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6402 Update zoneinfo to 2015g
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Reviewed by: Marcel Telka <marcel@telka.sk>
Approved by:
@@ -225,13 +225,18 @@
# Hawaii-Aleutian standard time
# Samoa standard time
# The law doesn't give abbreviations.
#
# From Paul Eggert (2000-01-08), following a heads-up from Rives McDow:
-# 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".
+# Public law 106-564 (2000-12-23) introduced ... "Chamorro Standard Time"
+# for time in Guam and the Northern Marianas. See the file "australasia".
+#
+# From Paul Eggert (2015-04-17):
+# HST and HDT are standardized abbreviations for Hawaii-Aleutian
+# standard and daylight times. See section 9.47 (p 234) of the
+# U.S. Government Printing Office Style Manual (2008)
+# http://www.gpo.gov/fdsys/pkg/GPO-STYLEMANUAL-2008/pdf/GPO-STYLEMANUAL-2008.pdf
# 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.
@@ -534,11 +539,11 @@
-11:00 US N%sT 1946
-11:00 - NST 1967 Apr
-11:00 - BST 1969
-11:00 US B%sT 1983 Oct 30 2:00
-10:00 US AH%sT 1983 Nov 30
- -10:00 US HA%sT
+ -10:00 US H%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.
@@ -1228,14 +1233,23 @@
-4:00 Canada A%sT
# west Labrador, Nova Scotia, Prince Edward I
-# From Paul Eggert (2006-03-22):
+# From Brian Inglis (2015-07-20):
+# From the historical weather station records available at:
+# https://weatherspark.com/history/28351/1971/Sydney-Nova-Scotia-Canada
+# Sydney shares the same time history as Glace Bay, so was
+# likely to be the same across the island....
+# Sydney, as the capital and most populous location, or Cape Breton, would
+# have been better names for the zone had we known this in 1996.
+
+# From Paul Eggert (2015-07-20):
# Shanks & Pottenger write that since 1970 most of this region has been like
# Halifax. Many locales did not observe peacetime DST until 1972;
-# Glace Bay, NS is the largest that we know of.
+# the Cape Breton area, represented by Glace Bay, is the largest we know of
+# (Glace Bay was perhaps not the best name choice but no point changing now).
# Shanks & Pottenger also write 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.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
@@ -1329,18 +1343,13 @@
-4:00 Moncton A%sT 2007
-4:00 Canada A%sT
# Quebec
-# From Paul Eggert (2013-08-30):
-# Since 1970 most of Quebec has been like Toronto.
-# However, because earlier versions of the tz database mistakenly relied on data
-# from Shanks & Pottenger saying that Quebec differed from Ontario after 1970,
-# a separate entry was created for most of Quebec. We're loath to lose
-# its pre-1970 info, even though the tz database is normally limited to
-# zones that differ after 1970, so keep this otherwise out-of-scope entry.
-
+# From Paul Eggert (2015-03-24):
+# See America/Toronto for most of Quebec, including Montreal.
+#
# Matthews and Vincent (1998) also write that Quebec east of the -63
# meridian is supposed to observe AST, but residents as far east as
# Natashquan use EST/EDT, and residents east of Natashquan use AST.
# The Quebec department of justice writes in
# "The situation in Minganie and Basse-Côte-Nord"
@@ -1350,43 +1359,14 @@
# http://www.assnat.qc.ca/Media/Process.aspx?MediaId=ANQ.Vigie.Bll.DocumentGenerique_8845en
# says this common practice was codified into law as of 2007.
# For lack of better info, guess this practice began around 1970, contra to
# Shanks & Pottenger who have this region observing AST/ADT.
-# 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
-Rule Mont 1919 only - Mar 31 2:30 1:00 D
-Rule Mont 1919 only - Oct 25 2:30 0 S
-Rule Mont 1920 only - May 2 2:30 1:00 D
-Rule Mont 1920 1922 - Oct Sun>=1 2:30 0 S
-Rule Mont 1921 only - May 1 2:00 1:00 D
-Rule Mont 1922 only - Apr 30 2:00 1:00 D
-Rule Mont 1924 only - May 17 2:00 1:00 D
-Rule Mont 1924 1926 - Sep lastSun 2:30 0 S
-Rule Mont 1925 1926 - May Sun>=1 2:00 1:00 D
-Rule Mont 1927 1937 - Apr lastSat 24:00 1:00 D
-Rule Mont 1927 1937 - Sep lastSat 24:00 0 S
-Rule Mont 1938 1940 - Apr lastSun 0:00 1:00 D
-Rule Mont 1938 1939 - Sep lastSun 0:00 0 S
-Rule Mont 1946 1973 - Apr lastSun 2:00 1:00 D
-Rule Mont 1945 1948 - Sep lastSun 2:00 0 S
-Rule Mont 1949 1950 - Oct lastSun 2:00 0 S
-Rule Mont 1951 1956 - Sep lastSun 2:00 0 S
-Rule Mont 1957 1973 - Oct lastSun 2:00 0 S
-
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/Blanc-Sablon -3:48:28 - LMT 1884
