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authorGarrett Wollman <wollman@FreeBSD.org>2005-08-26 18:39:31 +0000
committerGarrett Wollman <wollman@FreeBSD.org>2005-08-26 18:39:31 +0000
commit0d64aeef3bf631e4210f8afafbdaf927d935d6c6 (patch)
treea86af0f8c4b6c7ba8335704f51ccea1797b2a191 /share/zoneinfo/northamerica
parent25aa02688864c76cc42c9e4d67e0d7c63e114907 (diff)
downloadsrc-0d64aeef3bf631e4210f8afafbdaf927d935d6c6.tar.gz
src-0d64aeef3bf631e4210f8afafbdaf927d935d6c6.zip
Vendor update of timezone database.
Changes to historical dates in: Azerbaijan, B.I.O.T., China, Denmark, Libya, and Poland. Changes to current dates in: East Timor, Haiti, Israel, Kazakhstan, Nicaragua, Paraguay, Samoa, Tunisia, Uruguay Changes to future dates in: Australia, Iran, United States Obtained from: ftp://elsie.nci.nih.gov/pub/tzdata2005l.tar.gz
Notes
Notes: svn path=/vendor/tzdata/dist/; revision=149511
Diffstat (limited to 'share/zoneinfo/northamerica')
-rw-r--r--share/zoneinfo/northamerica213
1 files changed, 165 insertions, 48 deletions
diff --git a/share/zoneinfo/northamerica b/share/zoneinfo/northamerica
index 19b635fb2886..61f3f2a4d81d 100644
--- a/share/zoneinfo/northamerica
+++ b/share/zoneinfo/northamerica
@@ -1,11 +1,11 @@
-# @(#)northamerica 7.70
+# @(#)northamerica 7.78
# 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 <eggert@twinsun.com> (1999-03-22):
+# From Paul Eggert (1999-03-22):
# A reliable and entertaining source about time zones is
# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
@@ -24,12 +24,16 @@
# 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 <eggert@twinsun.com> (1995-12-19):
+# 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):
# 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 the US and Puerto Rico entries below.
+# It is the source for most of the pre-1991 US and Puerto Rico entries below.
# From Paul Eggert (2001-03-06):
# Daylight Saving Time was first suggested as a joke by Benjamin Franklin
@@ -48,7 +52,8 @@
# 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 (1947), XIX, Sunday
+# -- Robertson Davies, The diary of Samuel Marchbanks,
+# Clarke, Irwin (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">
@@ -78,7 +83,7 @@
# Time' instead of the old familiar 'Eastern War Time.' Peace is wonderful."
# </a> (August 1945) by way of confirmation.
-# From Joseph Gallant <notquite@hotmail.com>, citing
+# From Joseph Gallant 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
@@ -111,15 +116,14 @@ 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.
@@ -197,7 +201,26 @@ 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
@@ -208,6 +231,13 @@ Rule US 1987 max - Apr Sun>=1 2:00 1:00 D
# 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.
+
# 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
@@ -215,7 +245,7 @@ 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 12:00
+Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:03:58
-5:00 US E%sT 1920
-5:00 NYC E%sT 1942
-5:00 US E%sT 1946
@@ -241,7 +271,7 @@ 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 12:00
+Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:09:24
-6:00 US C%sT 1920
-6:00 Chicago C%sT 1936 Mar 1 2:00
-5:00 - EST 1936 Nov 15 2:00
@@ -250,7 +280,7 @@ Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:00
-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 12:00
+Zone America/North_Dakota/Center -6:45:12 - LMT 1883 Nov 18 12:14:48
-7:00 US M%sT 1992 Oct 25 02:00
-6:00 US C%sT
@@ -269,7 +299,7 @@ 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
+Zone America/Denver -6:59:56 - LMT 1883 Nov 18 12:00:04
-7:00 US M%sT 1920
-7:00 Denver M%sT 1942
-7:00 US M%sT 1946
@@ -289,7 +319,7 @@ 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 12:00
+Zone America/Los_Angeles -7:52:58 - LMT 1883 Nov 18 12:07:02
-8:00 US P%sT 1946
-8:00 CA P%sT 1967
-8:00 US P%sT
@@ -355,10 +385,26 @@ 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.
