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authoredwin <edwin@FreeBSD.org>2014-06-13 23:56:47 +0000
committeredwin <edwin@FreeBSD.org>2014-06-13 23:56:47 +0000
commit6cdfe37630f3136a0cf430860136cb245fe29ee7 (patch)
tree32436a2856415ac7480eddb7102bdea3fe5f40be /contrib/tzdata
parenta1c13e65bc4213b696ef46d268747f917f28d9d5 (diff)
downloadFreeBSD-src-6cdfe37630f3136a0cf430860136cb245fe29ee7.zip
FreeBSD-src-6cdfe37630f3136a0cf430860136cb245fe29ee7.tar.gz
Vendor import of tzdata2014e changes
Fix historical data for Egypt. Better prediction for future Egypt / Morocco changes. Update to Cocos / Cook islands. Fix historical data for Russia. Obtained from: ftp://ftp.iana.org/tz/releases/
Diffstat (limited to 'contrib/tzdata')
-rw-r--r--contrib/tzdata/africa238
-rw-r--r--contrib/tzdata/australasia28
-rw-r--r--contrib/tzdata/etcetera4
-rw-r--r--contrib/tzdata/europe27
-rw-r--r--contrib/tzdata/factory2
-rw-r--r--contrib/tzdata/leapseconds70
-rw-r--r--contrib/tzdata/northamerica4
-rw-r--r--contrib/tzdata/zone.tab3
8 files changed, 180 insertions, 196 deletions
diff --git a/contrib/tzdata/africa b/contrib/tzdata/africa
index 83bff2e..90f7735 100644
--- a/contrib/tzdata/africa
+++ b/contrib/tzdata/africa
@@ -239,13 +239,13 @@ Rule Egypt 1990 1994 - May 1 1:00 1:00 S
# http://www.worldtimezone.com/dst_news/dst_news_egypt04.html
# </a>
Rule Egypt 1995 2010 - Apr lastFri 0:00s 1:00 S
-Rule Egypt 1995 2005 - Sep lastThu 23:00s 0 -
+Rule Egypt 1995 2005 - Sep lastThu 24:00 0 -
# From Steffen Thorsen (2006-09-19):
# The Egyptian Gazette, issue 41,090 (2006-09-18), page 1, reports:
# Egypt will turn back clocks by one hour at the midnight of Thursday
# after observing the daylight saving time since May.
# http://news.gom.com.eg/gazette/pdf/2006/09/18/01.pdf
-Rule Egypt 2006 only - Sep 21 23:00s 0 -
+Rule Egypt 2006 only - Sep 21 24:00 0 -
# From Dirk Losch (2007-08-14):
# I received a mail from an airline which says that the daylight
# saving time in Egypt will end in the night of 2007-09-06 to 2007-09-07.
@@ -254,7 +254,7 @@ Rule Egypt 2006 only - Sep 21 23:00s 0 -
# http://www.timeanddate.com/worldclock/city.html?n=53
# From Steffen Thorsen (2007-09-04): The official information...:
# http://www.sis.gov.eg/En/EgyptOnline/Miscellaneous/000002/0207000000000000001580.htm
-Rule Egypt 2007 only - Sep Thu>=1 23:00s 0 -
+Rule Egypt 2007 only - Sep Thu>=1 24:00 0 -
# From Abdelrahman Hassan (2007-09-06):
# Due to the Hijri (lunar Islamic calendar) year being 11 days shorter
# than the year of the Gregorian calendar, Ramadan shifts earlier each
@@ -342,46 +342,77 @@ Rule Egypt 2007 only - Sep Thu>=1 23:00s 0 -
# From Gunther Vermier (2015-05-13):
# our Egypt office confirms that the change will be at 15 May "midnight" (24:00)
-# From Paul Eggert (2014-05-13):
+# From Imed Chihi (2014-06-04):
+# We have finally "located" a precise official reference about the DST changes
+# in Egypt. The Ministers Cabinet decision is explained at
+# http://www.cabinet.gov.eg/Media/CabinetMeetingsDetails.aspx?id=347 ...
+# [T]his (Arabic) site is not accessible outside Egypt, but the page ...
