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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /timezone/northamerica
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
downloadglibc-a334319f6530564d22e775935d9c91663623a1b4.zip
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'timezone/northamerica')
-rw-r--r--timezone/northamerica560
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diff --git a/timezone/northamerica b/timezone/northamerica
index 73e2470..6e755b0 100644
--- a/timezone/northamerica
+++ b/timezone/northamerica
@@ -1,13 +1,11 @@
-# @(#)northamerica 8.1
-# <pre>
-
+# @(#)northamerica 7.69
# 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):
+# From Paul Eggert <eggert@twinsun.com> (1999-03-22):
# A reliable and entertaining source about time zones is
# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
@@ -26,16 +24,12 @@
# His proposal was adopted by the railroads on 1883-11-18 at 12:00,
# and the most of the country soon followed suit.
-# From Paul Eggert (2005-04-16):
-# That 1883 transition occurred at 12:00 new time, not at 12:00 old time.
-# See p 46 of David Prerau, Seize the daylight, Thunder's Mouth Press (2005).
-
-# From Paul Eggert (1995-12-19):
+# From Paul Eggert <eggert@twinsun.com> (1995-12-19):
# A good source for time zone historical data in the US is
# Thomas G. Shanks, The American Atlas (5th edition),
# San Diego: ACS Publications, Inc. (1991).
# Make sure you have the errata sheet; the book is somewhat useless without it.
-# It is the source for most of the pre-1991 US and Puerto Rico entries below.
+# It is the source for the US and Puerto Rico entries below.
# From Paul Eggert (2001-03-06):
# Daylight Saving Time was first suggested as a joke by Benjamin Franklin
@@ -54,8 +48,7 @@
# to push people into bed earlier, and get them up earlier, to make
# them healthy, wealthy and wise in spite of themselves.
#
-# -- Robertson Davies, The diary of Samuel Marchbanks,
-# Clarke, Irwin (1947), XIX, Sunday
+# -- Robertson Davies, The Diary of Samuel Marchbanks (1947), XIX, Sunday
#
# For more about the first ten years of DST in the United States, see
# Robert Garland's <a href="http://www.clpgh.org/exhibit/dst.html">
@@ -85,7 +78,7 @@
# Time' instead of the old familiar 'Eastern War Time.' Peace is wonderful."
# </a> (August 1945) by way of confirmation.
-# From Joseph Gallant citing
+# From Joseph Gallant <notquite@hotmail.com>, citing
# George H. Douglas, _The Early Days of Radio Broadcasting_ (1987):
# At 7 P.M. (Eastern War Time) [on 1945-08-14], the networks were set
# to switch to London for Attlee's address, but the American people
@@ -112,46 +105,21 @@
#
# 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 2006 - Oct lastSun 2:00 0 S
+Rule US 1967 max - 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 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
+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.
# From Bob Devine (1988-01-28):
# ...Alaska (and Hawaii) had the timezone names changed in 1967.
@@ -229,53 +197,17 @@ Zone PST8PDT -8:00 US P%sT
# 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 (Dearborn and Ohio counties), eastern Kentucky
-# (except America/Kentucky/Louisville below), Maine, Maryland, Massachusetts,
+# Georgia, southeast Indiana (Clark, Dearborn, Floyd, Harrison, and
+# Ohio counties), eastern Kentucky, Maine, Maryland, Massachusetts,
# New Hampshire, New Jersey, New York, North Carolina, Ohio,
# Pennsylvania, Rhode Island, South Carolina, eastern Tennessee,
# Vermont, Virginia, West Virginia
-# From Dave Cantor (2004-11-02):
-# Early this summer I had the occasion to visit the Mount Washington
-# Observatory weather station atop (of course!) Mount Washington [, NH]....
