MFV of 279704,tzdata{2015a}
Release 2015a - 2015-01-29
Changes affecting future time stamps
The Mexican state of Quintana Roo, represented by America/Cancun,
will shift from Central Time with DST to Eastern Time without DST
on 2015-02-01 at 02:00. (Thanks to Steffen Thorsen and Gwillim Law.)
Chile will not change clocks in April or thereafter; its new standard time
will be its old daylight saving time. This affects America/Santiago,
Pacific/Easter, and Antarctica/Palmer. (Thanks to Juan Correa.)
New leap second 2015-06-30 23:59:60 UTC as per IERS Bulletin C 49.
(Thanks to Tim Parenti.)
Changes affecting past time stamps
Iceland observed DST in 1919 and 1921, and its 1939 fallback
transition was Oct. 29, not Nov. 29. Remove incorrect data from
Shanks about time in Iceland between 1837 and 1908.
Some more zones have been turned into links, when they differed
from existing zones only for older time stamps. As usual,
these changes affect UTC offsets in pre-1970 time stamps only.
Their old contents have been moved to the 'backzone' file.
The affected zones are: Asia/Aden, Asia/Bahrain, Asia/Kuwait,
and Asia/Muscat.
This commit is contained in:
Edwin Groothuis
commit
2627f31ff0
@ -47,8 +47,8 @@ Rule ChileAQ 2009 only - Mar Sun>=9 3:00u 0 -
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Rule ChileAQ 2010 only - Apr Sun>=1 3:00u 0 -
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Rule ChileAQ 2011 only - May Sun>=2 3:00u 0 -
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Rule ChileAQ 2011 only - Aug Sun>=16 4:00u 1:00 S
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Rule ChileAQ 2012 max - Apr Sun>=23 3:00u 0 -
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Rule ChileAQ 2012 max - Sep Sun>=2 4:00u 1:00 S
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Rule ChileAQ 2012 2015 - Apr Sun>=23 3:00u 0 -
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Rule ChileAQ 2012 2014 - Sep Sun>=2 4:00u 1:00 S
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# Argentina - year-round bases
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# Belgrano II, Confin Coast, -770227-0343737, since 1972-02-05
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@ -354,9 +354,10 @@ Zone Antarctica/Rothera 0 - zzz 1976 Dec 1
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#
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Antarctica/Palmer 0 - zzz 1965
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-4:00 ArgAQ AR%sT 1969 Oct 5
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-4:00 ArgAQ AR%sT 1969 Oct 5
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-3:00 ArgAQ AR%sT 1982 May
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-4:00 ChileAQ CL%sT
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-4:00 ChileAQ CL%sT 2015 Apr 26 3:00u
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-3:00 - CLT
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#
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#
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# McMurdo Station, Ross Island, since 1955-12
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@ -145,10 +145,7 @@ Zone Asia/Baku 3:19:24 - LMT 1924 May 2
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4:00 Azer AZ%sT
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# Bahrain
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Asia/Bahrain 3:22:20 - LMT 1920 # Manamah
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4:00 - GST 1972 Jun
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3:00 - AST
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# See Asia/Qatar.
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# Bangladesh
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# From Alexander Krivenyshev (2009-05-13):
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@ -1731,9 +1728,7 @@ Zone Asia/Pyongyang 8:23:00 - LMT 1908 Apr 1
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###############################################################################
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# Kuwait
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Asia/Kuwait 3:11:56 - LMT 1950
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3:00 - AST
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# See Asia/Riyadh.
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# Laos
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# See Asia/Bangkok.
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@ -1954,12 +1949,7 @@ Zone Asia/Kathmandu 5:41:16 - LMT 1920
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5:45 - NPT # Nepal Time
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# Oman
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# Milne says 3:54:24 was the meridian of the Muscat Tidal Observatory.
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Asia/Muscat 3:54:24 - LMT 1920
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4:00 - GST
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# See Asia/Dubai.
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# Pakistan
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@ -2453,6 +2443,7 @@ Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31
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Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah / Doha
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4:00 - GST 1972 Jun
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3:00 - AST
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Link Asia/Qatar Asia/Bahrain
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# Saudi Arabia
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#
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@ -2479,6 +2470,8 @@ Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah / Doha
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Asia/Riyadh 3:06:52 - LMT 1947 Mar 14
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3:00 - AST
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Link Asia/Riyadh Asia/Aden # Yemen
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Link Asia/Riyadh Asia/Kuwait
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# Singapore
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# taken from Mok Ly Yng (2003-10-30)
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@ -2767,6 +2760,7 @@ Zone Asia/Ashgabat 3:53:32 - LMT 1924 May 2 # or Ashkhabad
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Asia/Dubai 3:41:12 - LMT 1920
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4:00 - GST
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Link Asia/Dubai Asia/Muscat # Oman
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# Uzbekistan
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# Byalokoz 1919 says Uzbekistan was 4:27:53.