+# translates into: "With regard to daylight saving time, it is scheduled to
+# take effect at exactly twelve o'clock this evening, Thursday, 15 MAY 2014,
+# to be suspended by twelve o'clock on the evening of Thursday, 26 JUN 2014,
+# and re-established again at the end of the month of Ramadan, at twelve
+# o'clock on the evening of Thursday, 31 JUL 2014." This statement has been
+# reproduced by other (more accessible) sites[, e.g.,]...
+# http://elgornal.net/news/news.aspx?id=4699258
+
+# From Paul Eggert (2014-06-04):
# Sarah El Deeb and Lee Keath of AP report that the Egyptian government says
# the change is because of blackouts in Cairo, even though Ahram Online (cited
-# above) says DST had no affect on electricity consumption. The AP story says
-# DST will not be observed during Ramadan. There is no information about when
-# DST will end. See:
+# above) says DST had no affect on electricity consumption. There is
+# no information about when DST will end this fall. See:
# http://abcnews.go.com/International/wireStory/el-sissi-pushes-egyptians-line-23614833
#
-# For now, guess that later transitions will use 2010's rules, and that
-# Egypt will agree with Morocco (see below) about the date Ramadan starts and
-# ends, though (unlike Morocco) it will switch at 00:00 standard time. In
-# Egypt the spring-forward transitions are removed for 2020-2022, when the
-# guessed spring-forward date falls during the estimated Ramadan, and all
-# transitions removed for 2023-2038, where the estimated Ramadan falls entirely
-# outside the guessed daylight-saving time. Ramadan intrudes on the guessed
-# DST starting in 2039, but that's beyond our somewhat-arbitrary cutoff.
-
-Rule Egypt 2008 only - Aug lastThu 23:00s 0 -
-Rule Egypt 2009 only - Aug 20 23:00s 0 -
-Rule Egypt 2010 only - Aug 11 0:00 0 -
-Rule Egypt 2010 only - Sep 10 0:00 1:00 S
-Rule Egypt 2010 only - Sep lastThu 23:00s 0 -
+# For now, guess that later spring and fall transitions will use
+# 2010's rules, and guess that Egypt will switch to standard time at
+# 24:00 the last Thursday before Ramadan, and back to DST at 00:00 the
+# first Friday after Ramadan. To implement this,
+# transition dates for 2015 through 2037 were determined by running
+# the following program under GNU Emacs 24.3, with the results integrated
+# by hand into the table below. Ramadan again intrudes on the guessed
+# DST starting in 2038, but that's beyond our somewhat-arbitrary cutoff.
+# (let ((islamic-year 1436))
+# (while (< islamic-year 1460)
+# (let ((a (calendar-islamic-to-absolute (list 9 1 islamic-year)))
+# (b (calendar-islamic-to-absolute (list 10 1 islamic-year)))
+# (friday 5))
+# (while (/= friday (mod a 7))
+# (setq a (1- a)))
+# (while (/= friday (mod b 7))
+# (setq b (1+ b)))
+# (setq a (1- a))
+# (setq b (1- b))
+# (setq a (calendar-gregorian-from-absolute a))
+# (setq b (calendar-gregorian-from-absolute b))
+# (insert
+# (format
+# (concat "Rule\tEgypt\t%d\tonly\t-\t%s\t%2d\t24:00\t0\t-\n"
+# "Rule\tEgypt\t%d\tonly\t-\t%s\t%2d\t24:00\t1:00\tS\n")
+# (car (cdr (cdr a))) (calendar-month-name (car a) t) (car (cdr a))
+# (car (cdr (cdr b))) (calendar-month-name (car b) t) (car (cdr b)))))
+# (setq islamic-year (+ 1 islamic-year))))
+Rule Egypt 2008 only - Aug lastThu 24:00 0 -
+Rule Egypt 2009 only - Aug 20 24:00 0 -
+Rule Egypt 2010 only - Aug 10 24:00 0 -
+Rule Egypt 2010 only - Sep 9 24:00 1:00 S