-# One of the staff members said that the station was on Eastern Standard Time
-# 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
@@ -283,7 +215,7 @@ Rule NYC 1921 1966 - Apr lastSun 2:00 1:00 D
Rule NYC 1921 1954 - Sep lastSun 2:00 0 S
Rule NYC 1955 1966 - Oct lastSun 2:00 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:03:58
+Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:00
-5:00 US E%sT 1920
-5:00 NYC E%sT 1942
-5:00 US E%sT 1946
@@ -309,7 +241,7 @@ Rule Chicago 1922 1966 - Apr lastSun 2:00 1:00 D
Rule Chicago 1922 1954 - Sep lastSun 2:00 0 S
Rule Chicago 1955 1966 - Oct lastSun 2:00 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:09:24
+Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:00
-6:00 US C%sT 1920
-6:00 Chicago C%sT 1936 Mar 1 2:00
-5:00 - EST 1936 Nov 15 2:00
@@ -318,17 +250,9 @@ Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:09:24
-6:00 Chicago C%sT 1967
-6:00 US C%sT
# Oliver County, ND switched from mountain to central time on 1992-10-25.
-Zone America/North_Dakota/Center -6:45:12 - LMT 1883 Nov 18 12:14:48
+Zone America/North_Dakota/Center -6:45:12 - LMT 1883 Nov 18 12:00
-7:00 US M%sT 1992 Oct 25 02:00
-6:00 US C%sT
-# From Paul Eggert (2006-01-20):
-# The following is not implemented yet.
-# What is the most populous city in that area?
-# From http://www.statoids.com/tus.html (2006-01-20):
-# 2003-10-26 02:00: All of Morton County, ND, and the part of Sioux
-# County, ND east of ND route 31 moved from MT to CT. (The area
-# around Fort Yates in Sioux County and the area around Mandan in
-# Morton County were already in CT.)
# US mountain time, represented by Denver
#
@@ -345,7 +269,7 @@ Rule Denver 1921 only - May 22 2:00 0 S
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 12:00:04
+Zone America/Denver -6:59:56 - LMT 1883 Nov 18 12:00
-7:00 US M%sT 1920
-7:00 Denver M%sT 1942
-7:00 US M%sT 1946
@@ -365,7 +289,7 @@ Rule CA 1950 1966 - Apr lastSun 2:00 1:00 D
Rule CA 1950 1961 - Sep lastSun 2:00 0 S
Rule CA 1962 1966 - Oct lastSun 2:00 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/Los_Angeles -7:52:58 - LMT 1883 Nov 18 12:07:02
+Zone America/Los_Angeles -7:52:58 - LMT 1883 Nov 18 12:00
-8:00 US P%sT 1946
-8:00 CA P%sT 1967
-8:00 US P%sT
@@ -431,26 +355,10 @@ Zone America/Adak 12:13:21 - LMT 1867 Oct 18
-11:00 US B%sT 1983 Oct 30 2:00
-10:00 US AH%sT 1983 Nov 30
-10:00 US HA%sT
-# The following switches don't quite make our 1970 cutoff.
-#
# Shanks writes that part of southwest Alaska (e.g. Aniak)
# switched from -11:00 to -10:00 on 1968-09-22 at 02:00,
# and another part (e.g. Akiak) made the same switch five weeks later.
-#
-# From David Flater (2004-11-09):
-# In e-mail, 2004-11-02, Ray Hudson, historian/liaison to the Unalaska
-# Historic Preservation Commission, provided this information, which
-# suggests that Unalaska deviated from statutory time from early 1967
-# possibly until 1983:
-#
-# Minutes of the Unalaska City Council Meeting, January 10, 1967:
-# "Except for St. Paul and Akutan, Unalaska is the only important
-# location not on Alaska Standard Time. The following resolution was
-# made by William Robinson and seconded by Henry Swanson: Be it
-# resolved that the City of Unalaska hereby goes to Alaska Standard
-# Time as of midnight Friday, January 13, 1967 (1 A.M. Saturday,
-# January 14, Alaska Standard Time.) This resolution was passed with
-# three votes for and one against."
+# These switches don't quite make our 1970 cutoff.
# Hawaii
#
@@ -492,7 +400,7 @@ Zone Pacific/Honolulu -10:31:26 - LMT 1900 Jan 1 12:00
# Shanks says the 1944 experiment came to an end on 1944-03-17.
# Go with the Arizona State Library instead.
-Zone America/Phoenix -7:28:18 - LMT 1883 Nov 18 11:31:42
+Zone America/Phoenix -7:28:18 - LMT 1883 Nov 18 12:00
-7:00 US M%sT 1944 Jan 1 00:01
-7:00 - MST 1944 Apr 1 00:01
-7:00 US M%sT 1944 Oct 1 00:01
@@ -514,9 +422,9 @@ Link America/Denver America/Shiprock
# Lemhi, Lincoln, Madison, Minidoka, Oneida, Owyhee, Payette, Power,
# Teton, Twin Falls, Valley, Washington counties) and eastern Oregon
# switched four weeks late in 1974.
-#
+#
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:15:11
+Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:00
-8:00 US P%sT 1923 May 13 2:00
-7:00 US M%sT 1974
-7:00 - MST 1974 Feb 3 2:00
@@ -527,55 +435,40 @@ 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> (2005-10-30)
-#
-# From Paul Eggert (2006-01-20):
-# 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.
