to 2009-03-31). The new start 536 # date is 2008-10-26 at 02:00 and the new end date is 2009-03-27 (no time 537 # given, but it is probably at either 2 or 3 wall clock time). 538 # 539 # A little strange though, since the article says that they moved the date 540 # to align itself with Europe and USA which also change time on that date, 541 # but that means they have not paid attention to what happened in 542 # USA/Canada last year (DST ends first Sunday in November). I also wonder 543 # why that they end on a Friday, instead of aligning with Europe which 544 # changes two days later. 545 546 # From Alex Krivenyshev (2008-07-11): 547 # Seems that English language article "The revival of daylight saving 548 # time: Energy conservation?"- No. 16578 (07/11/2008) was originally 549 # published on Monday, June 30, 2008... 550 # 551 # I guess that article in French "Le gouvernement avance l'introduction 552 # de l'heure d'été" stating that DST in Mauritius starting on October 26 553 # and ending on March 27, 2009 is the most recent one.... 554 # http://www.worldtimezone.com/dst_news/dst_news_mauritius02.html 555 556 # From Riad M. Hossen Ally (2008-08-03): 557 # The Government of Mauritius weblink 558 # http://www.gov.mu/portal/site/pmosite/menuitem.4ca0efdee47462e7440a600248a521ca/?content_id=4728ca68b2a5b110VgnVCM1000000a04a8c0RCRD 559 # Cabinet Decision of July 18th, 2008 states as follows: 560 # 561 # 4. ...Cabinet has agreed to the introduction into the National Assembly 562 # of the Time Bill which provides for the introduction of summer time in 563 # Mauritius. The summer time period which will be of one hour ahead of 564 # the standard time, will be aligned with that in Europe and the United 565 # States of America. It will start at two o'clock in the morning on the 566 # last Sunday of October and will end at two o'clock in the morning on 567 # the last Sunday of March the following year. The summer time for the 568 # year 2008-2009 will, therefore, be effective as from 26 October 2008 569 # and end on 29 March 2009. 570 571 # From Ed Maste (2008-10-07): 572 # THE TIME BILL (No. XXVII of 2008) Explanatory Memorandum states the 573 # beginning / ending of summer time is 2 o'clock standard time in the 574 # morning of the last Sunday of October / last Sunday of March. 575 # http://www.gov.mu/portal/goc/assemblysite/file/bill2708.pdf 576 577 # From Steffen Thorsen (2009-06-05): 578 # According to several sources, Mauritius will not continue to observe 579 # DST the coming summer... 580 # 581 # Some sources, in French: 582 # 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 583 # 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- 584 # 585 # Our wrap-up: 586 # http://www.timeanddate.com/news/time/mauritius-dst-will-not-repeat.html 587 588 # From Arthur David Olson (2009-07-11): 589 # The "mauritius-dst-will-not-repeat" wrapup includes this: 590 # "The trial ended on March 29, 2009, when the clocks moved back by one hour 591 # at 2am (or 02:00) local time..." 592 593 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 594 Rule Mauritius 1982 only - Oct 10 0:00 1:00 S 595 Rule Mauritius 1983 only - Mar 21 0:00 0 - 596 Rule Mauritius 2008 only - Oct lastSun 2:00 1:00 S 597 Rule Mauritius 2009 only - Mar lastSun 2:00 0 - 598 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 599 Zone Indian/Mauritius 3:50:00 - LMT 1907 # Port Louis 600 4:00 Mauritius +04/+05 601 # Agalega Is, Rodriguez 602 # no information; probably like Indian/Mauritius 603 604 # Mayotte 605 # See Africa/Nairobi. 606 607 # Morocco 608 # See the 'europe' file for Spanish Morocco (Africa/Ceuta). 