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- # @(#)africa 7.39
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+ # @(#)africa 8.3
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+ # <pre>
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# This data is by no means authoritative; if you think you know better,
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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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# Association's Standard Schedules Information Manual (IATA SSIM),
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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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# 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
@@ -74,7 +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
@@ -85,7 +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
@@ -105,7 +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
@@ -129,7 +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
@@ -228,9 +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
@@ -251,7 +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]
@@ -287,13 +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
@@ -323,7 +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
@@ -402,8 +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 -
@@ -487,7 +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
@@ -556,7 +561,6 @@ Zone Africa/Lome 0:04:52 - LMT 1893
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# Tunisia
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# From Gwillim Law (2005-04-30):
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- #
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# My correspondent, Risto Nykanen, has alerted me to another adoption of DST,
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# this time in Tunisia. According to Yahoo France News
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# <http://fr.news.yahoo.com/050426/5/4dumk.html>, in a story attributed to AP
@@ -570,6 +574,12 @@ Zone Africa/Lome 0:04:52 - LMT 1893
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# <http://www.lapresse.tn/archives/archives280405/actualites/lheure.html>
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# ... DST for 2005: on: Sun May 1 0h standard time, off: Fri Sept. 30,
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# 1h standard time.
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+ #
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+ # From Atef Loukil (2006-03-28):
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+ # The daylight saving time will be the same each year:
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+ # Beginning : the last Sunday of March at 02:00
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+ # Ending : the last Sunday of October at 03:00 ...
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+ # http://www.tap.info.tn/en/index.php?option=com_content&task=view&id=1188&Itemid=50
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Tunisia 1939 only - Apr 15 23:00s 1:00 S
@@ -595,8 +605,11 @@ 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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+ Rule Tunisia 2006 max - Mar lastSun 2:00s 1:00 S
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+ Rule Tunisia 2006 max - Oct lastSun 2:00s 0 -
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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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