-4:00 Canada A%sT 1970
-4:00 - AST
-Zone America/Montreal -4:54:16 - LMT 1884
- -5:00 Mont E%sT 1918
- -5:00 Canada E%sT 1919
- -5:00 Mont E%sT 1942 Feb 9 2:00s
- -5:00 Canada E%sT 1946
- -5:00 Mont E%sT 1974
- -5:00 Canada E%sT
# Ontario
# From Paul Eggert (2006-07-09):
# Shanks & Pottenger write that since 1970 most of Ontario has been like
@@ -1823,17 +1803,17 @@
# Exact date unknown
# 2. Oct 1916: switch to Pacific Standard Time (GMT-8)
# Exact date in October unknown; Sunday October 1 is a reasonable guess.
# 3. June 1918: switch to Pacific Daylight Time (GMT-7)
# Exact date in June unknown; Sunday June 2 is a reasonable guess.
-# note#1:
+# note 1:
# On Oct 27/1918 when daylight saving ended in the rest of Canada,
# Creston did not change its clocks.
-# note#2:
+# note 2:
# During WWII when the Federal Government legislated a mandatory clock change,
# Creston did not oblige.
-# note#3:
+# note 3:
# There is no guarantee that Creston will remain on Mountain Standard Time
# (UTC-7) forever.
# The subject was debated at least once this year by the town Council.
# http://www.bclocalnews.com/kootenay_rockies/crestonvalleyadvance/news/116760809.html
@@ -1844,10 +1824,26 @@
# period should be PDT rather than MST, but that doesn't seem important enough
# (to anyone) to further complicate the rules.
# The transition dates (and times) are guesses.
+# From Matt Johnson (2015-09-21):
+# Fort Nelson, BC, Canada will cancel DST this year. So while previously they
+# were aligned with America/Vancouver, they're now aligned with
+# America/Dawson_Creek.
+# http://www.northernrockies.ca/EN/meta/news/archives/2015/northern-rockies-time-change.html
+#
+# From Tim Parenti (2015-09-23):
+# This requires a new zone for the Northern Rockies Regional Municipality,
+# America/Fort_Nelson. The resolution of 2014-12-08 was reached following a
+# 2014-11-15 poll with nearly 75% support. Effectively, the municipality has
+# been on MST (-0700) like Dawson Creek since it advanced its clocks on
+# 2015-03-08.
+#
+# From Paul Eggert (2015-09-23):
+# Shanks says Fort Nelson did not observe DST in 1946, unlike Vancouver.
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Vanc 1918 only - Apr 14 2:00 1:00 D
Rule Vanc 1918 only - Oct 27 2:00 0 S
Rule Vanc 1942 only - Feb 9 2:00 1:00 W # War
Rule Vanc 1945 only - Aug 14 23:00u 1:00 P # Peace
@@ -1862,10 +1858,16 @@
-8:00 Canada P%sT
Zone America/Dawson_Creek -8:00:56 - LMT 1884
-8:00 Canada P%sT 1947
-8:00 Vanc P%sT 1972 Aug 30 2:00
-7:00 - MST
+Zone America/Fort_Nelson -8:10:47 - LMT 1884
+ -8:00 Vanc P%sT 1946
+ -8:00 - PST 1947
+ -8:00 Vanc P%sT 1987
+ -8:00 Canada P%sT 2015 Mar 8 2:00
+ -7:00 - MST
Zone America/Creston -7:46:04 - LMT 1884
-7:00 - MST 1916 Oct 1
-8:00 - PST 1918 Jun 2
-7:00 - MST
@@ -1873,22 +1875,120 @@
# From Paul Eggert (2006-03-22):
# Dawson switched to PST in 1973. Inuvik switched to MST in 1979.
# 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;
+# c. 7 defines Yukon standard time as UTC-9....
# see Interpretation Act, R.S.C. 1985, c. I-21, s. 35(1).
+# [http://canlii.ca/t/7vhg]
# * C.O. 1973/214 switched Yukon to PST on 1973-10-28 00:00.
# * O.I.C. 1980/02 established DST.
# * O.I.C. 1987/056 changed DST to Apr firstSun 2:00 to Oct lastSun 2:00.
-# Shanks & Pottenger say Yukon's 1973-10-28 switch was at 2:00; go
-# with Englander.