609 610 # From Alex Krivenyshev (2008-05-09): 611 # Here is an article that Morocco plan to introduce Daylight Saving Time between 612 # 1 June, 2008 and 27 September, 2008. 613 # 614 # "... Morocco is to save energy by adjusting its clock during summer so it will 615 # be one hour ahead of GMT between 1 June and 27 September, according to 616 # Communication Minister and Government Spokesman, Khalid Naciri...." 617 # 618 # http://www.worldtimezone.net/dst_news/dst_news_morocco01.html 619 # http://en.afrik.com/news11892.html 620 621 # From Alex Krivenyshev (2008-05-09): 622 # The Morocco time change can be confirmed on Morocco web site Maghreb Arabe 623 # Presse: 624 # http://www.map.ma/eng/sections/box3/morocco_shifts_to_da/view 625 # 626 # Morocco shifts to daylight time on June 1st through September 27, Govt. 627 # spokesman. 628 629 # From Patrice Scattolin (2008-05-09): 630 # According to this article: 631 # http://www.avmaroc.com/actualite/heure-dete-comment-a127896.html 632 # (and republished here: <http://www.actu.ma/heure-dete-comment_i127896_0.html>) 633 # the changes occur at midnight: 634 # 635 # Saturday night May 31st at midnight (which in French is to be 636 # interpreted as the night between Saturday and Sunday) 637 # Sunday night the 28th at midnight 638 # 639 # Seeing that the 28th is Monday, I am guessing that she intends to say 640 # the midnight of the 28th which is the midnight between Sunday and 641 # Monday, which jives with other sources that say that it's inclusive 642 # June 1st to Sept 27th. 643 # 644 # The decision was taken by decree *2-08-224 *but I can't find the decree 645 # published on the web. 646 # 647 # It's also confirmed here: 648 # http://www.maroc.ma/NR/exeres/FACF141F-D910-44B0-B7FA-6E03733425D1.htm 649 # on a government portal as being between June 1st and Sept 27th (not yet 650 # posted in English). 651 # 652 # The following Google query will generate many relevant hits: 653 # http://www.google.com/search?hl=en&q=Conseil+de+gouvernement+maroc+heure+avance&btnG=Search 654 655 # From Steffen Thorsen (2008-08-27): 656 # Morocco will change the clocks back on the midnight between August 31 657 # and September 1. They originally planned to observe DST to near the end 658 # of September: 659 # 660 # One article about it (in French): 661 # http://www.menara.ma/fr/Actualites/Maroc/Societe/ci.retour_a_l_heure_gmt_a_partir_du_dimanche_31_aout_a_minuit_officiel_.default 662 # 663 # We have some further details posted here: 664 # http://www.timeanddate.com/news/time/morocco-ends-dst-early-2008.html 665 666 # From Steffen Thorsen (2009-03-17): 667 # Morocco will observe DST from 2009-06-01 00:00 to 2009-08-21 00:00 according 668 # to many sources, such as 669 # http://news.marweb.com/morocco/entertainment/morocco-daylight-saving.html 670 # http://www.medi1sat.ma/fr/depeche.aspx?idp=2312 671 # (French) 672 # 673 # Our summary: 674 # http://www.timeanddate.com/news/time/morocco-starts-dst-2009.html 675 676 # From Alexander Krivenyshev (2009-03-17): 677 # Here is a link to official document from Royaume du Maroc Premier Ministre, 678 # Ministère de la Modernisation des Secteurs Publics 679 # 680 # Under Article 1 of Royal Decree No. 455-67 of Act 23 safar 1387 (2 June 1967) 681 # concerning the amendment of the legal time, the Ministry of Modernization of 682 # Public Sectors announced that the official time in the Kingdom will be 683 # advanced 60 minutes from Sunday 31 May 2009 at midnight. 684 # 685 # http://www.mmsp.gov.ma/francais/Actualites_fr/PDF_Actualites_Fr/HeureEte_FR.pdf 686 # http://www.worldtimezone.com/dst_news/dst_news_morocco03.html 687 688 # From Steffen Thorsen (2010-04-13): 689 # Several news media in Morocco report that the Ministry of Modernization 690 # of Public Sectors has announced that Morocco will have DST from 691 # 2010-05-02 to 2010-08-08. 