+Rule Egypt 2010 only - Sep lastThu 24:00 0 -
Rule Egypt 2014 only - May 15 24:00 1:00 S
-Rule Egypt 2014 only - Jun 29 0:00s 0 -
-Rule Egypt 2014 only - Jul 29 0:00s 1:00 S
-Rule Egypt 2014 max - Sep lastThu 23:00s 0 -
+Rule Egypt 2014 only - Jun 26 24:00 0 -
+Rule Egypt 2014 only - Jul 31 24:00 1:00 S
+Rule Egypt 2014 max - Sep lastThu 24:00 0 -
Rule Egypt 2015 2019 - Apr lastFri 0:00s 1:00 S
-Rule Egypt 2015 only - Jun 18 0:00s 0 -
-Rule Egypt 2015 only - Jul 18 0:00s 1:00 S
-Rule Egypt 2016 only - Jun 7 0:00s 0 -
-Rule Egypt 2016 only - Jul 7 0:00s 1:00 S
-Rule Egypt 2017 only - May 27 0:00s 0 -
-Rule Egypt 2017 only - Jun 26 0:00s 1:00 S
-Rule Egypt 2018 only - May 16 0:00s 0 -
-Rule Egypt 2018 only - Jun 15 0:00s 1:00 S
-Rule Egypt 2019 only - May 6 0:00s 0 -
-Rule Egypt 2019 only - Jun 5 0:00s 1:00 S
-Rule Egypt 2020 only - May 24 0:00s 1:00 S
-Rule Egypt 2021 only - May 13 0:00s 1:00 S
-Rule Egypt 2022 only - May 3 0:00s 1:00 S
+Rule Egypt 2015 only - Jun 11 24:00 0 -
+Rule Egypt 2015 only - Jul 23 24:00 1:00 S
+Rule Egypt 2016 only - Jun 2 24:00 0 -
+Rule Egypt 2016 only - Jul 7 24:00 1:00 S
+Rule Egypt 2017 only - May 25 24:00 0 -
+Rule Egypt 2017 only - Jun 29 24:00 1:00 S
+Rule Egypt 2018 only - May 10 24:00 0 -
+Rule Egypt 2018 only - Jun 14 24:00 1:00 S
+Rule Egypt 2019 only - May 2 24:00 0 -
+Rule Egypt 2019 only - Jun 6 24:00 1:00 S
+Rule Egypt 2020 only - May 28 24:00 1:00 S
+Rule Egypt 2021 only - May 13 24:00 1:00 S
+Rule Egypt 2022 only - May 5 24:00 1:00 S
Rule Egypt 2023 max - Apr lastFri 0:00s 1:00 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
@@ -914,39 +945,36 @@ Zone Indian/Mayotte 3:00:56 - LMT 1911 Jul # Mamoutzou
# From Sebastien Willemijns (2014-03-18):
# http://www.afriquinfos.com/articles/2014/3/18/maroc-heure-dete-avancez-tous-horloges-247891.asp
-# From Paul Eggert (2014-03-19):
-# To estimate what the Moroccan government will do in future years,
-# transition dates for 2014 through 2038 were determined by running
-# the following program under GNU Emacs 24.3:
-#
-# (let ((islamic-year 1435))
-# (while (< islamic-year 1461)
-# (let ((a
-# (calendar-gregorian-from-absolute
-# (calendar-islamic-to-absolute (list 9 1 islamic-year))))
-# (b
-# (calendar-gregorian-from-absolute
-# (calendar-islamic-to-absolute (list 10 1 islamic-year)))))
-# (insert
-# (format
-# (concat "Rule\tMorocco\t%d\tonly\t-\t%s\t %2d\t 3:00\t0\t-\n"
-# "Rule\tMorocco\t%d\tonly\t-\t%s\t %2d\t 2:00\t1:00\tS\n")
-# (car (cdr (cdr a))) (calendar-month-name (car a) t) (car (cdr a))
-# (car (cdr (cdr b))) (calendar-month-name (car b) t) (car (cdr b)))))
+# From Milamber Space Network (2014-06-05):
+# The Moroccan government has recently announced that the country will return
+# to standard time at 03:00 on Saturday, June 28, 2014 local time.... DST
+# will resume again at 02:00 on Saturday, August 2, 2014....
+# http://www.mmsp.gov.ma/fr/actualites.aspx?id=586
+
+# From Paul Eggert (2014-06-05):
+# For now, guess that later spring and fall transitions will use 2014's rules,
+# and guess that Morocco will switch to standard time at 03:00 the last
+# Saturday before Ramadan, and back to DST at 02:00 the first Saturday after
+# Ramadan. To implement this, transition dates for 2015 through 2037 were
+# determined by running the following program under GNU Emacs 24.3, with the
+# results integrated by hand into the table below.
