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2017-05-01Update time zone data files to tzdata release 2017b.Tom Lane
DST law changes in Chile, Haiti, and Mongolia. Historical corrections for Ecuador, Kazakhstan, Liberia, and Spain. The IANA crew continue their campaign to replace invented time zone abbrevations with numeric GMT offsets. This update changes numerous zones in South America, the Pacific and Indian oceans, and some Asian and Middle Eastern zones. I kept these abbreviations in the tznames/ data files, however, so that we will still accept them for input. (We may want to start trimming those files someday, but I think we should wait for the upstream dust to settle before deciding what to do.) In passing, add MESZ (Mitteleuropaeische Sommerzeit) to the tznames lists; since we accept MEZ (Mitteleuropaeische Zeit) it seems rather strange not to take the other one. And fix some incorrect, or at least obsolete, comments that certain abbreviations are not traceable to the IANA data.
2017-01-30Update time zone data files to tzdata release 2016j.Tom Lane
DST law changes in northern Cyprus (new zone Asia/Famagusta), Russia (new zone Europe/Saratov), Tonga, Antarctica/Casey. Historical corrections for Asia/Aqtau, Asia/Atyrau, Asia/Gaza, Asia/Hebron, Italy, Malta. Replace invented zone abbreviation "TOT" for Tonga with numeric UTC offset; but as in the past, we'll keep accepting "TOT" for input.
2016-10-20Update time zone data files to tzdata release 2016h.Tom Lane
(Didn't I just do this? Oh well.) DST law changes in Palestine. Historical corrections for Turkey. Switch to numeric abbreviations for Asia/Colombo.
2016-10-19Update time zone data files to tzdata release 2016g.Tom Lane
DST law changes in Turkey. Historical corrections for America/Los_Angeles, Europe/Kirov, Europe/Moscow, Europe/Samara, and Europe/Ulyanovsk. Rename Asia/Rangoon to Asia/Yangon, with a backward compatibility link. The IANA crew continue their campaign to replace invented time zone abbrevations with numeric GMT offsets. This update changes numerous zones in Antarctica and the former Soviet Union, for instance Antarctica/Casey now reports "+08" not "AWST" in the pg_timezone_names view. I kept these abbreviations in the tznames/ data files, however, so that we will still accept them for input. (We may want to start trimming those files someday, but today is not that day.) An exception is that since IANA no longer claims that "AMT" is in use in Armenia for GMT+4, I replaced it in the Default file with GMT-4, corresponding to Amazon Time which is in use in South America. It may be that that meaning is also invented and IANA will drop it in a future update; but for now, it seems silly to give pride of place to a meaning not traceable to IANA over one that is.
2016-08-05Update time zone data files to tzdata release 2016f.Tom Lane
DST law changes in Kemerovo and Novosibirsk. Historical corrections for Azerbaijan, Belarus, and Morocco. Asia/Novokuznetsk and Asia/Novosibirsk now use numeric time zone abbreviations instead of invented ones. Zones for Antarctic bases and other locations that have been uninhabited for portions of the time span known to the tzdata database now report "-00" rather than "zzz" as the zone abbreviation for those time spans. Also, I decided to remove some of the timezone/data/ files that we don't use. At one time that subdirectory was a complete copy of what IANA distributes in the tzdata tarballs, but that hasn't been true for a long time. There seems no good reason to keep shipping those specific files but not others; they're just bloating our tarballs.
2016-05-06Update time zone data files to tzdata release 2016d.Tom Lane
DST law changes in Russia (Magadan, Tomsk regions) and Venezuela. Historical corrections for Russia. There are new zone names Europe/Kirov and Asia/Tomsk reflecting the fact that these regions now have different time zone histories from adjacent regions.
2016-03-25Update time zone data files to tzdata release 2016c.Tom Lane
DST law changes in Azerbaijan, Chile, Haiti, Palestine, and Russia (Altai, Astrakhan, Kirov, Sakhalin, Ulyanovsk regions). Historical corrections for Lithuania, Moldova, Russia (Kaliningrad, Samara, Volgograd). As of 2015b, the keepers of the IANA timezone database started to use numeric time zone abbreviations (e.g., "+04") instead of inventing abbreviations not found in the wild like "ASTT". This causes our rather old copy of zic to whine "warning: time zone abbreviation differs from POSIX standard" several times during "make install". This warning is harmless according to the IANA folk, and I don't see any problems with these abbreviations in some simple tests; but it seems like now would be a good time to update our copy of the tzcode stuff. I'll look into that soon.