692 # 693 # Example: 694 # http://www.lavieeco.com/actualites/4099-le-maroc-passera-a-l-heure-d-ete-gmt1-le-2-mai.html 695 # (French) 696 # Our page: 697 # http://www.timeanddate.com/news/time/morocco-starts-dst-2010.html 698 699 # From Dan Abitol (2011-03-30): 700 # ...Rules for Africa/Casablanca are the following (24h format) 701 # The 3rd April 2011 at 00:00:00, [it] will be 3rd April 01:00:00 702 # The 31st July 2011 at 00:59:59, [it] will be 31st July 00:00:00 703 # ...Official links of change in morocco 704 # The change was broadcast on the FM Radio 705 # I ve called ANRT (telecom regulations in Morocco) at 706 # +212.537.71.84.00 707 # http://www.anrt.net.ma/fr/ 708 # They said that 709 # http://www.map.ma/fr/sections/accueil/l_heure_legale_au_ma/view 710 # is the official publication to look at. 711 # They said that the decision was already taken. 712 # 713 # More articles in the press 714 # http://www.yabiladi.com/articles/details/5058/secret-l-heure-d-ete-maroc-leve.html 715 # http://www.lematin.ma/Actualite/Express/Article.asp?id=148923 716 # http://www.lavieeco.com/actualite/Le-Maroc-passe-sur-GMT%2B1-a-partir-de-dim 717 718 # From Petr Machata (2011-03-30): 719 # They have it written in English here: 720 # http://www.map.ma/eng/sections/home/morocco_to_spring_fo/view 721 # 722 # It says there that "Morocco will resume its standard time on July 31, 723 # 2011 at midnight." Now they don't say whether they mean midnight of 724 # wall clock time (i.e. 11pm UTC), but that's what I would assume. It has 725 # also been like that in the past. 726 727 # From Alexander Krivenyshev (2012-03-09): 728 # According to Infomédiaire web site from Morocco (infomediaire.ma), 729 # on March 9, 2012, (in French) Heure légale: 730 # Le Maroc adopte officiellement l'heure d'été 731 # http://www.infomediaire.ma/news/maroc/heure-l%C3%A9gale-le-maroc-adopte-officiellement-lheure-d%C3%A9t%C3%A9 732 # Governing Council adopted draft decree, that Morocco DST starts on 733 # the last Sunday of March (March 25, 2012) and ends on 734 # last Sunday of September (September 30, 2012) 735 # except the month of Ramadan. 736 # or (brief) 737 # http://www.worldtimezone.com/dst_news/dst_news_morocco06.html 738 739 # From Arthur David Olson (2012-03-10): 740 # The infomediaire.ma source indicates that the system is to be in 741 # effect every year. It gives 03H00 as the "fall back" time of day; 742 # it lacks a "spring forward" time of day; assume 2:00 XXX. 743 # Wait on specifying the Ramadan exception for details about 744 # start date, start time of day, end date, and end time of day XXX. 745 746 # From Christophe Tropamer (2012-03-16): 747 # Seen Morocco change again: 748 # http://www.le2uminutes.com/actualite.php 749 # "...à partir du dernier dimanche d'avril et non fins mars, 750 # comme annoncé précédemment." 751 752 # From Milamber Space Network (2012-07-17): 753 # The official return to GMT is announced by the Moroccan government: 754 # http://www.mmsp.gov.ma/fr/actualites.aspx?id=288 [in French] 755 # 756 # Google translation, lightly edited: 757 # Back to the standard time of the Kingdom (GMT) 758 # Pursuant to Decree No. 2-12-126 issued on 26 Jumada (I) 1433 (April 18, 759 # 2012) and in accordance with the order of Mr. President of the 760 # Government No. 3-47-12 issued on 24 Sha'ban (11 July 2012), the Ministry 761 # of Public Service and Administration Modernization announces the return 762 # of the legal time of the Kingdom (GMT) from Friday, July 20, 2012 until 763 # Monday, August 20, 2012. So the time will be delayed by 60 minutes from 764 # 3:00 