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@ -2851,10 +2845,4 @@ Zone Asia/Ho_Chi_Minh 7:06:40 - LMT 1906 Jul 1
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7:00 - ICT
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# Yemen
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# Milne says 2:59:54 was the meridian of the saluting battery at Aden,
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# and that Yemen was at 1:55:56, the meridian of the Hagia Sophia.
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Asia/Aden 2:59:54 - LMT 1950
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3:00 - AST
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# See Asia/Riyadh.
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@ -5,7 +5,7 @@
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# and their old names. Many names changed in late 1993.
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# Link TARGET LINK-NAME
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Link Africa/Asmara Africa/Asmera
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Link Africa/Nairobi Africa/Asmera
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Link Africa/Abidjan Africa/Timbuktu
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Link America/Argentina/Catamarca America/Argentina/ComodRivadavia
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Link America/Adak America/Atka
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@ -1407,35 +1407,32 @@ Zone Europe/Budapest 1:16:20 - LMT 1890 Oct
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# might be a reference to the Julian calendar as opposed to Gregorian, or it
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# might mean something else (???).
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#
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# From Paul Eggert (2006-03-22):
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# The Iceland Almanak, Shanks & Pottenger, and Whitman disagree on many points.
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# We go with the Almanak, except for one claim from Shanks & Pottenger, namely
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# that Reykavik was 21W57 from 1837 to 1908, local mean time before that.
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# From Paul Eggert (2014-11-22):
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# The information below is taken from the 1988 Almanak; see
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# http://www.almanak.hi.is/klukkan.html
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#
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Iceland 1917 1918 - Feb 19 23:00 1:00 S
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Rule Iceland 1917 1919 - Feb 19 23:00 1:00 S
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Rule Iceland 1917 only - Oct 21 1:00 0 -
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Rule Iceland 1918 only - Nov 16 1:00 0 -
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Rule Iceland 1918 1919 - Nov 16 1:00 0 -
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Rule Iceland 1921 only - Mar 19 23:00 1:00 S
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Rule Iceland 1921 only - Jun 23 1:00 0 -
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Rule Iceland 1939 only - Apr 29 23:00 1:00 S
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Rule Iceland 1939 only - Nov 29 2:00 0 -
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Rule Iceland 1939 only - Oct 29 2:00 0 -
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Rule Iceland 1940 only - Feb 25 2:00 1:00 S
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Rule Iceland 1940 only - Nov 3 2:00 0 -
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Rule Iceland 1941 only - Mar 2 1:00s 1:00 S
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Rule Iceland 1941 only - Nov 2 1:00s 0 -
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Rule Iceland 1942 only - Mar 8 1:00s 1:00 S
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Rule Iceland 1942 only - Oct 25 1:00s 0 -
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Rule Iceland 1940 1941 - Nov Sun>=2 1:00s 0 -
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Rule Iceland 1941 1942 - Mar Sun>=2 1:00s 1:00 S
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# 1943-1946 - first Sunday in March until first Sunday in winter
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Rule Iceland 1943 1946 - Mar Sun>=1 1:00s 1:00 S
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Rule Iceland 1943 1948 - Oct Sun>=22 1:00s 0 -
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Rule Iceland 1942 1948 - Oct Sun>=22 1:00s 0 -
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# 1947-1967 - first Sunday in April until first Sunday in winter
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Rule Iceland 1947 1967 - Apr Sun>=1 1:00s 1:00 S
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# 1949 Oct transition delayed by 1 week
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# 1949 and 1967 Oct transitions delayed by 1 week
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Rule Iceland 1949 only - Oct 30 1:00s 0 -
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Rule Iceland 1950 1966 - Oct Sun>=22 1:00s 0 -
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Rule Iceland 1967 only - Oct 29 1:00s 0 -
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Atlantic/Reykjavik -1:27:24 - LMT 1837
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-1:27:48 - RMT 1908 # Reykjavik Mean Time?
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Zone Atlantic/Reykjavik -1:28 - LMT 1908
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-1:00 Iceland IS%sT 1968 Apr 7 1:00s
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0:00 - GMT
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@ -47,7 +47,7 @@
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# and can be ignored for many purposes. These differences
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# are tabulated in Circular T, which is published monthly
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# by the International Bureau of Weights and Measures
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# (BIPM). See www.bipm.fr for more information.
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# (BIPM). See www.bipm.org for more information.
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#
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# 3. The current definition of the relationship between UTC
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# and TAI dates from 1 January 1972. A number of different
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@ -127,6 +127,15 @@
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# with, since the difficulty of unambiguously representing the epoch
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# during the leap second does not arise.