-# These switches don't quite make our 1970 cutoff.
+#
+# 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."
# Hawaii
#
@@ -400,7 +446,7 @@ 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 12:00
+Zone America/Phoenix -7:28:18 - LMT 1883 Nov 18 11:31:42
-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
@@ -422,9 +468,9 @@ 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 12:00
+Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:15:11
-8:00 US P%sT 1923 May 13 2:00
-7:00 US M%sT 1974
-7:00 - MST 1974 Feb 3 2:00
@@ -457,18 +503,19 @@ Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:00
#
# 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 12:00
+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
@@ -477,8 +524,8 @@ Zone America/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:00
-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.
@@ -488,14 +535,15 @@ 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 12:00
+Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:14:37
-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
+ -5:00 - EST 2006
+ -5:00 US E%sT
#
# Starke County, Indiana
# From Arthur David Olson (1991-10-28):
@@ -509,20 +557,22 @@ 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 12:00
+Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:13:30
-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
+ -5:00 - EST 2006
+ -5:00 US E%sT
#
# 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 12:00
+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.
@@ -535,7 +585,7 @@ 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 12:00
+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
@@ -544,7 +594,6 @@ Zone America/Louisville -5:43:02 - LMT 1883 Nov 18 12:00
-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
#
@@ -572,7 +621,7 @@ Link America/Louisville America/Kentucky/Louisville
# Federal Register 65, 160 (2000-08-17), page 50154-50158.
# </a>
#
-Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 12:00
+Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 12:20:36
-6:00 US C%sT 1946
-6:00 - CST 1968
-6:00 US C%sT 2000 Oct 29 2:00
@@ -681,7 +730,7 @@ Link Pacific/Honolulu HST
################################################################################
-# From Paul Eggert <eggert@twinsun.com> (1999-10-29):
+# From Paul Eggert (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).
@@ -709,7 +758,7 @@ Link Pacific/Honolulu HST
# Canada
-# From Alain LaBont<e'> <ALB@immedia.ca> (1994-11-14):
+# From Alain LaBont<e'> (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....
#
@@ -738,7 +787,7 @@ Link Pacific/Honolulu HST
# T: de Terre-Neuve
# Y: du Yukon Yukon
#
-# From Paul Eggert <eggert@twinsun.com> (1994-11-22):
+# From Paul Eggert (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.
@@ -1123,7 +1172,7 @@ 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 <jones@skdad.usask.ca> (1992-11-06):
+# From W. Jones (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
@@ -1241,7 +1290,7 @@ 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 <mathew@io.org> (1996-10-07) gives the following refs:
+# Mathew Englander (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).
@@ -1266,8 +1315,6 @@ 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,
@@ -1342,6 +1389,23 @@ 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
@@ -1365,6 +1429,9 @@ 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
@@ -1404,7 +1471,7 @@ 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 1032-03-30 23:00, not 1932-04-01.
+# Shanks reports a transition at 1932-03-30 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
@@ -1420,7 +1487,7 @@ 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 <alan.perry@eng.sun.com> (1996-02-15):
+# From Alan Perry (1996-02-15):
# A guy from our Mexico subsidiary finally found the Presidential Decree
# outlining the timezone changes in Mexico.
#
@@ -1850,6 +1917,26 @@ 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
@@ -1857,6 +1944,8 @@ 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
@@ -1908,11 +1997,39 @@ 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.
+#
# 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 - 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
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/Managua -5:45:08 - LMT 1890
-5:45:12 - MMT 1934 Jun 23 # Managua Mean Time?
@@ -1920,7 +2037,7 @@ 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 - CST
+ -6:00 Nic C%sT
# Panama
# Zone NAME GMTOFF RULES FORMAT [UNTIL]