am Friday, July 20, 2012 and will again be advanced by 60 minutes 765 # August 20, 2012 from 2:00 am. 766 767 # From Paul Eggert (2013-03-06): 768 # Morocco's daylight-saving transitions due to Ramadan seem to be 769 # announced a bit in advance. On 2012-07-11 the Moroccan government 770 # announced that year's Ramadan daylight-saving transitions would be 771 # 2012-07-20 and 2012-08-20; see 772 # http://www.mmsp.gov.ma/fr/actualites.aspx?id=288 773 774 # From Andrew Paprocki (2013-07-02): 775 # Morocco announced that the year's Ramadan daylight-savings 776 # transitions would be 2013-07-07 and 2013-08-10; see: 777 # http://www.maroc.ma/en/news/morocco-suspends-daylight-saving-time-july-7-aug10 778 779 # From Steffen Thorsen (2013-09-28): 780 # Morocco extends DST by one month, on very short notice, just 1 day 781 # before it was going to end. There is a new decree (2.13.781) for 782 # this, where DST from now on goes from last Sunday of March at 02:00 783 # to last Sunday of October at 03:00, similar to EU rules. Official 784 # source (French): 785 # http://www.maroc.gov.ma/fr/actualites/lhoraire-dete-gmt1-maintenu-jusquau-27-octobre-2013 786 # Another source (specifying the time for start and end in the decree): 787 # http://www.lemag.ma/Heure-d-ete-au-Maroc-jusqu-au-27-octobre_a75620.html 788 789 # From Sebastien Willemijns (2014-03-18): 790 # http://www.afriquinfos.com/articles/2014/3/18/maroc-heure-dete-avancez-tous-horloges-247891.asp 791 792 # From Milamber Space Network (2014-06-05): 793 # The Moroccan government has recently announced that the country will return 794 # to standard time at 03:00 on Saturday, June 28, 2014 local time.... DST 795 # will resume again at 02:00 on Saturday, August 2, 2014.... 796 # http://www.mmsp.gov.ma/fr/actualites.aspx?id=586 797 798 # From Milamber (2015-06-08): 799 # (Google Translation) The hour will thus be delayed 60 minutes 800 # Sunday, June 14 at 3:00, the ministry said in a statement, adding 801 # that the time will be advanced again 60 minutes Sunday, July 19, 802 # 2015 at 2:00. The move comes under 2.12.126 Decree of 26 Jumada I 803 # 1433 (18 April 2012) and the decision of the Head of Government of 804 # 16 N. 3-29-15 Chaaban 1435 (4 June 2015). 805 # Source (french): 806 # http://lnt.ma/le-maroc-reculera-dune-heure-le-dimanche-14-juin/ 807 # 808 # From Milamber (2015-06-09): 809 # http://www.mmsp.gov.ma/fr/actualites.aspx?id=863 810 # 811 # From Michael Deckers (2015-06-09): 812 # [The gov.ma announcement] would (probably) make the switch on 2015-07-19 go 813 # from 03:00 to 04:00 rather than from 02:00 to 03:00, as in the patch.... 814 # I think the patch is correct and the quoted text is wrong; the text in 815 # <http://lnt.ma/le-maroc-reculera-dune-heure-le-dimanche-14-juin/> agrees 816 # with the patch. 817 818 # From Paul Eggert (2015-06-08): 819 # For now, guess that later spring and fall transitions will use 2015's rules, 820 # and guess that Morocco will switch to standard time at 03:00 the last 821 # Sunday before Ramadan, and back to DST at 02:00 the first Sunday after 822 # Ramadan. To implement this, transition dates for 2016 through 2037 were 823 # determined by running the following program under GNU Emacs 24.3, with the 824 # results integrated by hand into the table below. 