+# (let ((islamic-year 1436))
+# (while (< islamic-year 1460)
+# (let ((a (calendar-islamic-to-absolute (list 9 1 islamic-year)))
+# (b (calendar-islamic-to-absolute (list 10 1 islamic-year)))
+# (saturday 6))
+# (while (/= saturday (mod (setq a (1- a)) 7)))
+# (while (/= saturday (mod b 7))
+# (setq b (1+ b)))
+# (setq a (calendar-gregorian-from-absolute a))
+# (setq b (calendar-gregorian-from-absolute b))
+# (insert
+# (format
+# (concat "Rule\tMorocco\t%d\tonly\t-\t%s\t%2d\t 3:00\t0\t-\n"
+# "Rule\tMorocco\t%d\tonly\t-\t%s\t%2d\t 2:00\t1:00\tS\n")
+# (car (cdr (cdr a))) (calendar-month-name (car a) t) (car (cdr a))
+# (car (cdr (cdr b))) (calendar-month-name (car b) t) (car (cdr b)))))
# (setq islamic-year (+ 1 islamic-year))))
-#
-# with spring-forward transitions removed for 2023-2025, when the
-# normal spring-forward date falls during the estimated Ramadan; with
-# all transitions removed for 2026-2035, where the estimated Ramadan
-# falls entirely outside daylight-saving time; and with fall-back
-# transitions removed for 2036-2037, where the normal fall-back
-# date falls during the estimated Ramadan. Normally, the table would
-# stop after 2037 because 32-bit time_t values roll around early in 2038,
-# but that would imply a prediction of perpetual DST after March 2038
-# due to the year-2037 glitches. So, this table instead stops after
-# 2038, the first non-glitchy year after the 32-bit rollover.
-# An advantage of stopping after 2038 is that it lets zic guess
-# TZ='WET0WEST,M3.5.0,M10.5.0/3' for time stamps far in the future.
# RULE NAME FROM TO TYPE IN ON AT SAVE LETTER/S
@@ -968,46 +996,44 @@ Rule Morocco 1978 only - Aug 4 0:00 0 -
Rule Morocco 2008 only - Jun 1 0:00 1:00 S
Rule Morocco 2008 only - Sep 1 0:00 0 -
Rule Morocco 2009 only - Jun 1 0:00 1:00 S
-Rule Morocco 2009 only - Aug 21 0:00 0 -
+Rule Morocco 2009 only - Aug 21 0:00 0 -
Rule Morocco 2010 only - May 2 0:00 1:00 S
Rule Morocco 2010 only - Aug 8 0:00 0 -
Rule Morocco 2011 only - Apr 3 0:00 1:00 S
-Rule Morocco 2011 only - Jul 31 0 0 -
-Rule Morocco 2012 2013 - Apr lastSun 2:00 1:00 S
-Rule Morocco 2012 only - Sep 30 3:00 0 -
-Rule Morocco 2012 only - Jul 20 3:00 0 -
-Rule Morocco 2012 only - Aug 20 2:00 1:00 S
-Rule Morocco 2013 only - Jul 7 3:00 0 -
-Rule Morocco 2013 only - Aug 10 2:00 1:00 S
-Rule Morocco 2013 2035 - Oct lastSun 3:00 0 -
-Rule Morocco 2014 2022 - Mar lastSun 2:00 1:00 S
-Rule Morocco 2014 only - Jun 29 3:00 0 -
-Rule Morocco 2014 only - Jul 29 2:00 1:00 S
-Rule Morocco 2015 only - Jun 18 3:00 0 -
-Rule Morocco 2015 only - Jul 18 2:00 1:00 S
-Rule Morocco 2016 only - Jun 7 3:00 0 -
-Rule Morocco 2016 only - Jul 7 2:00 1:00 S
-Rule Morocco 2017 only - May 27 3:00 0 -
-Rule Morocco 2017 only - Jun 26 2:00 1:00 S
-Rule Morocco 2018 only - May 16 3:00 0 -
-Rule Morocco 2018 only - Jun 15 2:00 1:00 S
-Rule Morocco 2019 only - May 6 3:00 0 -