2016-02-05Update time zone data files to tzdata release 2016a.Tom Lane
DST law changes in Cayman Islands, Metlakatla, Trans-Baikal Territory (Zabaykalsky Krai). Historical corrections for Pakistan.
2015-10-02Update time zone data files to tzdata release 2015g.Tom Lane
DST law changes in Cayman Islands, Fiji, Moldova, Morocco, Norfolk Island, North Korea, Turkey, Uruguay. New zone America/Fort_Nelson for Canadian Northern Rockies.
2015-05-15Update time zone data files to tzdata release 2015d.Tom Lane
DST law changes in Egypt, Mongolia, Palestine. Historical corrections for Canada and Chile. Revised zone abbreviation for America/Adak (HST/HDT not HAST/HADT).
2015-01-31Update time zone data files to tzdata release 2015a.Tom Lane
DST law changes in Chile and Mexico (state of Quintana Roo). Historical changes for Iceland.
2014-11-17Update time zone data files to tzdata release 2014j.Tom Lane
DST law changes in the Turks & Caicos Islands (America/Grand_Turk) and in Fiji. New zone Pacific/Bougainville for portions of Papua New Guinea. Historical changes for Korea and Vietnam.
2014-10-04Update time zone data files to tzdata release 2014h.Tom Lane
Most zones in the Russian Federation are subtracting one or two hours as of 2014-10-26. Update the meanings of the abbreviations IRKT, KRAT, MAGT, MSK, NOVT, OMST, SAKT, VLAT, YAKT, YEKT to match. The IANA timezone database has adopted abbreviations of the form AxST/AxDT for all Australian time zones, reflecting what they believe to be current majority practice Down Under. These names do not conflict with usage elsewhere (other than ACST for Acre Summer Time, which has been in disuse since 1994). Accordingly, adopt these names into our "Default" timezone abbreviation set. The "Australia" abbreviation set now contains only CST,EAST,EST,SAST,SAT,WST, all of which are thought to be mostly historical usage. Note that SAST has also been changed to be South Africa Standard Time in the "Default" abbreviation set. Add zone abbreviations SRET (Asia/Srednekolymsk) and XJT (Asia/Urumqi), and use WSST/WSDT for western Samoa. Also a DST law change in the Turks & Caicos Islands (America/Grand_Turk), and numerous corrections for historical time zone data.
2014-07-19Update time zone data files to tzdata release 2014e.Tom Lane
DST law changes in Crimea, Egypt, Morocco. New zone Antarctica/Troll for Norwegian base in Queen Maud Land.
2014-03-15Update time zone data files to tzdata release 2014a.Tom Lane
DST law changes in Fiji, Turkey; historical changes in Israel, Ukraine.
2014-02-15Update time zone data files to tzdata release 2013i.Tom Lane
DST law changes in Jordan; historical changes in Cuba. Also, remove the zones Asia/Riyadh87, Asia/Riyadh88, and Asia/Riyadh89. Per the upstream announcement: The files solar87, solar88, and solar89 are no longer distributed. They were a negative experiment -- that is, a demonstration that tz data can represent solar time only with some difficulty and error. Their presence in the distribution caused confusion, as Riyadh civil time was generally not solar time in those years.
2013-12-01Update time zone data files to tzdata release 2013h.Tom Lane
DST law changes in Argentina, Brazil, Jordan, Libya, Liechtenstein, Morocco, Palestine. New timezone abbreviations WIB, WIT, WITA for Indonesia.
2013-09-02Update time zone data files to tzdata release 2013d.Tom Lane
DST law changes in Israel, Morocco, Palestine, Paraguay. Historical corrections for Macquarie Island.
2013-03-28Update time zone data files to tzdata release 2013b.Tom Lane
DST law changes in Chile, Haiti, Morocco, Paraguay, some Russian areas. Historical corrections for numerous places.
2012-12-02Update time zone data files to tzdata release 2012j.Tom Lane
DST law changes in Cuba, Israel, Jordan, Libya, Palestine, Western Samoa, and portions of Brazil.
2012-09-19Update time zone data files to tzdata release 2012f.Tom Lane
DST law changes in Fiji.
2012-08-14Update time zone data files to tzdata release 2012e.Tom Lane
DST law changes in Morocco; Tokelau has relocated to the other side of the International Date Line; and apparently Olson had Tokelau's GMT offset wrong by an hour even before that. There are also a large number of non-significant changes in this update. Upstream took the opportunity to remove trailing whitespace, and the SCCS-style version numbers on the individual files are gone too.