825 # (let ((islamic-year 1437)) 826 # (require 'cal-islam) 827 # (while (< islamic-year 1460) 828 # (let ((a (calendar-islamic-to-absolute (list 9 1 islamic-year))) 829 # (b (calendar-islamic-to-absolute (list 10 1 islamic-year))) 830 # (sunday 0)) 831 # (while (/= sunday (mod (setq a (1- a)) 7))) 832 # (while (/= sunday (mod b 7)) 833 # (setq b (1+ b))) 834 # (setq a (calendar-gregorian-from-absolute a)) 835 # (setq b (calendar-gregorian-from-absolute b)) 836 # (insert 837 # (format 838 # (concat "Rule\tMorocco\t%d\tonly\t-\t%s\t%2d\t 3:00\t0\t-\n" 839 # "Rule\tMorocco\t%d\tonly\t-\t%s\t%2d\t 2:00\t1:00\tS\n") 840 # (car (cdr (cdr a))) (calendar-month-name (car a) t) (car (cdr a)) 841 # (car (cdr (cdr b))) (calendar-month-name (car b) t) (car (cdr b))))) 842 # (setq islamic-year (+ 1 islamic-year)))) 843 844 # RULE NAME FROM TO TYPE IN ON AT SAVE LETTER/S 845 846 Rule Morocco 1939 only - Sep 12 0:00 1:00 S 847 Rule Morocco 1939 only - Nov 19 0:00 0 - 848 Rule Morocco 1940 only - Feb 25 0:00 1:00 S 849 Rule Morocco 1945 only - Nov 18 0:00 0 - 850 Rule Morocco 1950 only - Jun 11 0:00 1:00 S 851 Rule Morocco 1950 only - Oct 29 0:00 0 - 852 Rule Morocco 1967 only - Jun 3 12:00 1:00 S 853 Rule Morocco 1967 only - Oct 1 0:00 0 - 854 Rule Morocco 1974 only - Jun 24 0:00 1:00 S 855 Rule Morocco 1974 only - Sep 1 0:00 0 - 856 Rule Morocco 1976 1977 - May 1 0:00 1:00 S 857 Rule Morocco 1976 only - Aug 1 0:00 0 - 858 Rule Morocco 1977 only - Sep 28 0:00 0 - 859 Rule Morocco 1978 only - Jun 1 0:00 1:00 S 860 Rule Morocco 1978 only - Aug 4 0:00 0 - 861 Rule Morocco 2008 only - Jun 1 0:00 1:00 S 862 Rule Morocco 2008 only - Sep 1 0:00 0 - 863 Rule Morocco 2009 only - Jun 1 0:00 1:00 S 864 Rule Morocco 2009 only - Aug 21 0:00 0 - 865 Rule Morocco 2010 only - May 2 0:00 1:00 S 866 Rule Morocco 2010 only - Aug 8 0:00 0 - 867 Rule Morocco 2011 only - Apr 3 0:00 1:00 S 868 Rule Morocco 2011 only - Jul 31 0:00 0 - 869 Rule Morocco 2012 2013 - Apr lastSun 2:00 1:00 S 870 Rule Morocco 2012 only - Jul 20 3:00 0 - 871 Rule Morocco 2012 only - Aug 20 2:00 1:00 S 872 Rule Morocco 2012 only - Sep 30 3:00 0 - 873 Rule Morocco 2013 only - Jul 7 3:00 0 - 874 Rule Morocco 2013 only - Aug 10 2:00 1:00 S 875 Rule Morocco 2013 max - Oct lastSun 3:00 0 - 876 Rule Morocco 2014 2021 - Mar lastSun 2:00 1:00 S 877 Rule Morocco 2014 only - Jun 28 3:00 0 - 878 Rule Morocco 2014 only - Aug 2 2:00 1:00 S 879 Rule Morocco 2015 only - Jun 14 3:00 0 - 880 Rule Morocco 2015 only - Jul 19 2:00 1:00 S 881 Rule Morocco 2016 only - Jun 5 3:00 0 - 882 Rule Morocco 2016 only - Jul 10 2:00 1:00 S 883 Rule Morocco 2017 only - May 21 3:00 0 - 884 Rule Morocco 2017 only - Jul 2 2:00 1:00 S 885 Rule Morocco 2018 only - May 13 3:00 0 - 886 Rule Morocco 2018 only - Jun 17 2:00 1:00 S 887 Rule Morocco 2019 only - May 5 3:00 0 - 888 Rule Morocco 2019 only - Jun 9 2:00 1:00 S 889 Rule Morocco 2020 only - Apr 19 3:00 0 - 890 Rule Morocco 2020 only - May 24 2:00 1:00 S 891 Rule Morocco 2021 only - Apr 11 3:00 0 - 892 Rule Morocco 2021 only - May 16 2:00 1:00 S 893 Rule Morocco 2022 only - May 8 2:00 1:00 S 894 Rule Morocco 2023 only - Apr 23 2:00 1:00 S 895 Rule Morocco 2024 only - Apr 14 2:00 1:00 S 896 Rule Morocco 2025 only - Apr 6 2:00 1:00 S 897 Rule Morocco 2026 max - Mar lastSun 2:00 1:00 S 898 Rule Morocco 2036 only - Oct 19 3:00 0 - 899 Rule Morocco 2037 only - Oct 4 3:00 0 - 900 901 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 902 Zone Africa/Casablanca -0:30:20 - LMT 1913 Oct 26 903 0:00 Morocco WE%sT 1984 Mar 16 904 1:00 - CET 1986 905 0:00 Morocco WE%sT 906 907 # Western Sahara 908 # 909 # From Gwillim Law (2013-10-22): 910 # A correspondent who is usually well informed about time zone matters 911 # ... says that Western Sahara observes daylight saving time, just as 912 # Morocco does. 913 # 914 # From Paul Eggert (2013-10-23): 915 # Assume that this has been true since Western Sahara switched to GMT, 916 # since most of it was then controlled by Morocco. 