-Rule Morocco 2019 only - Jun 5 2:00 1:00 S
-Rule Morocco 2020 only - Apr 24 3:00 0 -
-Rule Morocco 2020 only - May 24 2:00 1:00 S
-Rule Morocco 2021 only - Apr 13 3:00 0 -
-Rule Morocco 2021 only - May 13 2:00 1:00 S
-Rule Morocco 2022 only - Apr 3 3:00 0 -
-Rule Morocco 2022 only - May 3 2:00 1:00 S
-Rule Morocco 2023 only - Apr 22 2:00 1:00 S
-Rule Morocco 2024 only - Apr 10 2:00 1:00 S
-Rule Morocco 2025 only - Mar 31 2:00 1:00 S
-Rule Morocco 2026 max - Mar lastSun 2:00 1:00 S
-Rule Morocco 2036 only - Oct 21 3:00 0 -
-Rule Morocco 2037 only - Oct 11 3:00 0 -
-Rule Morocco 2038 only - Sep 30 3:00 0 -
-Rule Morocco 2038 only - Oct 30 2:00 1:00 S
-Rule Morocco 2038 max - Oct lastSun 3:00 0 -
+Rule Morocco 2011 only - Jul 31 0 0 -
+Rule Morocco 2012 2013 - Apr lastSun 2:00 1:00 S
+Rule Morocco 2012 only - Sep 30 3:00 0 -
+Rule Morocco 2012 only - Jul 20 3:00 0 -
+Rule Morocco 2012 only - Aug 20 2:00 1:00 S
+Rule Morocco 2013 only - Jul 7 3:00 0 -
+Rule Morocco 2013 only - Aug 10 2:00 1:00 S
+Rule Morocco 2013 max - Oct lastSun 3:00 0 -
+Rule Morocco 2014 2022 - Mar lastSun 2:00 1:00 S
+Rule Morocco 2014 only - Jun 28 3:00 0 -
+Rule Morocco 2014 only - Aug 2 2:00 1:00 S
+Rule Morocco 2015 only - Jun 13 3:00 0 -
+Rule Morocco 2015 only - Jul 18 2:00 1:00 S
+Rule Morocco 2016 only - Jun 4 3:00 0 -
+Rule Morocco 2016 only - Jul 9 2:00 1:00 S
+Rule Morocco 2017 only - May 20 3:00 0 -
+Rule Morocco 2017 only - Jul 1 2:00 1:00 S
+Rule Morocco 2018 only - May 12 3:00 0 -
+Rule Morocco 2018 only - Jun 16 2:00 1:00 S
+Rule Morocco 2019 only - May 4 3:00 0 -
+Rule Morocco 2019 only - Jun 8 2:00 1:00 S
+Rule Morocco 2020 only - Apr 18 3:00 0 -
+Rule Morocco 2020 only - May 30 2:00 1:00 S
+Rule Morocco 2021 only - Apr 10 3:00 0 -
+Rule Morocco 2021 only - May 15 2:00 1:00 S
+Rule Morocco 2022 only - Apr 2 3:00 0 -
+Rule Morocco 2022 only - May 7 2:00 1:00 S
+Rule Morocco 2023 only - Apr 22 2:00 1:00 S
+Rule Morocco 2024 only - Apr 13 2:00 1:00 S
+Rule Morocco 2025 only - Apr 5 2:00 1:00 S
+Rule Morocco 2026 max - Mar lastSun 2:00 1:00 S
+Rule Morocco 2035 only - Oct 27 3:00 0 -
+Rule Morocco 2036 only - Oct 18 3:00 0 -
+Rule Morocco 2037 only - Oct 10 3:00 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Africa/Casablanca -0:30:20 - LMT 1913 Oct 26
diff --git a/contrib/tzdata/australasia b/contrib/tzdata/australasia
index a61c184..2a8297b 100644
--- a/contrib/tzdata/australasia
+++ b/contrib/tzdata/australasia
@@ -250,24 +250,14 @@ Zone Antarctica/Macquarie 0 - zzz 1899 Nov
Zone Indian/Christmas 7:02:52 - LMT 1895 Feb
7:00 - CXT # Christmas Island Time
-# Cook Is
-# From Shanks & Pottenger:
-# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
-Rule Cook 1978 only - Nov 12 0:00 0:30 HS
-Rule Cook 1979 1991 - Mar Sun>=1 0:00 0 -
-Rule Cook 1979 1990 - Oct lastSun 0:00 0:30 HS
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Pacific/Rarotonga -10:39:04 - LMT 1901 # Avarua