+# </a> (1999-04-06)
#
-# - Clark, Floyd, and Harrison counties have been like
-# America/Kentucky/Louisville.
-#
-# - Daviess, Dubois, Knox, Martin, Perry, and Pulaski counties
-# have been like America/Indiana/Vincennes.
-#
-# - Crawford, Pike, Starke, and Switzerland counties have their own time zone
-# histories as noted below.
-#
-# Shanks partitioned Indiana into 345 regions, each with its own time history,
-# and wrote ``Even newspaper reports present contradictory information.''
+# 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 (2005-08-16):
-# http://www.mccsc.edu/time.html says that Indiana will use DST starting 2006.
-
-# From Deborah Goldsmith (2006-01-18):
-# http://dmses.dot.gov/docimages/pdf95/382329_web.pdf
-# From Paul Eggert (2006-01-20):
-# It says "DOT is relocating the time zone boundary in Indiana to move Starke,
-# Pulaski, Knox, Daviess, Martin, Pike, Dubois, and Perry Counties from the
-# Eastern Time Zone to the Central Time Zone.... The effective date of
-# this rule is 2:OO a.m. EST Sunday, April 2, 2006, which is the
-# changeover date from standard time to Daylight Saving Time."
-# Strictly speaking, this means the affected counties will change their
-# clocks twice that night, but this obviously is in error. The intent
-# is that 01:59:59 EST be followed by 02:00:00 CDT.
+# 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.
# 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/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22
+Zone America/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:00
-6:00 US C%sT 1920
-6:00 Indianapolis C%sT 1942
-6:00 US C%sT 1946
@@ -584,66 +477,27 @@ Zone America/Indiana/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 2006
- -5:00 US E%sT
+ -5:00 - EST
+Link America/Indianapolis America/Indiana/Indianapolis
#
-# Eastern Crawford County, Indiana, left its clocks alone in 1974,
-# as well as from 1976 through 2005.
+# Part of Crawford County, Indiana, last observed DST in 1975,
+# and left its clocks alone in 1974.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER
Rule Marengo 1951 only - Apr lastSun 2:00 1:00 D
Rule Marengo 1951 only - Sep lastSun 2:00 0 S
Rule Marengo 1954 1960 - Apr lastSun 2:00 1:00 D
Rule Marengo 1954 1960 - Sep lastSun 2:00 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:14:37
+Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:00
-6:00 US C%sT 1951
-6:00 Marengo C%sT 1961 Apr 30 2:00
-5:00 - EST 1969
-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 2006
- -5:00 US E%sT
-#
-# Daviess, Dubois, Knox, Martin, Perry, and Pulaski Counties, Indiana,
-# switched from eastern to central time in April 2006.
-# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER
-Rule Vincennes 1946 only - Apr lastSun 2:00 1:00 D
-Rule Vincennes 1946 only - Sep lastSun 2:00 0 S
-Rule Vincennes 1953 1954 - Apr lastSun 2:00 1:00 D
-Rule Vincennes 1953 1959 - Sep lastSun 2:00 0 S
-Rule Vincennes 1955 only - May 1 0:00 1:00 D
-Rule Vincennes 1956 1963 - Apr lastSun 2:00 1:00 D
-Rule Vincennes 1960 only - Oct lastSun 2:00 0 S
-Rule Vincennes 1961 only - Sep lastSun 2:00 0 S
-Rule Vincennes 1962 1963 - Oct lastSun 2:00 0 S
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/Indiana/Vincennes -5:50:07 - LMT 1883 Nov 18 12:09:53
- -6:00 US C%sT 1946
- -6:00 Vincennes C%sT 1964 Apr 26 2:00
- -5:00 - EST 1969
- -5:00 US E%sT 1971
- -5:00 - EST 2006 Apr 2 2:00
- -6:00 US C%sT
-#
-# Pike County, Indiana moved from central to eastern time in 1977,
-# then switched back in 2006.
-# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER
-Rule Pike 1955 only - May 1 0:00 1:00 D
-Rule Pike 1955 1960 - Sep lastSun 2:00 0 S
-Rule Pike 1956 1964 - Apr lastSun 2:00 1:00 D
-Rule Pike 1961 1964 - Oct lastSun 2:00 0 S
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/Indiana/Petersburg -5:49:07 - LMT 1883 Nov 18 12:10:53
- -6:00 US C%sT 1955
- -6:00 Pike C%sT 1965 Apr 25 2:00
- -5:00 - EST 1966 Oct 30 2:00
- -6:00 US C%sT 1977 Oct 30 2:00
- -5:00 - EST 2006 Apr 2 2:00
- -6:00 US C%sT
+ -5:00 - EST
#
-# Starke County, Indiana moved from central to eastern time in 1991,
-# then switched back in 2006.
+# Starke County, Indiana
# From Arthur David Olson (1991-10-28):
# An article on page A3 of the Sunday, 1991-10-27 Washington Post
# notes that Starke County switched from Central time to Eastern time as of
@@ -655,25 +509,23 @@ Rule Starke 1955 1956 - Oct lastSun 2:00 0 S
Rule Starke 1957 1958 - Sep lastSun 2:00 0 S
Rule Starke 1959 1961 - Oct lastSun 2:00 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:13:30
+Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:00
-6:00 US C%sT 1947
-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 2006 Apr 2 2:00
- -6:00 US C%sT
+ -5:00 - EST
#
-# Switzerland County, Indiana, did not observe DST from 1973 through 2005.
+# Switzerland County, Indiana, last observed DST in 1972.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:19:44
+Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:00
-6:00 US C%sT 1954 Apr 25 2:00
-5:00 - EST 1969
-5:00 US E%sT 1973
- -5:00 - EST 2006
- -5:00 US E%sT
+ -5:00 - EST
# Part of Kentucky left its clocks alone in 1974.
-# This also includes Clark, Floyd, and Harrison counties in Indiana.
+# This also includes a part of Indiana immediately adjacent to Louisville.
# 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
@@ -683,7 +535,7 @@ 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/Kentucky/Louisville -5:43:02 - LMT 1883 Nov 18 12:16:58
+Zone America/Louisville -5:43:02 - LMT 1883 Nov 18 12:00
-6:00 US C%sT 1921
-6:00 Louisville C%sT 1942
-6:00 US C%sT 1946
@@ -692,8 +544,9 @@ Zone America/Kentucky/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 County, Kentucky
+# Wayne, Clinton, and Russell Counties, Kentucky
#
# From
# <a href="http://www.lake-cumberland.com/life/archive/news990129time.shtml">
@@ -719,7 +572,7 @@ Zone America/Kentucky/Louisville -5:43:02 - LMT 1883 Nov 18 12:16:58
# Federal Register 65, 160 (2000-08-17), page 50154-50158.
# </a>
#
-Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 12:20:36
+Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 12:00
-6:00 US C%sT 1946
-6:00 - CST 1968
-6:00 US C%sT 2000 Oct 29 2:00
@@ -790,8 +643,7 @@ Zone America/Detroit -5:32:11 - LMT 1905
-5:00 - EST 1975 Apr 27 2:00
-5:00 US E%sT
#
-# Dickinson, Gogebic, Iron, and Menominee Counties, Michigan,
-# switched from EST to CST/CDT in 1973.
+# The Michigan border with Wisconsin switched from EST to CST/CDT in 1973.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER
Rule Menominee 1946 only - Apr lastSun 2:00 1:00 D
Rule Menominee 1946 only - Sep lastSun 2:00 0 S
@@ -815,10 +667,21 @@ 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
+
################################################################################
-# From Paul Eggert (1999-10-29):
+# From Paul Eggert <eggert@twinsun.com> (1999-10-29):
# A good source for time zone historical data outside the US is
# Thomas G. Shanks, The International Atlas (5th edition),
# San Diego: ACS Publications, Inc. (1999).
@@ -846,7 +709,7 @@ Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00
# Canada
-# From Alain LaBont<e'> (1994-11-14):
+# From Alain LaBont<e'> <ALB@immedia.ca> (1994-11-14):
