diff options
Diffstat (limited to 'time/northamerica')
| -rw-r--r-- | time/northamerica | 73 |
1 files changed, 35 insertions, 38 deletions
diff --git a/time/northamerica b/time/northamerica index d1427900dd..1d0342a568 100644 --- a/time/northamerica +++ b/time/northamerica @@ -1,4 +1,4 @@ -# @(#)northamerica 7.22 +# @(#)northamerica 7.25 # also includes Central America and the Caribbean # This data is by no means authoritative; if you think you know better, @@ -160,11 +160,11 @@ Rule Denver 1965 1966 - Apr lastSun 2:00 1:00 D Rule Denver 1965 1966 - Oct lastSun 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Denver -6:59:56 - LMT 1883 Nov 18 12:00 - -7:00 US E%sT 1920 - -7:00 Denver E%sT 1942 - -7:00 US E%sT 1946 - -7:00 Denver E%sT 1967 - -7:00 US E%sT + -7:00 US M%sT 1920 + -7:00 Denver M%sT 1942 + -7:00 US M%sT 1946 + -7:00 Denver M%sT 1967 + -7:00 US M%sT # US Pacific time, represented by Los Angeles # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER @@ -461,8 +461,6 @@ Link Pacific/Honolulu HST # # See the `africa' file for Zone naming conventions. - - # Canada # Canada is reportedly lots easier than the US--leastways since 1951. @@ -569,11 +567,8 @@ Link Pacific/Honolulu HST # From Paul Eggert <eggert@twinsun.com> (1994-11-22): # Alas, this sort of thing must be handled by localization software. - - # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule StJohns 1884 only - Jan 1 0:00 0 S Rule StJohns 1917 1918 - Apr Sun>=8 2:00 1:00 D Rule StJohns 1917 only - Sep 17 2:00 0 S Rule StJohns 1918 only - Oct 31 2:00 0 S @@ -612,7 +607,6 @@ Zone America/St_Johns -3:30:52 - LMT 1884 -3:30 StJohns N%sT # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Halifax 1902 only - Jun 15 0:00 0 S Rule Halifax 1916 only - Apr 1 0:00 1:00 D Rule Halifax 1916 only - Oct 1 0:00 0 S Rule Halifax 1918 only - Apr 14 2:00 1:00 D @@ -658,7 +652,6 @@ Zone America/Halifax -4:14:24 - LMT 1902 Jun 15 -4:00 Halifax A%sT # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Mont 1884 only - Jan 1 0:00 0 S Rule Mont 1917 only - Mar 25 2:00 1:00 D Rule Mont 1917 only - Apr 24 0:00 0 S Rule Mont 1918 only - Apr 14 2:00 1:00 D @@ -692,7 +685,6 @@ Zone America/Montreal -4:54:16 - LMT 1884 -5:00 Mont E%sT # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Winn 1887 only - Jul 16 0:00 0 S Rule Winn 1916 only - Apr 23 0:00 1:00 D Rule Winn 1916 only - Sep 17 0:00 0 S Rule Winn 1918 only - Apr 14 2:00 1:00 D @@ -721,7 +713,6 @@ Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16 -6:00 Winn C%sT # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Regina 1905 only - Sep 1 0:00 0 S Rule Regina 1918 only - Apr 14 2:00 1:00 D Rule Regina 1918 only - Oct 31 2:00 0 S Rule Regina 1930 1934 - May Sun>=1 0:00 1:00 D @@ -742,7 +733,6 @@ Zone America/Regina -6:58:36 - LMT 1905 Sep -6:00 - CST # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Edm 1906 only - Sep 1 0:00 0 S Rule Edm 1918 1919 - Apr Sun>=8 2:00 1:00 D Rule Edm 1918 only - Oct 31 2:00 0 S Rule Edm 1919 only - May 27 2:00 0 S @@ -765,7 +755,6 @@ Zone America/Edmonton -7:33:52 - LMT 1906 Sep -7:00 Edm M%sT # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Vanc 1884 only - Jan 1 0:00 0 S Rule Vanc 1918 only - Apr 14 2:00 1:00 D Rule Vanc 1918 only - Oct 31 2:00 0 S Rule Vanc 1942 only - Feb 9 2:00 1:00 D @@ -780,7 +769,6 @@ Zone America/Vancouver -8:12:28 - LMT 1884 -8:00 Vanc P%sT # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Yukon 1900 only - Jan 1 0:00 0 S Rule Yukon 1918 only - Apr 14 2:00 1:00 D Rule Yukon 1918 only - Oct 27 2:00 0 S Rule Yukon 1919 only - May 25 2:00 1:00 D @@ -848,22 +836,41 @@ Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20 # a zone that's GMT-8 with DST; a zone that's always GMT-7; # a zone that's GMT-6 with DST; and a zone that's always GMT-6. -# From Paul Eggert <eggert@twinsun.com> (November 18, 1993): +# From Paul Eggert <eggert@twinsun.com> (1993-11-18): # Shanks also says there are four zones, but disagrees about the fourth. # Instead of GMT-6 with DST, he says there's GMT-8 without DST. -# From Paul Eggert (1996-02-07): -# Today in news:4f90v4$g6g@news.internet.com.mx, Kevin Pitts -# <bravo2@internet.com.mx> wrote that Mexico will use Horario de Verano (DST) -# starting this year with the same rules as the US, and gave FIDE as a source. -# (FIDE is a private organization that promotes efficient electrical use.) -# On 1996-02-02 Mario Camou wrote that