- -10:30 - CKT 1978 Nov 12 # Cook Is Time
- -10:00 Cook CK%sT
-
-# Cocos
+# Cocos (Keeling) Is
# These islands were ruled by the Ross family from about 1830 to 1978.
# We don't know when standard time was introduced; for now, we guess 1900.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Indian/Cocos 6:27:40 - LMT 1900
6:30 - CCT # Cocos Islands Time
+
# Fiji
# Milne gives 11:55:44 for Suva.
@@ -473,7 +463,8 @@ Rule NZ 1934 1940 - Apr lastSun 2:00 0 M
Rule NZ 1934 1940 - Sep lastSun 2:00 0:30 S
Rule NZ 1946 only - Jan 1 0:00 0 S
# Since 1957 Chatham has been 45 minutes ahead of NZ, but there's no
-# convenient notation for this so we must duplicate the Rule lines.
+# convenient single notation for the date and time of this transition
+# so we must duplicate the Rule lines.
Rule NZ 1974 only - Nov Sun>=1 2:00s 1:00 D
Rule Chatham 1974 only - Nov Sun>=1 2:45s 1:00 D
Rule NZ 1975 only - Feb lastSun 2:00s 0 S
@@ -511,6 +502,17 @@ Link Pacific/Auckland Antarctica/McMurdo
# previously whalers, sealers, pastoralists, and scientific personnel wintered
# was probably like Pacific/Auckland
+# Cook Is
+# From Shanks & Pottenger:
+# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
+Rule Cook 1978 only - Nov 12 0:00 0:30 HS
+Rule Cook 1979 1991 - Mar Sun>=1 0:00 0 -
+Rule Cook 1979 1990 - Oct lastSun 0:00 0:30 HS
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Pacific/Rarotonga -10:39:04 - LMT 1901 # Avarua
+ -10:30 - CKT 1978 Nov 12 # Cook Is Time
+ -10:00 Cook CK%sT
+
###############################################################################
diff --git a/contrib/tzdata/etcetera b/contrib/tzdata/etcetera
index 0f9ac0f..9ba7f7b 100644
--- a/contrib/tzdata/etcetera
+++ b/contrib/tzdata/etcetera
@@ -15,9 +15,9 @@ Zone Etc/UCT 0 - UCT
# The following link uses older naming conventions,
# but it belongs here, not in the file `backward',
-# as functions like gmtime load the "UTC" file to handle leap seconds properly.
+# as functions like gmtime load the "GMT" file to handle leap seconds properly.
# We want this to work even on installations that omit the other older names.
-Link Etc/UTC UTC
+Link Etc/GMT GMT
Link Etc/UTC Etc/Universal
Link Etc/UTC Etc/Zulu
diff --git a/contrib/tzdata/europe b/contrib/tzdata/europe
index bfc596a..7ae96ff 100644
--- a/contrib/tzdata/europe
+++ b/contrib/tzdata/europe
@@ -6,7 +6,7 @@
# go ahead and edit the file (and please send any changes to
# tz@iana.org for general use in the future).
-# From Paul Eggert (2006-03-22):
+# From Paul Eggert (2014-05-31):