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#
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# Some systems implement leap seconds by amortizing the leap second
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# over the last few minutes of the day. The frequency of the local
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# clock is decreased (or increased) to realize the positive (or
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# negative) leap second. This method removes the time step described
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# above. Although the long-term behavior of the time scale is correct
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# in this case, this method introduces an error during the adjustment
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# period both in time and in frequency with respect to the official
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# defintion of UTC.
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#
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# Questions or comments to:
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# Judah Levine
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# Time and Frequency Division
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@ -134,7 +143,7 @@
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# Boulder, Colorado
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# Judah.Levine@nist.gov
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#
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# Last Update of leap second values: 11 January 2012
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# Last Update of leap second values: 5 January 2015
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#
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# The following line shows this last update date in NTP timestamp
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# format. This is the date on which the most recent change to
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@ -142,7 +151,7 @@
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# be identified by the unique pair of characters in the first two
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# columns as shown below.
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#
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#$ 3535228800
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#$ 3629404800
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#
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# The NTP timestamps are in units of seconds since the NTP epoch,
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# which is 1 January 1900, 00:00:00. The Modified Julian Day number
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@ -190,10 +199,10 @@
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# current -- the update time stamp, the data and the name of the file
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# will not change.
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#
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# Updated through IERS Bulletin C48
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# File expires on: 28 June 2015
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# Updated through IERS Bulletin C49
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# File expires on: 28 December 2015
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#
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#@ 3644438400
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#@ 3660249600
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#
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2272060800 10 # 1 Jan 1972
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2287785600 11 # 1 Jul 1972
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@ -221,6 +230,7 @@
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3345062400 33 # 1 Jan 2006
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3439756800 34 # 1 Jan 2009
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3550089600 35 # 1 Jul 2012
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3644697600 36 # 1 Jul 2015
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#
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# the following special comment contains the
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# hash value of the data in this file computed
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@ -236,4 +246,4 @@
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# the hash line is also ignored in the
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# computation.
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#
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#h a4862ccd c6f43c6 964f3604 85944a26 b5cfad4e
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#h 45e70fa7 a9df2033 f4a49ab0 ec648273 7b6c22c
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@ -124,7 +124,7 @@ Rule US 1918 1919 - Mar lastSun 2:00 1:00 D
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Rule US 1918 1919 - Oct lastSun 2:00 0 S
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Rule US 1942 only - Feb 9 2:00 1:00 W # War
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Rule US 1945 only - Aug 14 23:00u 1:00 P # Peace
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Rule US 1945 only - Sep 30 2:00 0 S
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Rule US 1945 only - Sep lastSun 2:00 0 S
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Rule US 1967 2006 - Oct lastSun 2:00 0 S
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Rule US 1967 1973 - Apr lastSun 2:00 1:00 D
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Rule US 1974 only - Jan 6 2:00 1:00 D
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@ -2124,11 +2124,11 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20
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# Mexico
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# From Paul Eggert (2001-03-05):
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# From Paul Eggert (2014-12-07):
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# The Investigation and Analysis Service of the
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# Mexican Library of Congress (MLoC) has published a
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# history of Mexican local time (in Spanish)
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# http://www.cddhcu.gob.mx/bibliot/publica/inveyana/polisoc/horver/
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# http://www.diputados.gob.mx/bibliot/publica/inveyana/polisoc/horver/index.htm
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#
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# Here are the discrepancies between Shanks & Pottenger (S&P) and the MLoC.
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# (In all cases we go with the MLoC.)
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@ -2297,6 +2297,24 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20
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# efecto desde las dos horas del segundo domingo de marzo y concluirá a
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# las dos horas del primer domingo de noviembre.
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# From Steffen Thorsen (2014-12-08), translated by Gwillim Law:
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# The Mexican state of Quintana Roo will likely change to EST in 2015.
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#
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# http://www.unioncancun.mx/articulo/2014/12/04/medio-ambiente/congreso-aprueba-una-hora-mas-de-sol-en-qroo
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# "With this change, the time conflict that has existed between the municipios
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# of Quintana Roo and the municipio of Felipe Carrillo Puerto may come to an
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# end. The latter declared itself in rebellion 15 years ago when a time change
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# was initiated in Mexico, and since then it has refused to change its time
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# zone along with the rest of the country."
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#
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# From Steffen Thorsen (2015-01-14), translated by Gwillim Law:
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# http://sipse.com/novedades/confirman-aplicacion-de-nueva-zona-horaria-para-quintana-roo-132331.html
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# "...the new time zone will come into effect at two o'clock on the first Sunday
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# of February, when we will have to advance the clock one hour from its current
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# time..."
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#
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# Also, the new zone will not use DST.