the transition times are Apr Sun>=1 -# 0:00 and Nov 1 0:00 but also wrote ``The DST-out date looks a bit fishy''. -# Go with Pitts after 1996, and with Shanks before that. +# From Alan Perry <alan.perry@eng.sun.com> (1996-02-15): +# A guy from our Mexico subsidiary finally found the Presidential Decree +# outlining the timezone changes in Mexico. +# +# ------------- Begin Forwarded Message ------------- +# +# I finally got my hands on the Official Presidential Decree that sets up the +# rules for the DST changes. The rules are: +# +# 1. The country is divided in 3 timezones: +# - Baja California Norte (the Mexico/BajaNorte TZ) +# - Baja California Sur, Nayarit, Sinaloa and Sonora (the Mexico/BajaSur TZ) +# - The rest of the country (the Mexico/General TZ) +# +# 2. From the first Sunday in April at 2:00 AM to the last Sunday in October +# at 2:00 AM, the times in each zone are as follows: +# BajaNorte: GMT+7 +# BajaSur: GMT+6 +# General: GMT+5 +# +# 3. The rest of the year, the times are as follows: +# BajaNorte: GMT+8 +# BajaSur: GMT+7 +# General: GMT+6 +# +# The Decree was published in Mexico's Official Newspaper on January 4th. +# +# -------------- End Forwarded Message -------------- # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Mexico 1922 only - Jan 1 0:00 0 S Rule Mexico 1939 only - Feb 5 0:00 1:00 D Rule Mexico 1939 only - Jun 25 0:00 0 S Rule Mexico 1940 only - Dec 9 0:00 1:00 D @@ -930,7 +937,6 @@ Zone America/Antigua -4:07:12 - LMT 1912 Mar 2 # Bahamas # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Bahamas 1912 only - Mar 2 0:00 0 S Rule Bahamas 1964 max - Oct lastSun 2:00 0 S Rule Bahamas 1964 1986 - Apr lastSun 2:00 1:00 D Rule Bahamas 1987 max - Apr Sun>=1 2:00 1:00 D @@ -940,7 +946,6 @@ Zone America/Nassau -5:09:24 - LMT 1912 Mar 2 # Barbados # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Barb 1932 only - Jan 1 0:00 0 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 @@ -954,7 +959,6 @@ Zone America/Barbados -3:58:28 - LMT 1924 # Bridgetown # Belize # Whitman entirely disagrees with Shanks; go with Shanks. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Belize 1912 only - Apr 1 0:00 0 S Rule Belize 1918 1942 - Oct Sun>=2 0:00 0:30 HD Rule Belize 1919 1943 - Feb Sun>=9 0:00 0 S Rule Belize 1973 only - Dec 5 0:00 1:00 D @@ -984,7 +988,6 @@ Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown # Shanks gives some very odd dates for 1991, and stops there. # For now, we won't guess further. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule CR 1921 only - Jan 15 0:00 0 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 only - Jan 19 0:00 1:00 D @@ -1010,7 +1013,6 @@ Zone America/Costa_Rica -5:36:20 - LMT 1890 # San Jose # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Cuba 1925 only - Jul 19 12:00 0 S Rule Cuba 1928 only - Jun 10 0:00 1:00 D Rule Cuba 1928 only - Oct 10 0:00 0 S Rule Cuba 1940 1942 - Jun Sun>=1 0:00 1:00 D @@ -1049,7 +1051,6 @@ Zone America/Dominica -4:05:36 - LMT 1911 Jul 1 0:01 # Roseau # Dominican Republic # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule DR 1933 only - Apr 1 12:00 0 S Rule DR 1966 only - Oct 30 0:00 1:00 D Rule DR 1967 only - Feb 28 0:00 0 S Rule DR 1969 1973 - Oct lastSun 0:00 0:30 HD @@ -1064,7 +1065,6 @@ Zone America/Santo_Domingo -4:39:36 - LMT 1890 # El Salvador # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Salv 1921 only - Jan 1 0:00 0 S Rule Salv 1987 1988 - May Sun>=1 0:00 1:00 D Rule Salv 1987 1988 - Sep lastSun 0:00 0 S # There are too many San Salvadors elsewhere, so we'll use `El Salvador'. @@ -1084,7 +1084,6 @@ Zone America/Guadeloupe -4:06:08 - LMT 1911 Jun 8 # Pointe a Pitre # Guatemala # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Guat 1918 only - Oct 5 0:00 0 S Rule Guat 1973 only - Nov 25 0:00 1:00 D Rule Guat 1974 only - Feb 24 0:00 0 S Rule Guat 1983 only - May 21 0:00 1:00 D @@ -1095,7 +1094,6 @@ Zone America/Guatemala -6:02:04 - LMT 1918 Oct 5 # Haiti # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Haiti 1917 only - Jan 24 12:00 0 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 @@ -1142,7 +1140,6 @@ Zone America/Montserrat -4:08:52 - LMT 1911 Jul 1 0:01 # Plymouth # Nicaragua # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Nic 1975 only - Feb 16 0:00 0 S Rule Nic 1979 1980 - Mar Sun>=16 0:00 1:00 D Rule Nic 1979 1980 - Jun Mon>=23 0:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] |