917 918 Zone Africa/El_Aaiun -0:52:48 - LMT 1934 Jan # El Aaiún 919 -1:00 - -01 1976 Apr 14 920 0:00 Morocco WE%sT 921 922 # Mozambique 923 # 924 # Shanks gives 1903-03-01 for the transition to CAT. 925 # Perhaps the 1911-05-26 Portuguese decree 926 # https://dre.pt/pdf1sdip/1911/05/12500/23132313.pdf 927 # merely made it official? 928 # 929 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 930 Zone Africa/Maputo 2:10:20 - LMT 1903 Mar 931 2:00 - CAT 932 Link Africa/Maputo Africa/Blantyre # Malawi 933 Link Africa/Maputo Africa/Bujumbura # Burundi 934 Link Africa/Maputo Africa/Gaborone # Botswana 935 Link Africa/Maputo Africa/Harare # Zimbabwe 936 Link Africa/Maputo Africa/Kigali # Rwanda 937 Link Africa/Maputo Africa/Lubumbashi # E Dem. Rep. of Congo 938 Link Africa/Maputo Africa/Lusaka # Zambia 939 940 # Namibia 941 # The 1994-04-03 transition is from Shanks & Pottenger. 942 # Shanks & Pottenger report no DST after 1998-04; go with IATA. 943 944 # From Petronella Sibeene (2007-03-30): 945 # http://allafrica.com/stories/200703300178.html 946 # While the entire country changes its time, Katima Mulilo and other 947 # settlements in Caprivi unofficially will not because the sun there 948 # rises and sets earlier compared to other regions. Chief of 949 # Forecasting Riaan van Zyl explained that the far eastern parts of 950 # the country are close to 40 minutes earlier in sunrise than the rest 951 # of the country. 952 # 953 # From Paul Eggert (2017-02-22): 954 # Although the Zambezi Region (formerly known as Caprivi) informally 955 # observes Botswana time, we have no details about historical practice. 956 # In the meantime people there can use Africa/Gaborone. 957 # See: Immanuel S. The Namibian. 2017-02-23. 958 # http://www.namibian.com.na/51480/read/Time-change-divides-lawmakers 959 960 # RULE NAME FROM TO TYPE IN ON AT SAVE LETTER/S 961 Rule Namibia 1994 max - Sep Sun>=1 2:00 1:00 S 962 Rule Namibia 1995 max - Apr Sun>=1 2:00 0 - 963 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 964 Zone Africa/Windhoek 1:08:24 - LMT 1892 Feb 8 965 1:30 - +0130 1903 Mar 966 2:00 - SAST 1942 Sep 20 2:00 967 2:00 1:00 SAST 1943 Mar 21 2:00 968 2:00 - SAST 1990 Mar 21 # independence 969 2:00 - CAT 1994 Apr 3 970 1:00 Namibia WA%sT 971 972 # Niger 973 # See Africa/Lagos. 974 975 # Nigeria 976 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 977 Zone Africa/Lagos 0:13:36 - LMT 1919 Sep 978 1:00 - WAT 979 Link Africa/Lagos Africa/Bangui # Central African Republic 980 Link Africa/Lagos Africa/Brazzaville # Rep. of the Congo 981 Link Africa/Lagos Africa/Douala # Cameroon 982 Link Africa/Lagos Africa/Kinshasa # Dem. Rep. of the Congo (west) 983 Link Africa/Lagos Africa/Libreville # Gabon 984 Link Africa/Lagos Africa/Luanda # Angola 985 Link Africa/Lagos Africa/Malabo # Equatorial Guinea 986 Link Africa/Lagos Africa/Niamey # Niger 987 Link Africa/Lagos Africa/Porto-Novo # Benin 988 989 # Réunion 990 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 991 Zone Indian/Reunion 3:41:52 - LMT 1911 Jun # Saint-Denis 992 4:00 - +04 993 # 994 # Crozet Islands also observes Réunion time; see the 'antarctica' file. 995 # 996 # Scattered Islands (Îles Éparses) administered from Réunion are as follows. 997 # The following information about them is taken from 998 # Îles Éparses (<http://www.outre-mer.gouv.fr/domtom/ile.htm>, 1997-07-22, 999 # in French; no longer available as of 1999-08-17). 1000 # We have no info about their time zone histories. 1001 # 1002 # Bassas da India - uninhabited 1003 # Europa Island - inhabited from 1905 to 1910 by two families 1004 # Glorioso Is - inhabited until at least 1958 1005 # Juan de Nova - uninhabited 1006 # Tromelin - inhabited until at least 1958 1007 1008 # Rwanda 1009 # See Africa/Maputo. 1010 1011 # St Helena 1012 # See Africa/Abidjan. 