diff options
Diffstat (limited to 'share/zoneinfo/northamerica')
-rw-r--r-- | share/zoneinfo/northamerica | 86 |
1 files changed, 57 insertions, 29 deletions
diff --git a/share/zoneinfo/northamerica b/share/zoneinfo/northamerica index 635c4ef..150ba3d 100644 --- a/share/zoneinfo/northamerica +++ b/share/zoneinfo/northamerica @@ -1,4 +1,4 @@ -# @(#)northamerica 7.32 +# @(#)northamerica 7.41 # also includes Central America and the Caribbean # This data is by no means authoritative; if you think you know better, @@ -262,11 +262,6 @@ Zone Pacific/Honolulu -10:31:26 - LMT 1900 Jan 1 12:00 -10:30 US H%sT 1947 Jun 8 2:00 -10:00 - HST -Zone Pacific/Midway -11:49:28 - LMT 1901 - -11:00 - NST 1967 Apr # N=Nome - -11:00 - BST 1983 Nov 30 # B=Bering - -11:00 - SST # S=Samoa - # Now we turn to US areas that have diverged from the consensus since 1970. # Arizona mostly uses MST. @@ -464,8 +459,8 @@ Link Pacific/Honolulu HST # From Paul Eggert <eggert@twinsun.com> (1996-11-22): # A good source for time zone historical data outside the US is -# Thomas G. Shanks, The International Atlas (3rd edition), -# San Diego: ACS Publications, Inc. (1991). +# Thomas G. Shanks, The International Atlas (4th edition), +# San Diego: ACS Publications, Inc. (1995). # # Gwillim Law <LAW@encmail.encompass.com> writes that a good source # for recent time zone data is the International Air Transport @@ -481,8 +476,6 @@ Link Pacific/Honolulu HST # I found in the UCLA library. # # See the `europe' file for Greenland. -# -# See the `africa' file for time zone naming and abbreviation conventions. # Canada @@ -653,6 +646,20 @@ Zone America/Glace_Bay -3:59:48 - LMT 1902 Jun 15 # Nipigon (EST) and Rainy River (CST) are the largest that we know of. # Far west Ontario is like Winnipeg; far east Quebec is like Halifax. +# From Paul Eggert (1997-10-17): +# msb@sq.com writes that an article in the 1997-10-14 Toronto Star +# says that Atikokan, Ontario currently does not observe DST, +# but will vote on 11-10 whether to use EST/EDT. +# He also writes that the +# <a href="http://www.gov.on.ca/MBS/english/publications/statregs/conttext.html"> +# Ontario Time Act (1990, Chapter T.9) +# </a> +# says that Ontario east of 90W uses EST/EDT, and west of 90W uses CST/CDT. +# Officially Atikokan is therefore on CST/CDT, and most likely this report +# concerns a non-official time observed as a matter of local practice. +# For what it's worth, Shanks (1995) says that Atikokan has agreed with +# Rainy River ever since standard time was introduced. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Mont 1917 only - Mar 25 2:00 1:00 D Rule Mont 1917 only - Apr 24 0:00 0 S @@ -895,7 +902,7 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 # From Guy Harris: # Rules are from the Official Airline Guide, Worldwide Edition, for 1987. -# Rules prior to 1987 are unknown. +# Rules [before] 1987 are unknown. # The comments in the OAG say "Only Ensenada, Mexicale, San Felipe and Tijuana # observe DST." This is presumably Baja California Norte, above 28th parallel, # as listed there; [there is also] "Baja California Sur and N. Pacific @@ -973,9 +980,10 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 # # -------------- End Forwarded Message -------------- # From Paul Eggert (1996-06-12): -# For an English translation of the decree, -# see ``Diario Oficial: Time Zone Changeover'', -# <URL:http://mexico-travel.com/extra/timezone_eng.html> (1996-01-04). +# For an English translation of the decree, see +# <a href="http://mexico-travel.com/extra/timezone_eng.html"> +# ``Diario Oficial: Time Zone Changeover'' (1996-01-04). +# </a> # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -994,6 +1002,12 @@ Rule BajaN 1950 1966 - Apr lastSun 2:00 1:00 D Rule BajaN 1950 1961 - Sep lastSun 2:00 0 S Rule BajaN 1961 1966 - Oct lastSun 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Quintana Roo +Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 1:12:42 + -6:00 - CST 1996 + -6:00 Mexico C%sT 1997 Oct lastSun 2:00 + -5:00 Mexico E%sT +# Central Mexico Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24 -7:00 - MST 1927 Jun 10 23:00 -6:00 - CST 1930 Nov 