# I post here the time zone abbreviations standardized in Canada
# for both English and French in the CAN/CSA-Z234.4-89 standard....
#
@@ -875,42 +738,23 @@ Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00
# T: de Terre-Neuve
# Y: du Yukon Yukon
#
-# From Paul Eggert (1994-11-22):
+# From Paul Eggert <eggert@twinsun.com> (1994-11-22):
# Alas, this sort of thing must be handled by localization software.
# Unless otherwise specified, the data for Canada are all from Shanks.
-# From Paul Eggert (2005-12-21):
+# From Paul Eggert (2000-10-02):
# H. David Matthews and Mary Vincent's map
-# <a href="http://www.canadiangeographic.ca/Magazine/SO98/geomap.asp">
+# <a href="http://www.canadiangeographic.ca/SO98/geomap.htm">
# "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://inms-ienm.nrc-cnrc.gc.ca/en/time_services/daylight_saving_e.php">
+# INMS, the Institute for National Measurement Standards in Ottawa, has
+# <a href="http://www.nrc.ca/inms/time/tze.html">
# 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
@@ -919,10 +763,8 @@ 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 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
+Rule Canada 1974 max - Oct lastSun 2:00 0 S
+Rule Canada 1987 max - Apr Sun>=1 2:00 1:00 D
# Newfoundland (and far southeast Labrador)
@@ -987,7 +829,7 @@ Zone America/Goose_Bay -4:01:40 - LMT 1884 # Happy Valley-Goose Bay
-4:00 StJohns A%sT
-# west Labrador, Nova Scotia, Prince Edward I
+# west Labrador, New Brunswick, Nova Scotia, Prince Edward I
# From Paul Eggert (1996-06-12):
# Shanks writes that since 1970 most of this region has been like Halifax.
@@ -996,48 +838,53 @@ Zone America/Goose_Bay -4:01:40 - LMT 1884 # Happy Valley-Goose Bay
# Shanks also writes that Liverpool, NS was the only town in Canada to observe
# DST in 1971 but not 1970; for now we'll assume this is a typo.
+# From Paul Eggert (2000-10-02):
+# INMS (2000-09-12) says that, since 1988 at least, New Brunswick switches
+# at 00:01 local time. FIXME: verify and create a new Zone for this.
+
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
-Rule Halifax 1916 only - Apr 1 0:00 1:00 D
-Rule Halifax 1916 only - Oct 1 0:00 0 S
-Rule Halifax 1920 only - May 9 0:00 1:00 D
-Rule Halifax 1920 only - Aug 29 0:00 0 S
-Rule Halifax 1921 only - May 6 0:00 1:00 D
-Rule Halifax 1921 1922 - Sep 5 0:00 0 S
-Rule Halifax 1922 only - Apr 30 0:00 1:00 D
-Rule Halifax 1923 1925 - May Sun>=1 0:00 1:00 D
-Rule Halifax 1923 only - Sep 4 0:00 0 S
-Rule Halifax 1924 only - Sep 15 0:00 0 S
-Rule Halifax 1925 only - Sep 28 0:00 0 S
-Rule Halifax 1926 only - May 16 0:00 1:00 D
-Rule Halifax 1926 only - Sep 13 0:00 0 S
-Rule Halifax 1927 only - May 1 0:00 1:00 D
-Rule Halifax 1927 only - Sep 26 0:00 0 S
-Rule Halifax 1928 1931 - May Sun>=8 0:00 1:00 D
-Rule Halifax 1928 only - Sep 9 0:00 0 S
-Rule Halifax 1929 only - Sep 3 0:00 0 S
-Rule Halifax 1930 only - Sep 15 0:00 0 S
-Rule Halifax 1931 1932 - Sep Mon>=24 0:00 0 S
-Rule Halifax 1932 only - May 1 0:00 1:00 D
-Rule Halifax 1933 only - Apr 30 0:00 1:00 D
-Rule Halifax 1933 only - Oct 2 0:00 0 S
-Rule Halifax 1934 only - May 20 0:00 1:00 D
