< prev index next >
make/data/tzdata/africa
Print this page
*** 136,152 ****
# Cameroon
# See Africa/Lagos.
# Cape Verde / Cabo Verde
#
# 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?
#
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
! Zone Atlantic/Cape_Verde -1:34:04 - LMT 1907 # Praia
-2:00 - -02 1942 Sep
-2:00 1:00 -01 1945 Oct 15
-2:00 - -02 1975 Nov 25 2:00
-1:00 - -01
--- 136,152 ----
# Cameroon
# See Africa/Lagos.
# Cape Verde / Cabo Verde
#
+ # From Paul Eggert (2018-02-16):
# Shanks gives 1907 for the transition to +02.
! # 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 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
-1:00 - -01
*** 391,425 ****
# Gambia
# See Africa/Abidjan.
# Ghana
! # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
# 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
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Africa/Accra -0:00:52 - LMT 1918
0:00 Ghana GMT/+0020
# Guinea
# See Africa/Abidjan.
# Guinea-Bissau
#
# 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.
#
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
! Zone Africa/Bissau -1:02:20 - LMT 1912 Jan 1
-1:00 - -01 1975
0:00 - GMT
# Kenya
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
--- 391,444 ----
# Gambia
# See Africa/Abidjan.
# Ghana
!
! # From Paul Eggert (2018-01-30):
# Whitman says DST was observed from 1931 to "the present";
! # 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
# Guinea
# See Africa/Abidjan.
# 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
! # (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 1:00u
-1:00 - -01 1975
0:00 - GMT
# Kenya
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
*** 611,623 ****
# The "mauritius-dst-will-not-repeat" wrapup includes this:
# "The trial ended on March 29, 2009, when the clocks moved back by one hour
# 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 1983 only - Mar 21 0:00 0 -
! Rule Mauritius 2008 only - Oct lastSun 2:00 1:00 S
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
4:00 Mauritius +04/+05
# Agalega Is, Rodriguez
--- 630,642 ----
# The "mauritius-dst-will-not-repeat" wrapup includes this:
# "The trial ended on March 29, 2009, when the clocks moved back by one hour
# 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 -
Rule Mauritius 1983 only - Mar 21 0:00 0 -
! 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
4:00 Mauritius +04/+05
# Agalega Is, Rodriguez
*** 1058,1076 ****
# on GMT, says the CIA
# Inaccessible, Nightingale: uninhabited
# São Tomé and Príncipe
# From Steffen Thorsen (2018-01-08):
# Multiple sources tell that São Tomé changed from UTC to UTC+1 as
# they entered the year 2018.
# From Michael Deckers (2018-01-08):
# the switch is from 01:00 to 02:00 ... [Decree No. 25/2017]
# 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
0:00 - GMT 2018 Jan 1 01:00
1:00 - WAT
# Senegal
# See Africa/Abidjan.
--- 1077,1097 ----
# on GMT, says the CIA
# Inaccessible, Nightingale: uninhabited
# 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.
# From Michael Deckers (2018-01-08):
# the switch is from 01:00 to 02:00 ... [Decree No. 25/2017]
# 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 Jan 1 00:00u # Lisbon MT
0:00 - GMT 2018 Jan 1 01:00
1:00 - WAT
# Senegal
# See Africa/Abidjan.
< prev index next >