# A good source for time zone historical data outside the U.S. is
# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
# San Diego: ACS Publications, Inc. (2003).
@@ -17,6 +17,9 @@
# published semiannually. Law sent in several helpful summaries
# of the IATA's data after 1990.
#
+# A reliable and entertaining source about time zones is
+# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
+#
# Except where otherwise noted, Shanks & Pottenger is the source for
# entries through 1991, and IATA SSIM is the source for entries afterwards.
#
@@ -26,9 +29,9 @@
# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated),
# which I found in the UCLA library.
#
-# <a href="http://www.pettswoodvillage.co.uk/Daylight_Savings_William_Willett.pdf">
# William Willett, The Waste of Daylight, 19th edition
-# </a> (1914-03)
+# <http://cs.ucla.edu/~eggert/The-Waste-of-Daylight-19th.pdf>
+# [PDF] (1914-03)
#
# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
# <http://www.jstor.org/stable/1774359>. He writes:
@@ -58,10 +61,7 @@
# 1:00 CET CEST CEMT Central Europe
# 1:00:14 SET Swedish (1879-1899)*
# 2:00 EET EEST Eastern Europe
-# 3:00 MSK MSD Moscow
-#
-# A reliable and entertaining source about time zones, especially in Britain,
-# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
+# 3:00 MSK MSD MSM* Moscow
# From Peter Ilieve (1994-12-04),
# The original six [EU members]: Belgium, France, (West) Germany, Italy,
@@ -558,11 +558,11 @@ Rule Russia 1917 only - Dec 28 0:00 0 MMT # Moscow Mean Time
Rule Russia 1918 only - May 31 22:00 2:00 MDST # Moscow Double Summer Time
Rule Russia 1918 only - Sep 16 1:00 1:00 MST
Rule Russia 1919 only - May 31 23:00 2:00 MDST
-Rule Russia 1919 only - Jul 1 2:00 1:00 S
-Rule Russia 1919 only - Aug 16 0:00 0 -
-Rule Russia 1921 only - Feb 14 23:00 1:00 S
-Rule Russia 1921 only - Mar 20 23:00 2:00 M # Midsummer
-Rule Russia 1921 only - Sep 1 0:00 1:00 S
+Rule Russia 1919 only - Jul 1 2:00 1:00 MSD
+Rule Russia 1919 only - Aug 16 0:00 0 MSK
+Rule Russia 1921 only - Feb 14 23:00 1:00 MSD
+Rule Russia 1921 only - Mar 20 23:00 2:00 MSM # Midsummer
+Rule Russia 1921 only - Sep 1 0:00 1:00 MSD
Rule Russia 1921 only - Oct 1 0:00 0 -
# Act No.925 of the Council of Ministers of the USSR (1980-10-24):
Rule Russia 1981 1984 - Apr 1 0:00 1:00 S
@@ -2217,6 +2217,7 @@ Zone Europe/Kaliningrad 1:22:00 - LMT 1893 Apr
Zone Europe/Moscow 2:30:20 - LMT 1880
2:30 - MMT 1916 Jul 3 # Moscow Mean Time
2:30:48 Russia %s 1919 Jul 1 2:00
+ 3:00 Russia %s 1921 Oct
3:00 Russia MSK/MSD 1922 Oct
2:00 - EET 1930 Jun 21
3:00 Russia MSK/MSD 1991 Mar 31 2:00s
@@ -2375,7 +2376,7 @@ Zone Asia/Yakutsk 8:38:40 - LMT 1919 Dec 15
Zone Asia/Vladivostok 8:47:44 - LMT 1922 Nov 15
9:00 - VLAT 1930 Jun 21 # Vladivostok Time
10:00 Russia VLA%sT 1991 Mar 31 2:00s
- 9:00 Russia VLA%sST 1992 Jan 19 2:00s
+ 9:00 Russia VLA%sT 1992 Jan 19 2:00s
10:00 Russia VLA%sT 2011 Mar 27 2:00s
11:00 - VLAT
diff --git a/contrib/tzdata/factory b/contrib/tzdata/factory
index a171497..d29a585 100644
--- a/contrib/tzdata/factory
+++ b/contrib/tzdata/factory
@@ -7,4 +7,4 @@
# Also useful for the "comp.sources" version.
# Zone NAME GMTOFF RULES FORMAT
-Zone Factory 0 - "Local time zone must be set--use tzsetup"
+Zone Factory 0 - "Local time zone must be set--see zic manual page"
diff --git a/contrib/tzdata/leapseconds b/contrib/tzdata/leapseconds
index 5b5c70e..0a48dac 100644
--- a/contrib/tzdata/leapseconds
+++ b/contrib/tzdata/leapseconds
@@ -1,14 +1,20 @@
-# <pre>
-# This file is in the public domain, so clarified as of
-# 2009-05-17 by Arthur David Olson.
-
# Allowance for leapseconds added to each timezone file.
+# This file is in the public domain.
+
+# This file is generated automatically from the data in the public-domain
+# leap-seconds.list file available from most NIST time servers.
+# If the URL <ftp://time.nist.gov/pub/leap-seconds.list> does not work,
+# you should be able to pick up leap-seconds.list from a secondary NIST server.
+# For more about leap-seconds.list, please see
+# The NTP Timescale and Leap Seconds
+# <http://www.eecis.udel.edu/~mills/leap.html>.
