diff options
Diffstat (limited to 'timezone/northamerica')
| -rw-r--r-- | timezone/northamerica | 89 |
1 files changed, 77 insertions, 12 deletions
diff --git a/timezone/northamerica b/timezone/northamerica index 40a2ce2..9f9b98b 100644 --- a/timezone/northamerica +++ b/timezone/northamerica @@ -1,4 +1,6 @@ -# @(#)northamerica 7.79 +# @(#)northamerica 7.87 +# <pre> + # also includes Central America and the Caribbean # This data is by no means authoritative; if you think you know better, @@ -131,6 +133,26 @@ 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 Arthur David Olson, 2005-12-19 +# We generate the files specified below to guard against old files with +# obsolete information being left in the time zone binary directory. +# We limit the list to names that have appeared in previous versions of +# this time zone package. +# We do these as separate Zones rather than as Links to avoid problems if +# a particular place changes whether it observes DST. +# We put these specifications here in the northamerica file both to +# increase the chances that they'll actually get compiled and to +# avoid the need to duplicate the US rules in another file. + +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone EST -5:00 - EST +Zone MST -7:00 - MST +Zone HST -10:00 - HST +Zone EST5EDT -5:00 US E%sT +Zone CST6CDT -6:00 US C%sT +Zone MST7MDT -7:00 US M%sT +Zone PST8PDT -8:00 US P%sT + # From Bob Devine (1988-01-28): # ...Alaska (and Hawaii) had the timezone names changed in 1967. # old new @@ -244,6 +266,16 @@ Rule US 2007 max - Nov Sun>=1 2:00 0 S # and didn't change their clocks for Daylight Saving ... so that their # reports will always have times which are 5 hours behind UTC. +# From Paul Eggert (2005-08-26): +# According to today's Huntsville Times +# <http://www.al.com/news/huntsvilletimes/index.ssf?/base/news/1125047783228320.xml&coll=1> +# a few towns on Alabama's "eastern border with Georgia, such as Phenix City +# in Russell County, Lanett in Chambers County and some towns in Lee County, +# set their watches and clocks on Eastern time." It quotes H.H. "Bubba" +# Roberts, city administrator in Phenix City. as saying "We are in the Central +# time zone, but we do go by the Eastern time zone because so many people work +# in Columbus." + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER Rule NYC 1920 only - Mar lastSun 2:00 1:00 D Rule NYC 1920 only - Oct lastSun 2:00 0 S @@ -790,18 +822,37 @@ Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 # Unless otherwise specified, the data for Canada are all from Shanks. -# From Paul Eggert (2000-10-02): +# From Paul Eggert (2005-12-21): # H. David Matthews and Mary Vincent's map -# <a href="http://www.canadiangeographic.ca/SO98/geomap.htm"> +# <a href="http://www.canadiangeographic.ca/Magazine/SO98/geomap.asp"> # "It's about TIME", _Canadian Geographic_ (September-October 1998) # </a> contains detailed boundaries for regions observing nonstandard # time and daylight saving time arrangements in Canada circa 1998. # -# INMS, the Institute for National Measurement Standards in Ottawa, has -# <a href="http://www.nrc.ca/inms/time/tze.html"> +# INMS, the Institute for National Measurement Standards in Ottawa, has <a +# href="http://inms-ienm.nrc-cnrc.gc.ca/en/time_services/daylight_saving_e.php"> # information about standard and daylight saving time zones in Canada. # </a> (updated periodically). # Its unofficial information is often taken from Matthews and Vincent. +# +# CBC News reported that Ontario and Manitoba have announced plans to +# follow the US change, and that Nova Scotia is considering it; see +# <http://www.cbc.ca/news/background/daylightsavingtime/> (2005-10-21). +# CBC news also reported that Prince Edward Island is the first +# province in