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2006-03-22 Eggert mods
SCCS-file: africa SCCS-SID: 8.2
This commit is contained in:
Arthur David Olson
committed by
Paul Eggert
Paul Eggert
parent
feba4a1a34
commit
6d4ca8aa87
53
africa
53
africa
@ -5,11 +5,11 @@
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# go ahead and edit the file (and please send any changes to
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# tz@elsie.nci.nih.gov for general use in the future).
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# From Paul Eggert (1999-03-22):
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# From Paul Eggert (2006-03-22):
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#
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# A good source for time zone historical data outside the U.S. is
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# Thomas G. Shanks, The International Atlas (5th edition),
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# San Diego: ACS Publications, Inc. (1999).
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# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
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# San Diego: ACS Publications, Inc. (2003).
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#
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# Gwillim Law writes that a good source
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# for recent time zone data is the International Air Transport
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@ -17,8 +17,8 @@
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# published semiannually. Law sent in several helpful summaries
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# of the IATA's data after 1990.
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#
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# Except where otherwise noted, Shanks is the source for entries through 1990,
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# and IATA SSIM is the source for entries after 1990.
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# Except where otherwise noted, Shanks & Pottenger is the source for
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# entries through 1990, and IATA SSIM is the source for entries afterwards.
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#
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# Another source occasionally used is Edward W. Whitman, World Time Differences,
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# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
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@ -65,7 +65,7 @@
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# Algeria
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Algeria 1916 only - Jun 14 23:00s 1:00 S
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Rule Algeria 1916 1919 - Oct Sun<=7 23:00s 0 -
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Rule Algeria 1916 1919 - Oct Sun>=1 23:00s 0 -
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Rule Algeria 1917 only - Mar 24 23:00s 1:00 S
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Rule Algeria 1918 only - Mar 9 23:00s 1:00 S
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Rule Algeria 1919 only - Mar 1 23:00s 1:00 S
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@ -75,7 +75,7 @@ Rule Algeria 1921 only - Mar 14 23:00s 1:00 S
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Rule Algeria 1921 only - Jun 21 23:00s 0 -
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Rule Algeria 1939 only - Sep 11 23:00s 1:00 S
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Rule Algeria 1939 only - Nov 19 1:00 0 -
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Rule Algeria 1944 1945 - Apr Mon<=7 2:00 1:00 S
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Rule Algeria 1944 1945 - Apr Mon>=1 2:00 1:00 S
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Rule Algeria 1944 only - Oct 8 2:00 0 -
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Rule Algeria 1945 only - Sep 16 1:00 0 -
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Rule Algeria 1971 only - Apr 25 23:00s 1:00 S
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@ -86,7 +86,8 @@ Rule Algeria 1978 only - Mar 24 1:00 1:00 S
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Rule Algeria 1978 only - Sep 22 3:00 0 -
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Rule Algeria 1980 only - Apr 25 0:00 1:00 S
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Rule Algeria 1980 only - Oct 31 2:00 0 -
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# Shanks gives 0:09 for Paris Mean Time; go with Howse's more precise 0:09:21.
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# Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's
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# more precise 0:09:21.
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Africa/Algiers 0:12:12 - LMT 1891 Mar 15 0:01
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0:09:21 - PMT 1911 Mar 11 # Paris Mean Time
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@ -106,7 +107,8 @@ Zone Africa/Luanda 0:52:56 - LMT 1892
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1:00 - WAT
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# Benin
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# Whitman says they switched to 1:00 in 1946, not 1934; go with Shanks.
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# Whitman says they switched to 1:00 in 1946, not 1934;
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# go with Shanks & Pottenger.
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Africa/Porto-Novo 0:10:28 - LMT 1912
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0:00 - GMT 1934 Feb 26
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@ -130,7 +132,7 @@ Zone Africa/Bujumbura 1:57:28 - LMT 1890
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2:00 - CAT
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# Cameroon
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# Whitman says they switched to 1:00 in 1920; go with Shanks.
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# Whitman says they switched to 1:00 in 1920; go with Shanks & Pottenger.
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Africa/Douala 0:38:48 - LMT 1912
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1:00 - WAT
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@ -229,9 +231,9 @@ Zone Africa/Asmera 2:35:32 - LMT 1870
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3:00 - EAT
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# Ethiopia
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# From Paul Eggert (1997-10-05):
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# Shanks writes that Ethiopia had six narrowly-spaced time zones between
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# 1870 and 1890, and that they merged to 38E50 (2:35:20) in 1890.
