diff options
Diffstat (limited to 'timezone/northamerica')
| -rw-r--r-- | timezone/northamerica | 152 |
1 files changed, 100 insertions, 52 deletions
diff --git a/timezone/northamerica b/timezone/northamerica index c290caf..40a2ce2 100644 --- a/timezone/northamerica +++ b/timezone/northamerica @@ -1,4 +1,4 @@ -# @(#)northamerica 7.75 +# @(#)northamerica 7.79 # also includes Central America and the Caribbean # This data is by no means authoritative; if you think you know better, @@ -110,21 +110,26 @@ # # He had scored a 20-second scoop on other broadcasters. +# From Arthur David Olson (2005-08-22): +# Paul has been careful to use the "US" rules only in those locations +# that are part of the United States; this reflects the real scope of +# U.S. government action. So even though the "US" rules have changed +# in the latest release, other countries won't be affected. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule US 1918 1919 - Mar lastSun 2:00 1:00 D Rule US 1918 1919 - Oct lastSun 2:00 0 S Rule US 1942 only - Feb 9 2:00 1:00 W # War Rule US 1945 only - Aug 14 23:00u 1:00 P # Peace Rule US 1945 only - Sep 30 2:00 0 S -Rule US 1967 max - Oct lastSun 2:00 0 S +Rule US 1967 2006 - Oct lastSun 2:00 0 S Rule US 1967 1973 - Apr lastSun 2:00 1:00 D Rule US 1974 only - Jan 6 2:00 1:00 D Rule US 1975 only - Feb 23 2:00 1:00 D Rule US 1976 1986 - Apr lastSun 2:00 1:00 D -Rule US 1987 max - Apr Sun>=1 2:00 1:00 D -# <a href="http://thomas.loc.gov/cgi-bin/bdquery/z?d106:h.r.00177:"> -# H.R.177 -# </a> (introduced 1999-01-06) would change April to March in the above rule. +Rule US 1987 2006 - Apr Sun>=1 2:00 1:00 D +Rule US 2007 max - Mar Sun>=8 2:00 1:00 D +Rule US 2007 max - Nov Sun>=1 2:00 0 S # From Bob Devine (1988-01-28): # ...Alaska (and Hawaii) had the timezone names changed in 1967. @@ -202,13 +207,32 @@ Rule US 1987 max - Apr Sun>=1 2:00 1:00 D # Public law 106-564 (2000-12-23) introduced the abbreviation # "Chamorro Standard Time" for time in Guam and the Northern Marianas. # See the file "australasia". - + +# From Arthur David Olson, 2005-08-09 +# The following was signed into law on 2005-08-08. +# +# H.R. 6, Energy Policy Act of 2005, SEC. 110. DAYLIGHT SAVINGS. +# (a) Amendment- Section 3(a) of the Uniform Time Act of 1966 (15 +# U.S.C. 260a(a)) is amended-- +# (1) by striking `first Sunday of April' and inserting `second +# Sunday of March'; and +# (2) by striking `last Sunday of October' and inserting `first +# Sunday of November'. +# (b) Effective Date- Subsection (a) shall take effect 1 year after the +# date of enactment of this Act or March 1, 2007, whichever is later. +# (c) Report to Congress- Not later than 9 months after the effective +# date stated in subsection (b), the Secretary shall report to Congress +# on the impact of this section on energy consumption in the United +# States. +# (d) Right to Revert- Congress retains the right to revert the +# Daylight Saving Time back to the 2005 time schedules once the +# Department study is complete. # US eastern time, represented by New York # Connecticut, Delaware, District of Columbia, most of Florida, -# Georgia, southeast Indiana (Clark, Dearborn, Floyd, Harrison, and -# Ohio counties), eastern Kentucky, Maine, Maryland, Massachusetts, +# Georgia, southeast Indiana (Dearborn and Ohio counties), eastern Kentucky +# (except America/Kentucky/Louisville below), Maine, Maryland, Massachusetts, # New Hampshire, New Jersey, New York, North Carolina, Ohio, # Pennsylvania, Rhode Island, South Carolina, eastern Tennessee, # Vermont, Virginia, West Virginia @@ -463,40 +487,44 @@ Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:15:11 # For a map of Indiana's time zone regions, see: # <a href="http://www.mccsc.edu/time.html"> # What time is it in Indiana? -# </a> (1999-04-06) +# </a> (2005-05-03) +# +# From Paul Eggert (2005-08-22): +# Since 1970, most of Indiana has been like America/Indiana/Indianapolis, +# with the following exceptions: +# +# - Gibson, Jasper, Lake, LaPorte, Newton, Porter, Posey, Spencer, +# Vandenburgh, and Warrick counties have been like America/Chicago. +# +# - Dearborn and Ohio counties have been like America/New_York. +# +# - Clark, Floyd, and Harrison counties have been like +# America/Kentucky/Louisville. +# +# - Crawford, Starke, and Switzerland counties have their own time zone +# histories as