Branch: Tag:

2018-04-14

2018-04-14 12:23:58 by Henrik Grubbström (Grubba) <grubba@grubba.org>

Updated to tzdata2018d.

115:      # Cape Verde / Cabo Verde   # + # From Paul Eggert (2018-02-16):   # Shanks gives 1907 for the transition to +02. - # Perhaps the 1911-05-26 Portuguese decree - # https://dre.pt/pdf1sdip/1911/05/12500/23132313.pdf - # merely made it official? + # For now, ignore that and follow the 1911-05-26 Portuguese decree + # (see Europe/Lisbon).   #   # Zone NAME GMTOFF RULES FORMAT [UNTIL] - Zone Atlantic/Cape_Verde -1:34:04 - LMT 1907 # Praia + Zone Atlantic/Cape_Verde -1:34:04 - LMT 1912 Jan 01 2:00u # Praia    -2:00 - -02 1942 Sep    -2:00 1:00 -01 1945 Oct 15    -2:00 - -02 1975 Nov 25 2:00
370:   # See Africa/Abidjan.      # Ghana - # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S +  + # From Paul Eggert (2018-01-30):   # Whitman says DST was observed from 1931 to "the present"; - # Shanks & Pottenger say 1936 to 1942; - # and September 1 to January 1 is given by: - # Scott Keltie J, Epstein M (eds), The Statesman's Year-Book, - # 57th ed. Macmillan, London (1920), OCLC 609408015, pp xxviii. - # For lack of better info, assume DST was observed from 1920 to 1942. - Rule Ghana 1920 1942 - Sep 1 0:00 0:20 GHST - Rule Ghana 1920 1942 - Dec 31 0:00 0 GMT + # Shanks & Pottenger say 1936 to 1942 with 20 minutes of DST, + # with transitions on 09-01 and 12-31 at 00:00. + # Page 33 of Parish GCB, Colonial Reports - Annual. No. 1066. Gold + # Coast. Report for 1919. (March 1921), OCLC 784024077 + # http://libsysdigi.library.illinois.edu/ilharvest/africana/books2011-05/5530214/5530214_1919/5530214_1919_opt.pdf + # lists the Determination of the Time Ordinance, 1919, No. 18, + # "to advance the time observed locally by the space of twenty minutes + # during the last four months of each year; the object in view being + # to extend during those months the period of daylight-time available + # for evening recreation after office hours." + # Vanessa Ogle, The Global Transformation of Time, 1870-1950 (2015), p 33, + # writes "In 1919, the Gold Coast (Ghana as of 1957) made Greenwich + # time its legal time and simultaneously legalized a summer time of + # UTC - 00:20 minutes from March to October."; a footnote lists + # the ordinance as being dated 1919-11-24. + # The Crown Colonist, Volume 12 (1942), p 176, says "the Government + # intend advancing Gold Coast time half an hour ahead of G.M.T. + # The actual date of the alteration has not yet been announced." + # These sources are incomplete and contradictory. Possibly what is + # now Ghana observed different DST regimes in different years. For + # lack of better info, use Shanks except treat the minus sign as a + # typo, and assume DST started in 1920 not 1936. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S + Rule Ghana 1920 1942 - Sep 1 0:00 0:20 - + Rule Ghana 1920 1942 - Dec 31 0:00 0 -   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone Africa/Accra -0:00:52 - LMT 1918    0:00 Ghana GMT/+0020
388:      # Guinea-Bissau   # + # From Paul Eggert (2018-02-16):   # Shanks gives 1911-05-26 for the transition to WAT,   # evidently confusing the date of the Portuguese decree - # https://dre.pt/pdf1sdip/1911/05/12500/23132313.pdf - # with the date that it took effect, namely 1912-01-01. + # (see Europe/Lisbon) with the date that it took effect.   #   # Zone NAME GMTOFF RULES FORMAT [UNTIL] - Zone Africa/Bissau -1:02:20 - LMT 1912 Jan 1 + Zone Africa/Bissau -1:02:20 - LMT 1912 Jan 1 1:00u    -1:00 - -01 1975    0:00 - GMT   
590:   # at 2am (or 02:00) local time..."      # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule Mauritius 1982 only - Oct 10 0:00 1:00 S + Rule Mauritius 1982 only - Oct 10 0:00 1:00 -   Rule Mauritius 1983 only - Mar 21 0:00 0 - - Rule Mauritius 2008 only - Oct lastSun 2:00 1:00 S + Rule Mauritius 2008 only - Oct lastSun 2:00 1:00 -   Rule Mauritius 2009 only - Mar lastSun 2:00 0 -   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone Indian/Mauritius 3:50:00 - LMT 1907 # Port Louis
1037:      # São Tomé and Príncipe    + # See Europe/Lisbon for info about the 1912 transition. +    # From Steffen Thorsen (2018-01-08):   # Multiple sources tell that São Tomé changed from UTC to UTC+1 as   # they entered the year 2018.
1045:   # http://www.mnec.gov.st/index.php/publicacoes/documentos/file/90-decreto-lei-n-25-2017      Zone Africa/Sao_Tome 0:26:56 - LMT 1884 -  -0:36:45 - LMT 1912 # Lisbon Mean Time +  -0:36:45 - LMT 1912 Jan 1 00:00u # Lisbon MT    0:00 - GMT 2018 Jan 1 01:00    1:00 - WAT