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*** 27,37 **** # also includes Central America and the Caribbean # This data is by no means authoritative; if you think you know better, # go ahead and edit the file (and please send any changes to ! # tz@elsie.nci.nih.gov for general use in the future). # From Paul Eggert (1999-03-22): # A reliable and entertaining source about time zones is # Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). --- 27,37 ---- # also includes Central America and the Caribbean # This data is by no means authoritative; if you think you know better, # go ahead and edit the file (and please send any changes to ! # tz@iana.org for general use in the future). # From Paul Eggert (1999-03-22): # A reliable and entertaining source about time zones is # Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
*** 1040,1049 **** --- 1040,1052 ---- # # <a href="http://www.pettswoodvillage.co.uk/Daylight_Savings_William_Willett.pdf"> # William Willett, The Waste of Daylight, 19th edition # </a> (1914-03) # + # Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94 + # <http://www.jstor.org/stable/1774359>. + # # See the `europe' file for Greenland. # Canada # From Alain LaBont<e'> (1994-11-14):
*** 2575,2607 **** -5:00 - EST 1951 -4:00 - AST # Bahamas # # From Sue Williams (2006-12-07): # The Bahamas announced about a month ago that they plan to change their DST # rules to sync with the U.S. starting in 2007.... # http://www.jonesbahamas.com/?c=45&a=10412 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Bahamas 1964 1975 - Oct lastSun 2:00 0 S Rule Bahamas 1964 1975 - Apr lastSun 2:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] ! Zone America/Nassau -5:09:24 - LMT 1912 Mar 2 -5:00 Bahamas E%sT 1976 -5:00 US E%sT # Barbados # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Barb 1977 only - Jun 12 2:00 1:00 D Rule Barb 1977 1978 - Oct Sun>=1 2:00 0 S Rule Barb 1978 1980 - Apr Sun>=15 2:00 1:00 D Rule Barb 1979 only - Sep 30 2:00 0 S Rule Barb 1980 only - Sep 25 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] ! Zone America/Barbados -3:58:28 - LMT 1924 # Bridgetown ! -3:58:28 - BMT 1932 # Bridgetown Mean Time -4:00 Barb A%sT # Belize # Whitman entirely disagrees with Shanks; go with Shanks & Pottenger. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S --- 2578,2615 ---- -5:00 - EST 1951 -4:00 - AST # Bahamas # + # For 1899 Milne gives -5:09:29.5; round that. + # # From Sue Williams (2006-12-07): # The Bahamas announced about a month ago that they plan to change their DST # rules to sync with the U.S. starting in 2007.... # http://www.jonesbahamas.com/?c=45&a=10412 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Bahamas 1964 1975 - Oct lastSun 2:00 0 S Rule Bahamas 1964 1975 - Apr lastSun 2:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] ! Zone America/Nassau -5:09:30 - LMT 1912 Mar 2 -5:00 Bahamas E%sT 1976 -5:00 US E%sT # Barbados + + # For 1899 Milne gives -3:58:29.2; round that. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Barb 1977 only - Jun 12 2:00 1:00 D Rule Barb 1977 1978 - Oct Sun>=1 2:00 0 S Rule Barb 1978 1980 - Apr Sun>=15 2:00 1:00 D Rule Barb 1979 only - Sep 30 2:00 0 S Rule Barb 1980 only - Sep 25 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] ! Zone America/Barbados -3:58:29 - LMT 1924 # Bridgetown ! -3:58:29 - BMT 1932 # Bridgetown Mean Time -4:00 Barb A%sT # Belize # Whitman entirely disagrees with Shanks; go with Shanks & Pottenger. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
*** 2615,2634 **** Zone America/Belize -5:52:48 - LMT 1912 Apr -6:00 Belize C%sT # Bermuda # From Dan Jones, reporting in The Royal Gazette (2006-06-26): # Next year, however, clocks in the US will go forward on the second Sunday # in March, until the first Sunday in November. And, after the Time Zone # (Seasonal Variation) Bill 2006 was passed in the House of Assembly on # Friday, the same thing will happen in Bermuda. # http://www.theroyalgazette.com/apps/pbcs.dll/article?AID=/20060529/NEWS/105290135 # Zone NAME GMTOFF RULES FORMAT [UNTIL] ! Zone Atlantic/Bermuda -4:19:04 - LMT 1930 Jan 1 2:00 # Hamilton -4:00 - AST 1974 Apr 28 2:00 -4:00 Bahamas A%sT 1976 -4:00 US A%sT # Cayman Is --- 2623,2645 ---- Zone America/Belize -5:52:48 - LMT 1912 Apr -6:00 Belize C%sT # Bermuda + # For 1899 Milne gives -4:19:18.3 as the meridian of the clock tower, + # Bermuda dockyard, Ireland I; round that. + # From Dan Jones, reporting in The Royal Gazette (2006-06-26): # Next year, however, clocks in the US will go forward on the second Sunday # in March, until the first Sunday in November. And, after the Time Zone # (Seasonal Variation) Bill 2006 was passed in the House of Assembly on # Friday, the same thing will happen in Bermuda. # http://www.theroyalgazette.com/apps/pbcs.dll/article?AID=/20060529/NEWS/105290135 # Zone NAME GMTOFF RULES FORMAT [UNTIL] ! Zone Atlantic/Bermuda -4:19:18 - LMT 1930 Jan 1 2:00 # Hamilton -4:00 - AST 1974 Apr 28 2:00 -4:00 Bahamas A%sT 1976 -4:00 US A%sT # Cayman Is
*** 2636,2663 **** Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown -5:07:12 - KMT 1912 Feb # Kingston Mean Time -5:00 - EST # Costa Rica # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule CR 1979 1980 - Feb lastSun 0:00 1:00 D Rule CR 1979 1980 - Jun Sun>=1 0:00 0 S Rule CR 1991 1992 - Jan Sat>=15 0:00 1:00 D # IATA SSIM (1991-09) says the following was at 1:00; # go with Shanks & Pottenger. Rule CR 1991 only - Jul 1 0:00 0 S Rule CR 1992 only - Mar 15 0:00 0 S # There are too many San Joses elsewhere, so we'll use `Costa Rica'. # Zone NAME GMTOFF RULES FORMAT [UNTIL] ! Zone America/Costa_Rica -5:36:20 - LMT 1890 # San Jose ! -5:36:20 - SJMT 1921 Jan 15 # San Jose Mean Time -6:00 CR C%sT # Coco # no information; probably like America/Costa_Rica # Cuba # From Arthur David Olson (1999-03-29): # The 1999-03-28 exhibition baseball game held in Havana, Cuba, between # the Cuban National Team and the Baltimore Orioles was carried live on # the Orioles Radio Network, including affiliate WTOP in Washington, DC. # During the game, play-by-play announcer Jim Hunter noted that --- 2647,2682 ---- Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown -5:07:12 - KMT 1912 Feb # Kingston Mean Time -5:00 - EST # Costa Rica + + # Milne gives -5:36:13.3 as San Jose mean time; round to nearest. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule CR 1979 1980 - Feb lastSun 0:00 1:00 D Rule CR 1979 1980 - Jun Sun>=1 0:00 0 S Rule CR 1991 1992 - Jan Sat>=15 0:00 1:00 D # IATA SSIM (1991-09) says the following was at 1:00; # go with Shanks & Pottenger. Rule CR 1991 only - Jul 1 0:00 0 S Rule CR 1992 only - Mar 15 0:00 0 S # There are too many San Joses elsewhere, so we'll use `Costa Rica'. # Zone NAME GMTOFF RULES FORMAT [UNTIL] ! Zone America/Costa_Rica -5:36:13 - LMT 1890 # San Jose ! -5:36:13 - SJMT 1921 Jan 15 # San Jose Mean Time -6:00 CR C%sT # Coco # no information; probably like America/Costa_Rica # Cuba + # From Paul Eggert (2013-02-21): + # Milne gives -5:28:50.45 for the observatory at Havana, -5:29:23.57 + # for the port, and -5:30 for meteorological observations. + # For now, stick with Shanks & Pottenger. + # From Arthur David Olson (1999-03-29): # The 1999-03-28 exhibition baseball game held in Havana, Cuba, between # the Cuban National Team and the Baltimore Orioles was carried live on # the Orioles Radio Network, including affiliate WTOP in Washington, DC. # During the game, play-by-play announcer Jim Hunter noted that
*** 3002,3029 **** # From Steffen Thorsen (2012-03-11): # According to several news sources, Haiti will observe DST this year, # apparently using the same start and end date as USA/Canada. # So this means they have already changed their time. # - # (Sources in French): - # <a href="http://www.alterpresse.org/spip.php?article12510"> # http://www.alterpresse.org/spip.php?article12510 - # </a> - # <a href="http://radiovision2000haiti.net/home/?p=13253"> # http://radiovision2000haiti.net/home/?p=13253 - # </a> # - # Our coverage: - # <a href="http://www.timeanddate.com/news/time/haiti-dst-2012.html"> - # http://www.timeanddate.com/news/time/haiti-dst-2012.html - # </a> - # From Arthur David Olson (2012-03-11): # The alterpresse.org source seems to show a US-style leap from 2:00 a.m. to # 3:00 a.m. rather than the traditional Haitian jump at midnight. ! # Assume a US-style fall back as well XXX. ! # Do not yet assume that the change carries forward past 2012 XXX. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Haiti 1983 only - May 8 0:00 1:00 D Rule Haiti 1984 1987 - Apr lastSun 0:00 1:00 D Rule Haiti 1983 1987 - Oct lastSun 0:00 0 S --- 3021,3045 ---- # From Steffen Thorsen (2012-03-11): # According to several news sources, Haiti will observe DST this year, # apparently using the same start and end date as USA/Canada. # So this means they have already changed their time. # # http://www.alterpresse.org/spip.php?article12510 # http://radiovision2000haiti.net/home/?p=13253 # # From Arthur David Olson (2012-03-11): # The alterpresse.org source seems to show a US-style leap from 2:00 a.m. to # 3:00 a.m. rather than the traditional Haitian jump at midnight. ! # Assume a US-style fall back as well. ! ! # From Steffen Thorsen (2013-03-10): ! # It appears that Haiti is observing DST this year as well, same rules ! # as US/Canada. They did it last year as well, and it looks like they ! # are going to observe DST every year now... ! # ! # http://radiovision2000haiti.net/public/haiti-avis-changement-dheure-dimanche/ ! # http://www.canalplushaiti.net/?p=6714 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Haiti 1983 only - May 8 0:00 1:00 D Rule Haiti 1984 1987 - Apr lastSun 0:00 1:00 D Rule Haiti 1983 1987 - Oct lastSun 0:00 0 S
*** 3031,3042 **** # Go with IATA. Rule Haiti 1988 1997 - Apr Sun>=1 1:00s 1:00 D Rule Haiti 1988 1997 - Oct lastSun 1:00s 0 S Rule Haiti 2005 2006 - Apr Sun>=1 0:00 1:00 D Rule Haiti 2005 2006 - Oct lastSun 0:00 0 S ! Rule Haiti 2012 only - Mar Sun>=8 2:00 1:00 D ! Rule Haiti 2012 only - Nov Sun>=1 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Port-au-Prince -4:49:20 - LMT 1890 -4:49 - PPMT 1917 Jan 24 12:00 # P-a-P MT -5:00 Haiti E%sT --- 3047,3058 ---- # Go with IATA. Rule Haiti 1988 1997 - Apr Sun>=1 1:00s 1:00 D Rule Haiti 1988 1997 - Oct lastSun 1:00s 0 S Rule Haiti 2005 2006 - Apr Sun>=1 0:00 1:00 D Rule Haiti 2005 2006 - Oct lastSun 0:00 0 S ! Rule Haiti 2012 max - Mar Sun>=8 2:00 1:00 D ! Rule Haiti 2012 max - Nov Sun>=1 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Port-au-Prince -4:49:20 - LMT 1890 -4:49 - PPMT 1917 Jan 24 12:00 # P-a-P MT -5:00 Haiti E%sT