-# From Chris Walton (2006-06-26):
-# Here is a link to the old daylight saving portion of the interpretation
-# act which was last updated in 1987:
-# http://www.gov.yk.ca/legislation/regs/oic1987_056.pdf
+# From Brian Inglis (2015-04-14):
+#
+# I tried to trace the history of Yukon time and found the following
+# regulations, giving the reference title and URL if found, regulation name,
+# and relevant quote if available. Each regulation specifically revokes its
+# predecessor. The final reference is to the current Interpretation Act
+# authorizing and resulting from these regulatory changes.
+#
+# Only recent regulations were retrievable via Yukon government site search or
+# index, and only some via Canadian legal sources. Other sources used include
+# articles titled "Standard Time and Time Zones in Canada" from JRASC via ADS
+# Abstracts, cited by ADO for 1932 ..., and updated versions from 1958 and
+# 1970 quoted below; each article includes current extracts from provincial
+# and territorial ST and DST regulations at the end, summaries and details of
+# standard times and daylight saving time at many locations across Canada,
+# with time zone maps, tables and calculations for Canadian Sunrise, Sunset,
+# and LMST; they also cover many countries and global locations, with a chart
+# and table showing current Universal Time offsets, and may be useful as
+# another source of information for 1970 and earlier.
+#
+# * Standard Time and Time Zones in Canada; Smith, C.C.; JRASC, Vol. 26,
+# pp.49-77; February 1932; SAO/NASA Astrophysics Data System (ADS)
+# http://adsabs.harvard.edu/abs/1932JRASC..26...49S from p.75:
+# Yukon Interpretation Ordinance
+# Yukon standard time is the local mean time at the one hundred and
+# thirty-fifth meridian.
+#
+# * Standard Time and Time Zones in Canada; Smith, C.C.; Thomson, Malcolm M.;
+# JRASC, Vol. 52, pp.193-223; October 1958; SAO/NASA Astrophysics Data System
+# (ADS) http://adsabs.harvard.edu/abs/1958JRASC..52..193S from pp.220-1:
+# Yukon Interpretation Ordinance, 1955, Chap. 16.
+#
+# (1) Subject to this section, standard time shall be reckoned as nine
+# hours behind Greenwich Time and called Yukon Standard Time.
+#
+# (2) Notwithstanding subsection (1), the Commissioner may make regulations
+# varying the manner of reckoning standard time.
+#
+# * Yukon Territory Commissioner's Order 1966-20 Interpretation Ordinance
+# http://? - no online source found
+#
+# * Standard Time and Time Zones in Canada; Thomson, Malcolm M.; JRASC,
+# Vol. 64, pp.129-162; June 1970; SAO/NASA Astrophysics Data System (ADS)
+# http://adsabs.harvard.edu/abs/1970JRASC..64..129T from p.156: Yukon
+# Territory Commissioner's Order 1967-59 Interpretation Ordinance ...
+#
+# 1. Commissioner's Order 1966-20 dated at Whitehorse in the Yukon
+# Territory on 27th January, 1966, is hereby revoked.
+#
+# 2. Yukon (East) Standard Time as defined by section 36 of the
+# Interpretation Ordinance from and after mid-night on the 28th day of May,
+# 1967 shall be reckoned in the same manner as Pacific Standard Time, that
+# is to say, eight hours behind Greenwich Time in the area of the Yukon
+# Territory lying east of the 138th degree longitude west.
+#
+# 3. In the remainder of the Territory, lying west of the 138th degree
+# longitude west, Yukon (West) Standard Time shall be reckoned as nine
+# hours behind Greenwich Time.
+#
+# * Yukon Standard Time defined as Pacific Standard Time, YCO 1973/214
+# http://www.canlii.org/en/yk/laws/regu/yco-1973-214/latest/yco-1973-214.html
+# C.O. 1973/214 INTERPRETATION ACT ...
+#
+# 1. Effective October 28, 1973 Commissioner's Order 1967/59 is hereby
+# revoked.
+#
+# 2. Yukon Standard Time as defined by section 36 of the Interpretation
+# Act from and after midnight on the twenty-eighth day of October, 1973
+# shall be reckoned in the same manner as Pacific Standard Time, that is
+# to say eight hours behind Greenwich Time.
+#
+# * O.I.C. 1980/02 INTERPRETATION ACT
+# http://? - no online source found
+#
+# * Yukon Daylight Saving Time, YOIC 1987/56
+# http://www.canlii.org/en/yk/laws/regu/yoic-1987-56/latest/yoic-1987-56.html
+# O.I.C. 1987/056 INTERPRETATION ACT ...
+#
+# In every year between
+# (a) two o'clock in the morning in the first Sunday in April, and
+# (b) two o'clock in the morning in the last Sunday in October,
+# Standard Time shall be reckoned as seven hours behind Greenwich Time and
+# called Yukon Daylight Saving Time.
+# ...
+# Dated ... 9th day of March, A.D., 1987.