15 @@ -1001,6 +1015,18 @@ Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24 -6:00 - CST 1931 Oct -7:00 - MST 1932 Mar 30 23:00 -6:00 Mexico C%sT +# Chihuahua +Zone America/Chihuahua -7:04:20 - LMT 1921 Dec 31 23:55:44 + -7:00 - MST 1927 Jun 10 23:00 + -6:00 - CST 1930 Nov 15 + -7:00 - MST 1931 May 1 23:00 + -6:00 - CST 1931 Oct + -7:00 - MST 1932 Mar 30 23:00 + -6:00 - CST 1996 + -6:00 Mexico C%sT 1998 + -6:00 - CST 1998 Apr Sun>=1 3:00 + -7:00 Mexico M%sT +# S Baja California, Nayarit, Sinaloa, Sonora Zone America/Mazatlan -7:05:40 - LMT 1921 Dec 31 23:54:20 -7:00 - MST 1927 Jun 10 23:00 -6:00 - CST 1930 Nov 15 @@ -1011,6 +1037,7 @@ Zone America/Mazatlan -7:05:40 - LMT 1921 Dec 31 23:54:20 -7:00 - MST 1949 Jan 14 -8:00 - PST 1970 -7:00 Mexico M%sT +# N Baja California Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56 -8:00 - PST 1927 Jun 10 23:00 -7:00 - MST 1930 Nov 16 @@ -1019,6 +1046,7 @@ Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56 -8:00 BajaN P%sT 1967 Apr lastSun 2:00 -8:00 US P%sT 1996 -8:00 Mexico P%sT +# Baja California Zone America/Ensenada -7:46:28 - LMT 1922 Jan 1 0:13:32 -8:00 - PST 1927 Jun 10 23:00 -7:00 - MST 1930 Nov 16 @@ -1061,7 +1089,7 @@ 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 - BMT 1932 # Bridgetown Mean Time + -3:58:28 - BMT 1932 # Bridgetown Mean Time -4:00 Barb A%sT # Belize @@ -1086,12 +1114,9 @@ Zone Atlantic/Bermuda -4:19:04 - LMT 1930 Jan 1 2:00 # Hamilton # Cayman Is # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown - -5:07 - KMT 1912 Feb # Kingston Mean Time + -5:07:12 - KMT 1912 Feb # Kingston Mean Time -5:00 - EST -# Clipperton -# uninhabited - # Costa Rica # Shanks gives some very odd dates for 1991, and stops there. # For now, we won't guess further. @@ -1145,10 +1170,13 @@ Rule Cuba 1978 1990 - Oct Sun>=8 0:00 0 S Rule Cuba 1979 1980 - Mar Sun>=15 0:00 1:00 D Rule Cuba 1981 1985 - May Sun>=5 0:00 1:00 D Rule Cuba 1986 1989 - Mar Sun>=14 0:00 1:00 D -Rule Cuba 1990 max - Apr Sun>=1 0:00 1:00 D +Rule Cuba 1990 1997 - Apr Sun>=1 0:00 1:00 D Rule Cuba 1991 1995 - Oct Sun>=8 0:00s 0 S -Rule Cuba 1996 only - Oct Sun>=1 0:00s 0 S -Rule Cuba 1997 max - Oct Sun>=8 0:00s 0 S +Rule Cuba 1996 only - Oct 6 0:00s 0 S +Rule Cuba 1997 only - Oct 12 0:00s 0 S +Rule Cuba 1998 only - Mar 29 0:00 1:00 D +Rule Cuba 1998 max - Oct lastSun 0:00s 0 S +Rule Cuba 1999 max - Apr Sun>=1 0:00s 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Havana -5:29:28 - LMT 1890 @@ -1211,8 +1239,8 @@ 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 # Shanks says AT is 2:00, but IATA SSIM (1991/1996) says 1:00s. Go with IATA. -Rule Haiti 1988 max - Apr Sun>=1 1:00s 1:00 D -Rule Haiti 1988 max - Oct lastSun 1:00s 0 S +Rule Haiti 1988 1997 - Apr Sun>=1 1:00s 1:00 D +Rule Haiti 1988 1997 - Oct lastSun 1:00s 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 @@ -1235,7 +1263,7 @@ Zone America/Tegucigalpa -5:48:52 - LMT 1921 Apr # From Shanks (1991): # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Jamaica -5:07:12 - LMT 1890 # Kingston - -5:07 - KMT 1912 Feb # Kingston Mean Time + -5:07:12 - KMT 1912 Feb # Kingston Mean Time -5:00 - EST 1974 Jan 6 2:00 -5:00 US E%sT 1984 -5:00 - EST @@ -1305,12 +1333,12 @@ Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre # St Vincent and the Grenadines # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/St_Vincent -4:04:56 - LMT 1890 # Kingstown - -4:05 - KMT 1912 # Kingstown Mean Time + -4:04:56 - KMT 1912 # Kingstown Mean Time -4:00 - AST # Turks and Caicos -# From Paul Eggert (1996-11-22): -# Shanks says they use US DST rules, but IATA SSIM (1991/1996) +# From Paul Eggert (1998-08-06): +# Shanks says they use US DST rules, but IATA SSIM (1991/1998) # says they switch at midnight. Go with IATA SSIM. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule TC 1979 1986 - Apr lastSun 0:00 1:00 D @@ -1318,7 +1346,7 @@ Rule TC 1979 max - Oct lastSun 0:00 0 S Rule TC 1987 max - Apr Sun>=1 0:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Grand_Turk -4:44:32 - LMT 1890 - -5:07 - KMT 1912 Feb # Kingston Mean Time + -5:07:12 - KMT 1912 Feb # Kingston Mean Time -5:00 TC E%sT # British Virgin Is |