2012-05-31Update time zone data files to tzdata release 2012c.Tom Lane
DST law changes in Antarctica, Armenia, Chile, Cuba, Falkland Islands, Gaza, Haiti, Hebron, Morocco, Syria, Tokelau Islands. Historical corrections for Canada.
2011-11-30Update time zone data files to tzdata release 2011n.Tom Lane
DST law changes in Brazil, Cuba, Fiji, Palestine, Russia, Samoa. Historical corrections for Alaska and British East Africa.
2011-09-05Update time zone data files to tzdata release 2011i.Tom Lane
DST law changes in Canada, Egypt, Russia, Samoa, South Sudan.
2011-04-13Update time zone data files to tzdata release 2011f.Tom Lane
DST law changes in Chile, Cuba, Falkland Islands, Morocco, Samoa, Turkey. Historical corrections for South Australia, Alaska, Hawaii.
2010-12-13Update time zone data files to tzdata release 2010o: DST law changes inTom Lane
Fiji and Samoa. Historical corrections for Hong Kong.
2010-08-26Update time zone data files to tzdata release 2010l: DST law changes inTom Lane
Egypt and Palestine. Added new names for two Micronesian timezones: Pacific/Chuuk is now preferred over Pacific/Truk (and the preferred abbreviation is CHUT not TRUT) and Pacific/Pohnpei is preferred over Pacific/Ponape. Historical corrections for Finland.
2010-05-11Update time zone data files to tzdata release 2010j: DST law changes inTom Lane
Argentina, Australian Antarctic, Bangladesh, Mexico, Morocco, Pakistan, Palestine, Russia, Syria, Tunisia. Historical corrections for Taiwan.
2010-03-09Update time zone data files to tzdata release 2010d: DST law changes in Fiji,Alvaro Herrera
Samoa, Chile; corrections to recent changes in Paraguay and Bangladesh.
2010-03-08Update time zone data files to tzdata release 2010c: DST law changes inTom Lane
Bangladesh, Mexico, Paraguay.
2009-12-09Update time zone data files to tzdata release 2009s: DST law changes inTom Lane
Antarctica, Argentina, Bangladesh, Fiji, Novokuznetsk, Pakistan, Palestine, Samoa, Syria. Also historical corrections for Hong Kong.
2009-09-03Update time zone data files to tzdata release 2009l: DST law changes inTom Lane
Egypt, Mauritius, Bangladesh.
2009-06-11Update time zone data files to tzdata release 2009i: DST law changes inTom Lane
Bangladesh, Egypt, Jordan, Pakistan.
2009-04-09Update time zone data files to tzdata release 2009e: DST law changes inTom Lane
Argentina/San_Luis, Cuba, Jordan (historical correction only), Morocco, Palestine, Syria, Tunisia.
2009-01-29Update time zone data files to tzdata release 2009a: introduces Asia/KathmanduTom Lane
as the preferred spelling of that zone name, corrects historical DST information for Switzerland and Cuba.
2008-10-30Update time zone data files to tzdata release 2008i (DST law changes inTom Lane
Argentina, Brazil, Mauritius, Syria).
2008-09-17Update time zone data files to tzdata release 2008f (DST law changes inTom Lane
Argentina, Bahamas, Brazil, Mauritius, Morocco, Pakistan, Palestine, Paraguay).
2008-06-01Update time zone data files to tzdata release 2008c (DST law changes inTom Lane
Morocco, Iraq, Choibalsan, Pakistan, Syria, Cuba, Argentina/San_Luis).
2008-03-13Update to tzdata 2008a distribution (Chilean DST law change).Tom Lane
2008-01-01Update time zone data files to tzdata release 2007k.Tom Lane
2007-11-15Update timezone data files to release 2007i of the zic database.Tom Lane
2007-10-04Update timezone data files to release 2007h of the zic database.Tom Lane
Might as well have the latest when we wrap 8.3beta1.
2007-09-11Sync timezone data with 2007g zic release.Tom Lane
2007-04-19Sync timezone data with 2007e zic release.Tom Lane
2006-11-28Update timezone data to tzdata2006p zic distribution. It seems WesternTom Lane
Australia decided to institute DST with one month's notice ... way to go, politicians.
2006-11-01Update zic database to tzdata2006n.Tom Lane
2006-09-16Update timezone data files to release 2006k of the zic database.Tom Lane
2006-03-11Add CVS tag lines to files that were lacking them.Bruce Momjian
2005-09-07Update timezone data files to release 2005m of the zic database.Tom Lane
Among other changes, this reflects the recently passed change in USA daylight savings rules.
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