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Mexico 1939 only - Feb 5 0:00 1:00 D
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Rule Mexico 1939 only - Jun 25 0:00 0 S
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@ -2317,7 +2335,8 @@ Rule Mexico 2002 max - Oct lastSun 2:00 0 S
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Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 0:12:56
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-6:00 - CST 1981 Dec 23
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-5:00 Mexico E%sT 1998 Aug 2 2:00
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-6:00 Mexico C%sT
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-6:00 Mexico C%sT 2015 Feb 1 2:00
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-5:00 - EST
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# Campeche, Yucatán; represented by Mérida
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Zone America/Merida -5:58:28 - LMT 1922 Jan 1 0:01:32
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-6:00 - CST 1981 Dec 23
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@ -1206,6 +1206,11 @@ Zone America/Rio_Branco -4:31:12 - LMT 1914
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# DST Start: first Saturday of September 2014 (Sun 07 Sep 2014 04:00 UTC)
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# http://www.diariooficial.interior.gob.cl//media/2014/02/19/do-20140219.pdf
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# From Juan Correa (2015-01-28):
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# ... today the Ministry of Energy announced that Chile will drop DST, will keep
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# "summer time" (UTC -3 / UTC -5) all year round....
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# http://www.minenergia.cl/ministerio/noticias/generales/ministerio-de-energia-anuncia.html
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# NOTE: ChileAQ rules for Antarctic bases are stored separately in the
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# 'antarctica' file.
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@ -1247,8 +1252,8 @@ Rule Chile 2009 only - Mar Sun>=9 3:00u 0 -
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Rule Chile 2010 only - Apr Sun>=1 3:00u 0 -
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Rule Chile 2011 only - May Sun>=2 3:00u 0 -
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Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 S
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Rule Chile 2012 max - Apr Sun>=23 3:00u 0 -
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Rule Chile 2012 max - Sep Sun>=2 4:00u 1:00 S
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Rule Chile 2012 2015 - Apr Sun>=23 3:00u 0 -
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Rule Chile 2012 2014 - Sep Sun>=2 4:00u 1:00 S
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# IATA SSIM anomalies: (1992-02) says 1992-03-14;
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# (1996-09) says 1998-03-08. Ignore these.
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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@ -1259,11 +1264,13 @@ Zone America/Santiago -4:42:46 - LMT 1890
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-4:00 - CLT 1919 Jul 1 # Chile Time
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-4:42:46 - SMT 1927 Sep 1 # Santiago Mean Time
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-5:00 Chile CL%sT 1947 May 22 # Chile Time
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-4:00 Chile CL%sT
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-4:00 Chile CL%sT 2015 Apr 26 3:00u
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-3:00 - CLT
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Zone Pacific/Easter -7:17:44 - LMT 1890
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-7:17:28 - EMT 1932 Sep # Easter Mean Time
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-7:00 Chile EAS%sT 1982 Mar 13 21:00 # Easter Time
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-6:00 Chile EAS%sT
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-7:00 Chile EAS%sT 1982 Mar 13 3:00u # Easter Time
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-6:00 Chile EAS%sT 2015 Apr 26 3:00u
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-5:00 - EAST
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#
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# Salas y Gómez Island is uninhabited.
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# Other Chilean locations, including Juan Fernández Is, Desventuradas Is,
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@ -274,7 +274,7 @@ MU -2010+05730 Indian/Mauritius
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MV +0410+07330 Indian/Maldives
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MW -1547+03500 Africa/Blantyre
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MX +1924-09909 America/Mexico_City Central Time - most locations
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MX +2105-08646 America/Cancun Central Time - Quintana Roo
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MX +2105-08646 America/Cancun Eastern Standard Time - Quintana Roo
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MX +2058-08937 America/Merida Central Time - Campeche, Yucatan
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MX +2540-10019 America/Monterrey Mexican Central Time - Coahuila, Durango, Nuevo Leon, Tamaulipas away from US border
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MX +2550-09730 America/Matamoros US Central Time - Coahuila, Durango, Nuevo Leon, Tamaulipas near US border
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@ -234,7 +234,7 @@ MT +3554+01431 Europe/Malta
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MU -2010+05730 Indian/Mauritius
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MV +0410+07330 Indian/Maldives
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MX +1924-09909 America/Mexico_City Central Time - most locations
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MX +2105-08646 America/Cancun Central Time - Quintana Roo
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MX +2105-08646 America/Cancun Eastern Standard Time - Quintana Roo
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MX +2058-08937 America/Merida Central Time - Campeche, Yucatán
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MX +2540-10019 America/Monterrey Mexican Central Time - Coahuila, Durango, Nuevo León, Tamaulipas away from US border
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MX +2550-09730 America/Matamoros US Central Time - Coahuila, Durango, Nuevo León, Tamaulipas near US border
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