Atlantic Canada to follow the US change, and that Quebec +# had agreed; see <http://www.cbc.ca/pei/story/pe_daylight_20051207.html> +# (2005-12-07). +# +# To reflect all this, the Canada and Winn rules have been adjusted to +# agree with the 2007 US change. This means we assume most of Canada +# will fall into line. However, Alberta, British Columbia, +# Newfoundland, Northwest Territories, and Yukon already have separate +# rules in our database, so for now we'll leave them alone, which +# means that we currently assume these regions will not change their +# rules and will disagree with the US starting in 2007. This +# assumption is probably incorrect, with the possible exception of +# Newfoundland. We plan to adjust the Edm, Vanc, StJohns, and NT_YK +# rules as the corresponding provinces make their announcements. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Canada 1918 only - Apr 14 2:00 1:00 D @@ -810,8 +861,10 @@ Rule Canada 1942 only - Feb 9 2:00 1:00 W # War Rule Canada 1945 only - Aug 14 23:00u 1:00 P # Peace Rule Canada 1945 only - Sep 30 2:00 0 S Rule Canada 1974 1986 - Apr lastSun 2:00 1:00 D -Rule Canada 1974 max - Oct lastSun 2:00 0 S -Rule Canada 1987 max - Apr Sun>=1 2:00 1:00 D +Rule Canada 1974 2006 - Oct lastSun 2:00 0 S +Rule Canada 1987 2006 - Apr Sun>=1 2:00 1:00 D +Rule Canada 2007 max - Mar Sun>=8 2:00 1:00 D +Rule Canada 2007 max - Nov Sun>=1 2:00 0 S # Newfoundland (and far southeast Labrador) @@ -1137,11 +1190,13 @@ Rule Winn 1963 only - Apr lastSun 2:00 1:00 D Rule Winn 1963 only - Sep 22 2:00 0 S Rule Winn 1966 1986 - Apr lastSun 2:00 1:00 D Rule Winn 1966 1986 - Oct lastSun 2:00 0 S -Rule Winn 1987 max - Apr Sun>=1 2:00 1:00 D +Rule Winn 1987 2006 - Apr Sun>=1 2:00s 1:00 D # From Paul Eggert (2000-10-02): # INMS (2000-09-12) says that, since 1988 at least, Manitoba switches from # DST at 03:00 local time. For now, assume it started in 1987. -Rule Winn 1987 max - Oct lastSun 2:00s 0 S +Rule Winn 1987 2006 - Oct lastSun 2:00s 0 S +Rule Winn 2007 max - Mar Sun>=8 2:00s 1:00 D +Rule Winn 2007 max - Nov Sun>=1 2:00s 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16 -6:00 Winn C%sT @@ -1805,6 +1860,11 @@ Zone America/Costa_Rica -5:36:20 - LMT 1890 # San Jose # to normal hours (after daylight saving time)". # For now, let's assume that it's a one-year temporary measure. +# From Carlos A. Carnero Delgado (2005-11-12): +# This year (just like in 2004-2005) there's no change in time zone +# adjustment in Cuba. We will stay in daylight saving time: +# http://www.granma.cu/espanol/2005/noviembre/mier9/horario.html + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Cuba 1928 only - Jun 10 0:00 1:00 D Rule Cuba 1928 only - Oct 10 0:00 0 S @@ -1835,7 +1895,7 @@ Rule Cuba 1997 only - Oct 12 0:00s 0 S Rule Cuba 1998 1999 - Mar lastSun 0:00s 1:00 D Rule Cuba 1998 2003 - Oct lastSun 0:00s 0 S Rule Cuba 2000 max - Apr Sun>=1 0:00s 1:00 D -Rule Cuba 2005 max - Oct lastSun 0:00s 0 S +Rule Cuba 2006 max - Oct lastSun 0:00s 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Havana -5:29:28 - LMT 1890 @@ -2021,13 +2081,18 @@ Zone America/Montserrat -4:08:52 - LMT 1911 Jul 1 0:01 # Olveston # 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. # +# From Jesper Norgaard Welen (2005-11-02): +# Nicaragua left DST the 2005-10-02 at 00:00 (local time). +# http://www.presidencia.gob.ni/presidencia/files_index/secretaria/comunicados/2005/septiembre/26septiembre-cambio-hora.htm +# (2005-09-26) +# # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Nic 1979 1980 - Mar Sun>=16 0:00 1:00 D 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 - 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 18 0:00 0 S +Rule Nic 2005 only - Oct 2 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? |