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# From Paul Eggert (2006-03-22):
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# Shanks & Pottenger write that Ethiopia had six narrowly-spaced time zones
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# between 1870 and 1890, and that they merged to 38E50 (2:35:20) in 1890.
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# We'll guess that 38E50 is for Adis Dera.
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Africa/Addis_Ababa 2:34:48 - LMT 1870
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@ -252,7 +254,8 @@ Zone Africa/Banjul -1:06:36 - LMT 1912
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# Ghana
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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# Whitman says DST was observed from 1931 to ``the present''; go with Shanks.
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# Whitman says DST was observed from 1931 to ``the present'';
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# go with Shanks & Pottenger.
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Rule Ghana 1936 1942 - Sep 1 0:00 0:20 GHST
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Rule Ghana 1936 1942 - Dec 31 0:00 0 GMT
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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@ -288,13 +291,14 @@ Zone Africa/Maseru 1:50:00 - LMT 1903 Mar
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2:00 - SAST
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# Liberia
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# From Paul Eggert (2001-07-17):
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# From Paul Eggert (2006-03-22):
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# In 1972 Liberia was the last country to switch
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# from a UTC offset that was not a multiple of 15 or 20 minutes.
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# Howse reports that it was in honor of their president's birthday.
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# Shanks reports the date as May 1, whereas Howse reports Jan; go with Shanks.
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# For Liberia before 1972, Shanks reports -0:44, whereas Howse and Whitman
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# each report -0:44:30; go with the more precise figure.
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# Shank & Pottenger report the date as May 1, whereas Howse reports Jan;
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# go with Shanks & Pottenger.
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# For Liberia before 1972, Shanks & Pottenger report -0:44, whereas Howse and
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# Whitman each report -0:44:30; go with the more precise figure.
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Africa/Monrovia -0:43:08 - LMT 1882
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-0:43:08 - MMT 1919 Mar # Monrovia Mean Time
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@ -324,7 +328,7 @@ Zone Africa/Tripoli 0:52:44 - LMT 1920
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1:00 Libya CE%sT 1959
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2:00 - EET 1982
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1:00 Libya CE%sT 1990 May 4
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# The following entries are all from Shanks;
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# The following entries are from Shanks & Pottenger;
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# the IATA SSIM data contain some obvious errors.
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2:00 - EET 1996 Sep 30
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1:00 - CET 1997 Apr 4
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@ -403,8 +407,8 @@ Zone Africa/Maputo 2:10:20 - LMT 1903 Mar
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2:00 - CAT
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# Namibia
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# The 1994-04-03 transition is from Shanks.
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# Shanks reports no DST after 1998-04; go with IATA.
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# The 1994-04-03 transition is from Shanks & Pottenger.
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# Shanks & Pottenger report no DST after 1998-04; go with IATA.
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# RULE NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Namibia 1994 max - Sep Sun>=1 2:00 1:00 S
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Rule Namibia 1995 max - Apr Sun>=1 2:00 0 -
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@ -488,7 +492,7 @@ Zone Indian/Mahe 3:41:48 - LMT 1906 Jun # Victoria
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# Sierra Leone
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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# Whitman gives Mar 31 - Aug 31 for 1931 on; go with Shanks.
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# Whitman gives Mar 31 - Aug 31 for 1931 on; go with Shanks & Pottenger.
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Rule SL 1935 1942 - Jun 1 0:00 0:40 SLST
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Rule SL 1935 1942 - Oct 1 0:00 0 WAT
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Rule SL 1957 1962 - Jun 1 0:00 1:00 SLST
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@ -596,8 +600,9 @@ Rule Tunisia 1989 only - Mar 26 0:00s 1:00 S
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Rule Tunisia 1990 only - May 1 0:00s 1:00 S
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Rule Tunisia 2005 only - May 1 0:00s 1:00 S
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Rule Tunisia 2005 only - Sep 30 1:00s 0 -
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# Shanks gives 0:09 for Paris Mean Time; go with Howse's more precise 0:09:21.
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# Shanks says the 1911 switch occurred on Mar 9; go with Howse's Mar 11.
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# Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's
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# more precise 0:09:21.
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# Shanks & Pottenger say the 1911 switch was on Mar 9; go with Howse's Mar 11.
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Africa/Tunis 0:40:44 - LMT 1881 May 12
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0:09:21 - PMT 1911 Mar 11 # Paris Mean Time
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