+#
+# * Yukon Daylight Saving Time 2006, YOIC 2006/127
+# http://www.canlii.org/en/yk/laws/regu/yoic-2006-127/latest/yoic-2006-127.html
+# O.I.C. 2006/127 INTERPRETATION ACT ...
+#
+# 1. In Yukon each year the time for general purposes shall be 7 hours
+# behind Greenwich mean time during the period commencing at two o'clock
+# in the forenoon on the second Sunday of March and ending at two o'clock
+# in the forenoon on the first Sunday of November and shall be called
+# Yukon Daylight Saving Time.
+#
+# 2. Order-in-Council 1987/56 is revoked.
+#
+# 3. This order comes into force January 1, 2007.
+#
+# * Interpretation Act, RSY 2002, c 125
+# http://www.canlii.org/en/yk/laws/stat/rsy-2002-c-125/latest/rsy-2002-c-125.html
+
# From Rives McDow (1999-09-04):
# Nunavut ... moved ... to incorporate the whole territory into one time zone.
# Nunavut moves to single time zone Oct. 31
# http://www.nunatsiaq.com/nunavut/nvt90903_13.html
#
@@ -2109,11 +2209,11 @@
Zone America/Inuvik 0 - zzz 1953 # Inuvik founded
-8:00 NT_YK P%sT 1979 Apr lastSun 2:00
-7:00 NT_YK M%sT 1980
-7:00 Canada M%sT
Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20
- -9:00 NT_YK Y%sT 1966 Jul 1 2:00
+ -9:00 NT_YK Y%sT 1967 May 28 0:00
-8:00 NT_YK P%sT 1980
-8:00 Canada P%sT
Zone America/Dawson -9:17:40 - LMT 1900 Aug 20
-9:00 NT_YK Y%sT 1973 Oct 28 0:00
-8:00 NT_YK P%sT 1980
@@ -2310,12 +2410,28 @@
# From Steffen Thorsen (2015-01-14), translated by Gwillim Law:
# http://sipse.com/novedades/confirman-aplicacion-de-nueva-zona-horaria-para-quintana-roo-132331.html
# "...the new time zone will come into effect at two o'clock on the first Sunday
# of February, when we will have to advance the clock one hour from its current
# time..."
-#
# Also, the new zone will not use DST.
+#
+# From Carlos Raúl Perasso (2015-02-02):
+# The decree that modifies the Mexican Hour System Law has finally
+# been published at the Diario Oficial de la Federación
+# http://www.dof.gob.mx/nota_detalle.php?codigo=5380123&fecha=31/01/2015
+# It establishes 5 zones for Mexico:
+# 1- Zona Centro (Central Zone): Corresponds to longitude 90 W,
+# includes most of Mexico, excluding what's mentioned below.
+# 2- Zona Pacífico (Pacific Zone): Longitude 105 W, includes the
+# states of Baja California Sur; Chihuahua; Nayarit (excluding Bahía
+# de Banderas which lies in Central Zone); Sinaloa and Sonora.
+# 3- Zona Noroeste (Northwest Zone): Longitude 120 W, includes the
+# state of Baja California.
+# 4- Zona Sureste (Southeast Zone): Longitude 75 W, includes the state
+# of Quintana Roo.
+# 5- The islands, reefs and keys shall take their timezone from the
+# longitude they are located at.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Mexico 1939 only - Feb 5 0:00 1:00 D
Rule Mexico 1939 only - Jun 25 0:00 0 S
Rule Mexico 1940 only - Dec 9 0:00 1:00 D
@@ -2506,18 +2622,13 @@
# no information
###############################################################################
# Anguilla
+# Antigua and Barbuda
# See America/Port_of_Spain.
-# Antigua and Barbuda
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/Antigua -4:07:12 - LMT 1912 Mar 2
- -5:00 - EST 1951
- -4:00 - AST
-
# Bahamas
#
# For 1899 Milne gives -5:09:29.5; round that.
#
# From Sue Williams (2006-12-07):
@@ -2579,14 +2690,21 @@
-4:00 - AST 1974 Apr 28 2:00
-4:00 Canada A%sT 1976
-4:00 US A%sT
# Cayman Is
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+
+# From Paul Eggert (2015-05-15):
+# The Cayman government has decided to introduce DST in 2016, the idea being
+# to keep in sync with New York. The legislation hasn't passed but the change
+# seems quite likely. See: Meade B. Cayman 27.
+# http://www.cayman27.com.ky/2015/05/15/clock-ticks-toward-daylight-saving-time-in-cayman
+
Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown
-5:07:11 - KMT 1912 Feb # Kingston Mean Time
- -5:00 - EST
+ -5:00 - EST 2016
+ -5:00 US E%sT
# Costa Rica
# Milne gives -5:36:13.3 as San José mean time; round to nearest.