-Rule Halifax 1934 only - Sep 16 0:00 0 S
-Rule Halifax 1935 only - Jun 2 0:00 1:00 D
-Rule Halifax 1935 only - Sep 30 0:00 0 S
-Rule Halifax 1936 only - Jun 1 0:00 1:00 D
-Rule Halifax 1936 only - Sep 14 0:00 0 S
-Rule Halifax 1937 1938 - May Sun>=1 0:00 1:00 D
-Rule Halifax 1937 1941 - Sep Mon>=24 0:00 0 S
-Rule Halifax 1939 only - May 28 0:00 1:00 D
-Rule Halifax 1940 1941 - May Sun>=1 0:00 1:00 D
-Rule Halifax 1946 1949 - Apr lastSun 2:00 1:00 D
-Rule Halifax 1946 1949 - Sep lastSun 2:00 0 S
-Rule Halifax 1951 1954 - Apr lastSun 2:00 1:00 D
-Rule Halifax 1951 1954 - Sep lastSun 2:00 0 S
-Rule Halifax 1956 1959 - Apr lastSun 2:00 1:00 D
-Rule Halifax 1956 1959 - Sep lastSun 2:00 0 S
-Rule Halifax 1962 1973 - Apr lastSun 2:00 1:00 D
-Rule Halifax 1962 1973 - Oct lastSun 2:00 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 1920 only - May 9 0:00 1:00 D
+Rule Halifax 1920 only - Aug 29 0:00 0 S
+Rule Halifax 1921 only - May 6 0:00 1:00 D
+Rule Halifax 1921 1922 - Sep 5 0:00 0 S
+Rule Halifax 1922 only - Apr 30 0:00 1:00 D
+Rule Halifax 1923 1925 - May Sun>=1 0:00 1:00 D
+Rule Halifax 1923 only - Sep 4 0:00 0 S
+Rule Halifax 1924 only - Sep 15 0:00 0 S
+Rule Halifax 1925 only - Sep 28 0:00 0 S
+Rule Halifax 1926 only - May 16 0:00 1:00 D
+Rule Halifax 1926 only - Sep 13 0:00 0 S
+Rule Halifax 1927 only - May 1 0:00 1:00 D
+Rule Halifax 1927 only - Sep 26 0:00 0 S
+Rule Halifax 1928 1931 - May Sun>=8 0:00 1:00 D
+Rule Halifax 1928 only - Sep 9 0:00 0 S
+Rule Halifax 1929 only - Sep 3 0:00 0 S
+Rule Halifax 1930 only - Sep 15 0:00 0 S
+Rule Halifax 1931 1932 - Sep Mon>=24 0:00 0 S
+Rule Halifax 1932 only - May 1 0:00 1:00 D
+Rule Halifax 1933 only - Apr 30 0:00 1:00 D
+Rule Halifax 1933 only - Oct 2 0:00 0 S
+Rule Halifax 1934 only - May 20 0:00 1:00 D
+Rule Halifax 1934 only - Sep 16 0:00 0 S
+Rule Halifax 1935 only - Jun 2 0:00 1:00 D
+Rule Halifax 1935 only - Sep 30 0:00 0 S
+Rule Halifax 1936 only - Jun 1 0:00 1:00 D
+Rule Halifax 1936 only - Sep 14 0:00 0 S
+Rule Halifax 1937 1938 - May Sun>=1 0:00 1:00 D
+Rule Halifax 1937 1941 - Sep Mon>=24 0:00 0 S
+Rule Halifax 1939 only - May 28 0:00 1:00 D
+Rule Halifax 1940 1941 - May Sun>=1 0:00 1:00 D
+Rule Halifax 1946 1949 - Sep lastSun 2:00 0 S
+Rule Halifax 1946 1949 - Apr lastSun 2:00 1:00 D
+Rule Halifax 1951 1954 - Sep lastSun 2:00 0 S
+Rule Halifax 1951 1954 - Apr lastSun 2:00 1:00 D
+Rule Halifax 1956 1959 - Sep lastSun 2:00 0 S
+Rule Halifax 1956 1959 - Apr lastSun 2:00 1:00 D
+Rule Halifax 1962 1973 - Apr lastSun 2:00 1:00 D
+Rule Halifax 1962 1973 - Oct lastSun 2:00 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/Halifax -4:14:24 - LMT 1902 Jun 15
-4:00 Halifax A%sT 1918
@@ -1053,43 +900,6 @@ Zone America/Glace_Bay -3:59:48 - LMT 1902 Jun 15
-4:00 Halifax A%sT 1974
-4:00 Canada A%sT
-# New Brunswick
-
-# From Paul Eggert (2006-01-20):
-# New Brunswick's Time Definition Act
-# <http://www.gnb.ca/0062/PDF-acts/t-06.pdf> says they change at 00:01, and
-# <http://www.canlii.org/nb/laws/sta/t-6/20030127/whole.html> makes it
-# clear that this has been the case since at least 1993.