1013 # The other parts of the St Helena territory are similar: 1014 # Tristan da Cunha: on GMT, say Whitman and the CIA 1015 # Ascension: on GMT, say the USNO (1995-12-21) and the CIA 1016 # Gough (scientific station since 1955; sealers wintered previously): 1017 # on GMT, says the CIA 1018 # Inaccessible, Nightingale: uninhabited 1019 1020 # São Tomé and Príncipe 1021 # Senegal 1022 # See Africa/Abidjan. 1023 1024 # Seychelles 1025 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1026 Zone Indian/Mahe 3:41:48 - LMT 1906 Jun # Victoria 1027 4:00 - +04 1028 # From Paul Eggert (2001-05-30): 1029 # Aldabra, Farquhar, and Desroches, originally dependencies of the 1030 # Seychelles, were transferred to the British Indian Ocean Territory 1031 # in 1965 and returned to Seychelles control in 1976. We don't know 1032 # whether this affected their time zone, so omit this for now. 1033 # Possibly the islands were uninhabited. 1034 1035 # Sierra Leone 1036 # See Africa/Abidjan. 1037 1038 # Somalia 1039 # See Africa/Nairobi. 1040 1041 # South Africa 1042 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1043 Rule SA 1942 1943 - Sep Sun>=15 2:00 1:00 - 1044 Rule SA 1943 1944 - Mar Sun>=15 2:00 0 - 1045 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1046 Zone Africa/Johannesburg 1:52:00 - LMT 1892 Feb 8 1047 1:30 - SAST 1903 Mar 1048 2:00 SA SAST 1049 Link Africa/Johannesburg Africa/Maseru # Lesotho 1050 Link Africa/Johannesburg Africa/Mbabane # Swaziland 1051 # 1052 # Marion and Prince Edward Is 1053 # scientific station since 1947 1054 # no information 1055 1056 # Sudan 1057 # 1058 # From <http://www.sunanews.net/sn13jane.html> 1059 # Sudan News Agency (2000-01-13), 1060 # also reported by Michaël De Beukelaer-Dossche via Steffen Thorsen: 1061 # Clocks will be moved ahead for 60 minutes all over the Sudan as of noon 1062 # Saturday.... This was announced Thursday by Caretaker State Minister for 1063 # Manpower Abdul-Rahman Nur-Eddin. 1064 # 1065 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1066 Rule Sudan 1970 only - May 1 0:00 1:00 S 1067 Rule Sudan 1970 1985 - Oct 15 0:00 0 - 1068 Rule Sudan 1971 only - Apr 30 0:00 1:00 S 1069 Rule Sudan 1972 1985 - Apr lastSun 0:00 1:00 S 1070 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1071 Zone Africa/Khartoum 2:10:08 - LMT 1931 1072 2:00 Sudan CA%sT 2000 Jan 15 12:00 1073 3:00 - EAT 1074 1075 # South Sudan 1076 Link Africa/Khartoum Africa/Juba 1077 1078 # Swaziland 1079 # See Africa/Johannesburg. 1080 1081 # Tanzania 1082 # See Africa/Nairobi. 1083 1084 # Togo 1085 # See Africa/Abidjan. 1086 1087 # Tunisia 1088 1089 # From Gwillim Law (2005-04-30): 1090 # My correspondent, Risto Nykänen, has alerted me to another adoption of DST, 1091 # this time in Tunisia. According to Yahoo France News 1092 # <http://fr.news.yahoo.com/050426/5/4dumk.html>, in a story attributed to AP 1093 # and dated 2005-04-26, "Tunisia has decided to advance its official time by 1094 # one hour, starting on Sunday, May 1. Henceforth, Tunisian time will be 1095 # UTC+2 instead of UTC+1. The change will take place at 23:00 UTC next 1096 # Saturday." (My translation) 1097 # 1098 # From Oscar van Vlijmen (2005-05-02): 1099 # La Presse, the first national daily newspaper ... 1100 # http://www.lapresse.tn/archives/archives280405/actualites/lheure.html 1101 # ... DST for 2005: on: Sun May 1 0h standard time, off: Fri Sept. 30, 1102 # 1h standard time. 1103 # 1104 # From Atef Loukil (2006-03-28): 1105 # The daylight saving time will be the same each year: 1106 # Beginning : the last Sunday of March at 02:00 1107 # Ending : the last Sunday of October at 03:00 ... 