+
# The International Earth Rotation Service periodically uses leap seconds
# to keep UTC to within 0.9 s of UT1
# (which measures the true angular orientation of the earth in space); see
# Terry J Quinn, The BIPM and the accurate measure of time,
-# Proc IEEE 79, 7 (July 1991), 894-905.
+# Proc IEEE 79, 7 (July 1991), 894-905 <http://dx.doi.org/10.1109/5.84965>.
# There were no leap seconds before 1972, because the official mechanism
# accounting for the discrepancy between atomic time and the earth's rotation
# did not exist until the early 1970s.
@@ -19,8 +25,8 @@
# or
# Leap YEAR MON DAY 23:59:59 - R/S
-# If the leapsecond is Rolling (R) the given time is local time
-# If the leapsecond is Stationary (S) the given time is UTC
+# If the leapsecond is Rolling (R) the given time is local time.
+# If the leapsecond is Stationary (S) the given time is UTC.
# Leap YEAR MONTH DAY HH:MM:SS CORR R/S
Leap 1972 Jun 30 23:59:60 + S
@@ -48,53 +54,3 @@ Leap 1998 Dec 31 23:59:60 + S
Leap 2005 Dec 31 23:59:60 + S
Leap 2008 Dec 31 23:59:60 + S
Leap 2012 Jun 30 23:59:60 + S
-
-# INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS)
-#
-# SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE
-#
-#
-# SERVICE DE LA ROTATION TERRESTRE
-# OBSERVATOIRE DE PARIS
-# 61, Av. de l'Observatoire 75014 PARIS (France)
-# Tel. : 33 (0) 1 40 51 22 26
-# FAX : 33 (0) 1 40 51 22 91
-# e-mail : (E-Mail Removed)
-# http://hpiers.obspm.fr/eop-pc
-#
-# Paris, 5 January 2012
-#
-#
-# Bulletin C 43
-#
-# To authorities responsible
-# for the measurement and
-# distribution of time
-#
-#
-# UTC TIME STEP
-# on the 1st of July 2012
-#
-#
-# A positive leap second will be introduced at the end of June 2012.
-# The sequence of dates of the UTC second markers will be:
-#
-# 2012 June 30, 23h 59m 59s
-# 2012 June 30, 23h 59m 60s
-# 2012 July 1, 0h 0m 0s
-#
-# The difference between UTC and the International Atomic Time TAI is:
-#
-# from 2009 January 1, 0h UTC, to 2012 July 1 0h UTC : UTC-TAI = - 34s
-# from 2012 July 1, 0h UTC, until further notice : UTC-TAI = - 35s
-#
-# Leap seconds can be introduced in UTC at the end of the months of December
-# or June, depending on the evolution of UT1-TAI. Bulletin C is mailed every
-# six months, either to announce a time step in UTC or to confirm that there
-# will be no time step at the next possible date.
-#
-#
-# Daniel GAMBIS
-# Head
-# Earth Orientation Center of IERS
-# Observatoire de Paris, France
diff --git a/contrib/tzdata/northamerica b/contrib/tzdata/northamerica
index d51a7e1..9660a46 100644
--- a/contrib/tzdata/northamerica
+++ b/contrib/tzdata/northamerica
@@ -1019,9 +1019,9 @@ Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00
# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated),
# which I found in the UCLA library.
#
-# <a href="http://www.pettswoodvillage.co.uk/Daylight_Savings_William_Willett.pdf">
# William Willett, The Waste of Daylight, 19th edition
-# </a> (1914-03)
+# <http://cs.ucla.edu/~eggert/The-Waste-of-Daylight-19th.pdf>
+# [PDF] (1914-03)
#
# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
# <http://www.jstor.org/stable/1774359>.
diff --git a/contrib/tzdata/zone.tab b/contrib/tzdata/zone.tab
index 1354794..923d6ac 100644
--- a/contrib/tzdata/zone.tab
+++ b/contrib/tzdata/zone.tab
@@ -10,8 +10,7 @@
# zone where civil clocks have agreed since 1970. The columns of the
# table are as follows:
#
-# 1. ISO 3166 2-character country code.
-# See the file '/usr/share/misc/iso3166.tab'.
+# 1. ISO 3166 2-character country code. See the file 'iso3166.tab'.
# 2. Latitude and longitude of the area's principal location
# in ISO 6709 sign-degrees-minutes-seconds format,
# either +-DDMM+-DDDMM or +-DDMMSS+-DDDMMSS,
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