-# For now, assume it started in 1993. The Office of the Premier announced
-# <http://www.gnb.ca/cnb/news/pre/2005e1737pr.htm> (2005-12-23)
-# that they will bring forward proposed amendments to harmonize with the US;
-# for now assume that this will happen, but they'll still switch at 00:01.
-
-# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
-Rule Moncton 1933 1935 - Jun Sun>=8 1:00 1:00 D
-Rule Moncton 1933 1935 - Sep Sun>=8 1:00 0 S
-Rule Moncton 1936 1938 - Jun Sun>=1 1:00 1:00 D
-Rule Moncton 1936 1938 - Sep Sun>=1 1:00 0 S
-Rule Moncton 1939 only - May 27 1:00 1:00 D
-Rule Moncton 1939 1941 - Sep Sat>=21 1:00 0 S
-Rule Moncton 1940 only - May 19 1:00 1:00 D
-Rule Moncton 1941 only - May 4 1:00 1:00 D
-Rule Moncton 1946 1972 - Apr lastSun 2:00 1:00 D
-Rule Moncton 1946 1956 - Sep lastSun 2:00 0 S
-Rule Moncton 1956 1972 - Oct lastSun 2:00 0 S
-Rule Moncton 1993 2006 - Apr Sun>=1 0:01 1:00 D
-Rule Moncton 1993 2006 - Oct lastSun 0:01 0 S
-Rule Moncton 2007 max - Mar Sun>=8 0:01 1:00 D
-Rule Moncton 2007 max - Nov Sun>=1 0:01 0 S
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/Moncton -4:19:08 - LMT 1883 Dec 9
- -5:00 - EST 1902 Jun 15
- -4:00 Canada A%sT 1933
- -4:00 Moncton A%sT 1942
- -4:00 Canada A%sT 1946
- -4:00 Moncton A%sT 1973
- -4:00 Canada A%sT 1993
- -4:00 Moncton A%sT
# Ontario, Quebec
@@ -1280,13 +1090,11 @@ 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 2006 - Apr Sun>=1 2:00s 1:00 D
+Rule Winn 1987 max - Apr Sun>=1 2:00 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 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
+Rule Winn 1987 max - Oct lastSun 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
@@ -1315,7 +1123,7 @@ Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16
# Matthews and Vincent (1998) write that Denare Beach and Creighton
# are like Winnipeg, in violation of Saskatchewan law.
-# From W. Jones (1992-11-06):
+# From W. Jones <jones@skdad.usask.ca> (1992-11-06):
# The. . .below is based on information I got from our law library, the
# provincial archives, and the provincial Community Services department.
# A precise history would require digging through newspaper archives, and
@@ -1433,7 +1241,7 @@ Zone America/Dawson_Creek -8:00:56 - LMT 1884
# From Paul Eggert (1999-10-29):
# Dawson switched to PST in 1973. Inuvik switched to MST in 1979.
-# Mathew Englander (1996-10-07) gives the following refs:
+# Mathew Englander <mathew@io.org> (1996-10-07) gives the following refs:
# * 1967. Paragraph 28(34)(g) of the Interpretation Act, S.C. 1967-68,
# c. 7 defines Yukon standard time as UTC-9. This is still valid;
# see Interpretation Act, R.S.C. 1985, c. I-21, s. 35(1).
@@ -1458,6 +1266,8 @@ 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,
@@ -1532,23 +1342,6 @@ 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
@@ -1572,9 +1365,6 @@ 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
@@ -1614,7 +1404,7 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20
# Shanks reports that Baja was at -8:00 in 1922/1923.
# Shanks says the 1930 transition in Baja was 1930-11-16.
# Shanks reports no DST during summer 1931.
-# Shanks reports a transition at 1932-03-30 23:00, not 1932-04-01.
+# Shanks reports a transition at 1032-03-30 23:00, not 1932-04-01.