noted below. # -# From Paul Eggert (1995-12-19): -# Indiana generally observes either EST all year, or CST/CDT, -# but areas near Cincinnati and Louisville use those cities' timekeeping -# and in 1969 and 1970 the whole state observed daylight time; -# and there are other exceptions as noted below. # Shanks partitions Indiana into 345 regions, each with its own time history, # and writes ``Even newspaper reports present contradictory information.'' # Fortunately, most of the complexity occurred before our cutoff date of 1970. # -# Since 1970, EST-only Indiana has been like America/Indianapolis, -# with exceptions noted below for Crawford, Starke, and Switzerland counties. -# The parts of Indiana not listed below have been like America/Chicago, -# America/Louisville, or America/New_York. -# # Other than Indianapolis, the Indiana place names are so nondescript # that they would be ambiguous if we left them at the `America' level. # So we reluctantly put them all in a subdirectory `America/Indiana'. -# -# Most of EST-only Indiana last observed DST in 1970. -# From Paul Eggert (2001-03-06), following a tip by Markus Kuhn: -# Pam Belluck reported in the New York Times (2001-01-31) that the -# Indiana Legislature is considering a bill to adopt DST statewide. -# Her article mentioned Vevay, whose post office observes a different -# time zone from Danner's Hardware across the street. +# From Paul Eggert (2005-08-16): +# http://www.mccsc.edu/time.html says that Indiana will use DST starting 2006, +# and that many counties may switch either to Central or to Eastern time. +# The county-by-county decisions have not been made yet, so for now assume +# that no counties will switch: this assumption is most likely wrong, +# but it's the best we can do for now. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER Rule Indianapolis 1941 only - Jun 22 2:00 1:00 D Rule Indianapolis 1941 1954 - Sep lastSun 2:00 0 S Rule Indianapolis 1946 1954 - Apr lastSun 2:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone America/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22 +Zone America/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22 -6:00 US C%sT 1920 -6:00 Indianapolis C%sT 1942 -6:00 US C%sT 1946 @@ -505,8 +533,8 @@ Zone America/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22 -6:00 - CST 1958 Apr 27 2:00 -5:00 - EST 1969 -5:00 US E%sT 1971 - -5:00 - EST -Link America/Indianapolis America/Indiana/Indianapolis + -5:00 - EST 2006 + -5:00 US E%sT # # Part of Crawford County, Indiana, last observed DST in 1975, # and left its clocks alone in 1974. @@ -523,7 +551,8 @@ Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:14:37 -5:00 US E%sT 1974 Jan 6 2:00 -6:00 1:00 CDT 1974 Oct 27 2:00 -5:00 US E%sT 1976 - -5:00 - EST + -5:00 - EST 2006 + -5:00 US E%sT # # Starke County, Indiana # From Arthur David Olson (1991-10-28): @@ -542,7 +571,8 @@ Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:13:30 -6:00 Starke C%sT 1962 Apr 29 2:00 -5:00 - EST 1963 Oct 27 2:00 -6:00 US C%sT 1991 Oct 27 2:00 - -5:00 - EST + -5:00 - EST 2006 + -5:00 US E%sT # # Switzerland County, Indiana, last observed DST in 1972. # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -550,10 +580,11 @@ Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:19:44 -6:00 US C%sT 1954 Apr 25 2:00 -5:00 - EST 1969 -5:00 US E%sT 1973 - -5:00 - EST + -5:00 - EST 2006 + -5:00 US E%sT # Part of Kentucky left its clocks alone in 1974. -# This also includes a part of Indiana immediately adjacent to Louisville. +# This also includes Clark, Floyd, and Harrison counties in Indiana. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER Rule Louisville 1921 only - May 1 2:00 1:00 D Rule Louisville 1921 only - Sep 1 2:00 0 S @@ -563,7 +594,7 @@ Rule Louisville 1946 only - Jun 2 2:00 0 S Rule Louisville 1950 1955 - Sep lastSun 2:00 0 S Rule Louisville 1956 1960 - Oct lastSun 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone America/Louisville -5:43:02 - LMT 1883 Nov 18 12:16:58 +Zone America/Kentucky/Louisville -5:43:02 - LMT 1883 Nov 18 12:16:58 -6:00 US C%sT 1921 -6:00 Louisville C%sT 1942 -6:00 US C%sT 1946 @@ -572,7 +603,6 @@ Zone America/Louisville -5:43:02 - LMT 1883 Nov 18 12:16:58 -5:00 US E%sT 1974 Jan 6 2:00 -6:00 1:00 CDT 1974 Oct 27 2:00 -5:00 US E%sT -Link America/Louisville America/Kentucky/Louisville # # Wayne, Clinton, and