1108 # http://www.tap.info.tn/en/index.php?option=com_content&task=view&id=1188&Itemid=50 1109 1110 # From Steffen Thorsen (2009-03-16): 1111 # According to several news sources, Tunisia will not observe DST this year. 1112 # (Arabic) 1113 # http://www.elbashayer.com/?page=viewn&nid=42546 1114 # http://www.babnet.net/kiwidetail-15295.asp 1115 # 1116 # We have also confirmed this with the US embassy in Tunisia. 1117 # We have a wrap-up about this on the following page: 1118 # http://www.timeanddate.com/news/time/tunisia-cancels-dst-2009.html 1119 1120 # From Alexander Krivenyshev (2009-03-17): 1121 # Here is a link to Tunis Afrique Presse News Agency 1122 # 1123 # Standard time to be kept the whole year long (tap.info.tn): 1124 # 1125 # (in English) 1126 # http://www.tap.info.tn/en/index.php?option=com_content&task=view&id=26813&Itemid=157 1127 # 1128 # (in Arabic) 1129 # http://www.tap.info.tn/ar/index.php?option=com_content&task=view&id=61240&Itemid=1 1130 1131 # From Arthur David Olson (2009-03-18): 1132 # The Tunis Afrique Presse News Agency notice contains this: "This measure is 1133 # due to the fact that the fasting month of Ramadan coincides with the period 1134 # concerned by summer time. Therefore, the standard time will be kept 1135 # unchanged the whole year long." So foregoing DST seems to be an exception 1136 # (albeit one that may be repeated in the future). 1137 1138 # From Alexander Krivenyshev (2010-03-27): 1139 # According to some news reports Tunis confirmed not to use DST in 2010 1140 # 1141 # (translation): 1142 # "The Tunisian government has decided to abandon DST, which was scheduled on 1143 # Sunday... 1144 # Tunisian authorities had suspended the DST for the first time last year also 1145 # coincided with the month of Ramadan..." 1146 # 1147 # (in Arabic) 1148 # http://www.moheet.com/show_news.aspx?nid=358861&pg=1 1149 # http://www.almadenahnews.com/newss/news.php?c=118&id=38036 1150 # http://www.worldtimezone.com/dst_news/dst_news_tunis02.html 1151 1152 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1153 Rule Tunisia 1939 only - Apr 15 23:00s 1:00 S 1154 Rule Tunisia 1939 only - Nov 18 23:00s 0 - 1155 Rule Tunisia 1940 only - Feb 25 23:00s 1:00 S 1156 Rule Tunisia 1941 only - Oct 6 0:00 0 - 1157 Rule Tunisia 1942 only - Mar 9 0:00 1:00 S 1158 Rule Tunisia 1942 only - Nov 2 3:00 0 - 1159 Rule Tunisia 1943 only - Mar 29 2:00 1:00 S 1160 Rule Tunisia 1943 only - Apr 17 2:00 0 - 1161 Rule Tunisia 1943 only - Apr 25 2:00 1:00 S 1162 Rule Tunisia 1943 only - Oct 4 2:00 0 - 1163 Rule Tunisia 1944 1945 - Apr Mon>=1 2:00 1:00 S 1164 Rule Tunisia 1944 only - Oct 8 0:00 0 - 1165 Rule Tunisia 1945 only - Sep 16 0:00 0 - 1166 Rule Tunisia 1977 only - Apr 30 0:00s 1:00 S 1167 Rule Tunisia 1977 only - Sep 24 0:00s 0 - 1168 Rule Tunisia 1978 only - May 1 0:00s 1:00 S 1169 Rule Tunisia 1978 only - Oct 1 0:00s 0 - 1170 Rule Tunisia 1988 only - Jun 1 0:00s 1:00 S 1171 Rule Tunisia 1988 1990 - Sep lastSun 0:00s 0 - 1172 Rule Tunisia 1989 only - Mar 26 0:00s 1:00 S 1173 Rule Tunisia 1990 only - May 1 0:00s 1:00 S 1174 Rule Tunisia 2005 only - May 1 0:00s 1:00 S 1175 Rule Tunisia 2005 only - Sep 30 1:00s 0 - 1176 Rule Tunisia 2006 2008 - Mar lastSun 2:00s 1:00 S 1177 Rule Tunisia 2006 2008 - Oct lastSun 2:00s 0 - 1178 1179 # Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's 1180 # more precise 0:09:21. 1181 # Shanks & Pottenger say the 1911 switch was on Mar 9; go with Howse's Mar 11. 1182 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 1183 Zone Africa/Tunis 0:40:44 - LMT 1881 May 12 1184 0:09:21 - PMT 1911 Mar 11 # Paris Mean Time 1185 1:00 Tunisia CE%sT 1186 1187 # Uganda 1188 # See Africa/Nairobi. 1189 1190 # Zambia 1191 # Zimbabwe 1192 # See Africa/Maputo.