# Shanks does not report transitions for Baja in 1945 or 1948.
# Shanks reports southern Mexico transitions on 1981-12-01, not 12-23.
# Shanks says Quintana Roo switched to -6:00 on 1982-12-02, and to -5:00
@@ -1630,7 +1420,7 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20
# Shanks gives 1942-04-01 instead of 1942-04-24, and omits the 1981
# and 1988 DST experiments. Go with spin.com.mx.
-# From Alan Perry (1996-02-15):
+# 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.
#
@@ -1941,20 +1731,6 @@ Zone America/Costa_Rica -5:36:20 - LMT 1890 # San Jose
# to DST--and one more hour on 1999-04-04--when the announcers will have
# returned to Baltimore, which switches on that date.)
-# From Evert van der Veer via Steffen Thorsen (2004-10-28):
-# Cuba is not going back to standard time this year.
-# From Paul Eggert (2004-10-28):
-# http://www.granma.cu/ingles/2004/septiembre/juev30/41medid-i.html
-# says that it's due to a problem at the Antonio Guiteras
-# thermoelectric plant, and says "This October there will be no return
-# 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
@@ -1983,9 +1759,8 @@ Rule Cuba 1991 1995 - 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 1999 - Mar lastSun 0:00s 1:00 D
-Rule Cuba 1998 2003 - Oct lastSun 0:00s 0 S
+Rule Cuba 1998 max - Oct lastSun 0:00s 0 S
Rule Cuba 2000 max - Apr Sun>=1 0:00s 1:00 D
-Rule Cuba 2006 max - Oct lastSun 0:00s 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/Havana -5:29:28 - LMT 1890
@@ -2065,26 +1840,6 @@ Zone America/Guatemala -6:02:04 - LMT 1918 Oct 5
-6:00 Guat C%sT
# Haiti
-# From Gwillim Law (2005-04-15):
-# Risto O. Nykanen wrote me that Haiti is now on DST.
-# I searched for confirmation, and I found a
-# <a href="http://www.haitianconsulate.org/time.doc"> press release
-# on the Web page of the Haitian Consulate in Chicago (2005-03-31),
-# </a>. Translated from French, it says:
-#
-# "The Prime Minister's Communication Office notifies the public in general
-# and the press in particular that, following a decision of the Interior
-# Ministry and the Territorial Collectivities [I suppose that means the
-# provinces], Haiti will move to Eastern Daylight Time in the night from next
-# Saturday the 2nd to Sunday the 3rd.
-#
-# "Consequently, the Prime Minister's Communication Office wishes to inform
-# the population that the country's clocks will be set forward one hour
-# starting at midnight. This provision will hold until the last Saturday in
-# October 2005.
-#
-# "Port-au-Prince, March 31, 2005"
-
# 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
@@ -2092,8 +1847,6 @@ Rule Haiti 1983 1987 - Oct lastSun 0:00 0 S
# Shanks says AT is 2:00, but IATA SSIM (1991/1997) says 1:00s. 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 only - Apr Sun>=1 0:00 1:00 D
-Rule Haiti 2005 only - Oct lastSun 0:00 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
@@ -2145,44 +1898,11 @@ Zone America/Montserrat -4:08:52 - LMT 1911 Jul 1 0:01 # Olveston
# Nicaragua seems to be back at -6:00 but I have not been able to find when
# they changed from -5:00.
#
-# From Steffen Thorsen (2005-04-12):
-# I've got reports from 8 different people that Nicaragua just started
-# DST on Sunday 2005-04-10, in order to save energy because of
-# expensive petroleum. The exact end date for DST is not yet
-# announced, only "September" but some sites also say "mid-September".
-# Some background information is available on the President's official site:
-# http://www.presidencia.gob.ni/Presidencia/Files_index/Secretaria/Notas%20de%20Prensa/Presidente/2005/ABRIL/Gobierno-de-nicaragua-adelanta-hora-oficial-06abril.htm
-# 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 (2005-05-01):
-# 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
-# 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.
-#
-# 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 - 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?
@@ -2190,7 +1910,7 @@ Zone America/Managua -5:45:08 - LMT 1890
-5:00 - EST 1975 Feb 16
-6:00 Nic C%sT 1993 Jan 1 4:00
-5:00 - EST 1998 Dec
- -6:00 Nic C%sT
+ -6:00 - CST
# Panama
# Zone NAME GMTOFF RULES FORMAT [UNTIL]