Russell Counties, Kentucky # @@ -695,17 +725,6 @@ Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 # _Los Angeles Times_ (1998-11-10), A1, A10; it cites # Jimmy Skaggs, _The Great Guano Rush_ (1994). -# Old names, for S5 users - -# Link LINK-FROM LINK-TO -Link America/New_York EST5EDT -Link America/Chicago CST6CDT -Link America/Denver MST7MDT -Link America/Los_Angeles PST8PDT -Link America/Indianapolis EST -Link America/Phoenix MST -Link Pacific/Honolulu HST - ################################################################################ @@ -1294,8 +1313,6 @@ Zone America/Dawson_Creek -8:00:56 - LMT 1884 # </a> (1999) reports that Pangnirtung operates on eastern time, # and that Coral Harbour does not observe DST. We don't know when # Pangnirtung switched to eastern time; we'll guess 1995. -# We'll ignore the claim about Coral Harbour for now, -# since we have no further info. # From Rives McDow (1999-11-08): # On October 31, when the rest of Nunavut went to Central time, @@ -1370,6 +1387,23 @@ Zone America/Dawson_Creek -8:00:56 - LMT 1884 # more. # [Also see <http://www.nunatsiaq.com/nunavut/nvt10309_06.html> (2001-03-09).] +# From Gwillim Law (2005-05-21): +# According to maps at +# http://inms-ienm.nrc-cnrc.gc.ca/images/time_services/TZ01SWE.jpg +# http://inms-ienm.nrc-cnrc.gc.ca/images/time_services/TZ01SSE.jpg +# (both dated 2003), and +# http://www.canadiangeographic.ca/Magazine/SO98/geomap.asp +# (from a 1998 Canadian Geographic article), the de facto and de jure time +# for Southampton Island (at the north end of Hudson Bay) is UTC-5 all year +# round. Using Google, it's easy to find other websites that confirm this. +# I wasn't able to find how far back this time regimen goes, but since it +# predates the creation of Nunavut, it probably goes back many years.... +# The Inuktitut name of Coral Harbour is Sallit, but it's rarely used. +# +# From Paul Eggert (2005-07-26): +# For lack of better information, assume that Southampton Island observed +# daylight saving only during wartime. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule NT_YK 1918 only - Apr 14 2:00 1:00 D Rule NT_YK 1918 only - Oct 27 2:00 0 S @@ -1393,6 +1427,9 @@ Zone America/Iqaluit -4:33:52 - LMT 1884 # Frobisher Bay before 1987 -5:00 NT_YK E%sT 1999 Oct 31 2:00 -6:00 Canada C%sT 2000 Oct 29 2:00 -5:00 Canada E%sT +Zone America/Coral_Harbour -5:32:40 - LMT 1884 + -5:00 NT_YK E%sT 1946 + -5:00 - EST Zone America/Rankin_Inlet -6:08:40 - LMT 1884 -6:00 NT_YK C%sT 2000 Oct 29 2:00 -5:00 - EST 2001 Apr 1 3:00 @@ -1968,10 +2005,21 @@ Zone America/Montserrat -4:08:52 - LMT 1911 Jul 1 0:01 # Olveston # The Decree, no 23-2005 is available here: # http://www.presidencia.gob.ni/buscador_gaceta/BD/DECRETOS/2005/Decreto%2023-2005%20Se%20adelanta%20en%20una%20hora%20en%20todo%20el%20territorio%20nacional%20apartir%20de%20las%2024horas%20del%2009%20de%20Abril.pdf # -# From Paul Eggert (2005-04-12): +# From Paul Eggert (2005-05-01): # The decree doesn't say anything about daylight saving, but for now let's # assume that it is daylight saving and that they'll switch back on the -# 2nd Sunday in September. +# 3rd Sunday in September. +# +# From Gwillim Law (2005-04-21): +# The Associated Press story on the time change, which can be found at +# http://www.lapalmainteractivo.com/guias/content/gen/ap/America_Latina/AMC_GEN_NICARAGUA_HORA.html +# and elsewhere, says (fifth paragraph, translated from Spanish): "The last +# time that a change of clocks was applied to save energy was in the year 2000 +# during the Arnoldo Aleman administration."... +# The northamerica file says that Nicaragua has been on UTC-6 continuously +# since December 1998. I wasn't able to find any details of Nicaraguan time +# changes in 2000. Perhaps a note could be added to the northamerica file, to +# the effect that we have indirect evidence that DST was observed in 2000. # # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Nic 1979 1980 - Mar Sun>=16 0:00 1:00 D @@ -1979,7 +2027,7 @@ Rule Nic 1979 1980 - Jun Mon>=23 0:00 0 S Rule Nic 1992 only - Jan 1 4:00 1:00 D Rule Nic 1992 only - Sep 24 0:00 0 S Rule Nic 2005 only - Apr 10 0:00 1:00 D -Rule Nic 2005 only - Sep 11 0:00 0 S +Rule Nic 2005 only - Sep 18 0:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Managua -5:45:08 - LMT 1890 -5:45:12 - MMT 1934 Jun 23 # Managua Mean Time? |