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The tz database
by yakexi March 17, 2011

March 17, 2011

thank you for your data.

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Irkutsk will change time zone to Krasnoyarsk time zone
by Alexander Krivenyshev March 16, 2011

March 16, 2011

According to various media sources (in Russian): http://www.irk.ru/news/20110316/time/ http://www.bratsk.ru/report/show/8416.html Irkutsk Region (Russia) has received government permission to change time zone to Krasnoyarsk time zone (UTC+8 summer time after March 27, 2011). On March 27, 2011 Irkutsk will keep its clock without change to Summer Time (DST) when most of Russia will move to DST. After March 27, 2011 time difference between Moscow (UTC+4 after March 27, 2011) and Irkutsk (UTC+8 after March 27, 2011) will be 4 hours, not 5 hours. or http://www.worldtimezone.com/dst_news/dst_news_russia27.html Alexander Krivenyshev, http://www.worldtimezone.com

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2011d
by Olson, Arthur David (NIH/NCI) [E] March 14, 2011

March 14, 2011

The files... ftp://elsie.nci.nih.gov/pub/tzcode2011d.tar.gz ...and... ftp://elsie.nci.nih.gov/pub/tzdata2011d.tar.gz are now available; these reflect the changes circulated last week on the time zone mailing list (including changes that impact present-day time stamps in Cuba, Samoa, and Turkey). I'm still waiting until Russia switches time later this month before making Russian changes (hoping that we'll then know what abbreviations will be used year-round for time in Russia). --ado

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Your times for Chile are wrong
by Charles F. Munat March 13, 2011

March 13, 2011

http://www.timeanddate.com/news/time/chile-extends-dst-2011.html The start of DST was moved from the end of the day 12 March to the end of the day on 2 April. I'm in Chile now and my laptop has updated the time incorrectly. I've had to switch to Buenos Aires time to get it right. Chas. Munat Frutillar, Chile

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new map for peace river time zone region (BC, Canada)
by Chris Walton March 11, 2011

March 11, 2011

Anybody not interested in Canadian Time Zone maps can skip this post. For those that are interested, I have created a Google map showing a new definition for the Peace River time zone region in British Columbia. Click the following link and wait a few seconds for the map to load: http://maps.google.com/maps/ms?ie=UTF&msa=0&msid=212137821026080676505.0004… The time zone boundary in this new map extends further north then the boundary in my "Google Earth Canadian time zone map". I have not yet updated the Google Earth map; I will try and do that sooner or later. ############################################################################### And now for some more detail and discussion: The following web site claims that time zone boundary crosses HWY#97 just south of Pink Mountain. http://www.vancouverisland.com/regions/towns/?townID=3621 One of the larger roadmap publishers in Canada is in agreement; their maps show a time zone boundary passing just south of Pink Mountain. Looking at The National Atlas of Canada "Time Zone Map" it is possible to deduce that the time zone boundary passes somewhere near Pink Mountain. The scale of the map makes it difficult to determine the exact location of the line; Pink Mountain is far too small to actually appear on a National map. http://atlas.nrcan.gc.ca/site/english/maps/reference/national/timezones/map… ################################################################################ To the best of my knowledge there are no "time zone" road signs along HWY#97. If there are any such signs they would have to be covered up (or removed) during the summer tourist season. During the summer months all of BC (except the south east corner) is on UTC-7. ################################################################################ This week I decided to place some phone calls. I talked to employees and owners of bushiness in Pink Mountain, Sasquatch Crossing, and Buckinghorse River. I was quickly able to determine that all these places are on MST year round. It become obvious that the roadmaps, and the National Atlas of Canada, and the vancouverisland.com web site are all incorrect. I then sent an e-mail to the owner of an RV park in Sikanni Chief asking where the time zone boundary crosses HWY#97. I got a quick reply. The owner "presumed" the time zone boundary followed the district boundary between "Peace River Regional District" and "Northern Rockies Regional District". Wikipedia indicates that the district boundary was created in 1987 when "Fort Nelson - Laird Regional District" was split into "Peace River Regional District" and "Northern Rockies Regional District"; the boundary runs right along the 58th parallel. I phoned the motel in Prophet River which is just a few miles north of the district boundary. I had expected that the motel would operate on PST/PDT. The motel owner explained that the motel operates on MST; there were personal reasons for this! The motel owner also told me that the Prophet River IR a few miles up the highway uses PST/PDT. I was asked which direction I would be arriving from. I had to explain that I was calling from downtown Toronto and would not be staying in Prophet River for the night. ################################################################################## When making the new Google map, I made the time zone boundary follow the northern, southern, and eastern boundaries of the Peace River Regional District. For better or for worse, I ignored the use of MST by the single motel in Prophet River. The western boundary of the time zone region follows watershed boundaries formed by the Muskwa and Hart mountain ranges. Printed roadmaps and the National Atlas of Canada appear to follow a similar north-south line through these same mountains. And that's all for now. -chris

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Timezone changes history ?
by louis.gounot＠orange-ftgroup.com March 11, 2011

March 11, 2011

Hello, I'm looking for a changelog regarding tz database. Is there any publicly available ? I'm specially searching for tz name updates (when was the last tz name addition/deletion/update ?). Louis Gounot ******************************************************************************** IMPORTANT.Les informations contenues dans ce message electronique y compris les fichiers attaches sont strictement confidentielles et peuvent etre protegees par la loi. Ce message electronique est destine exclusivement au(x) destinataire(s) mentionne(s) ci-dessus. Si vous avez recu ce message par erreur ou s il ne vous est pas destine, veuillez immediatement le signaler a l expediteur et effacer ce message et tous les fichiers eventuellement attaches. Toute lecture, exploitation ou transmission des informations contenues dans ce message est interdite. Tout message electronique est susceptible d alteration. A ce titre, le Groupe France Telecom decline toute responsabilite notamment s il a ete altere, deforme ou falsifie. De meme, il appartient au destinataire de s assurer de l absence de tout virus. IMPORTANT.This e-mail message and any attachments are strictly confidential and may be protected by law. This message is intended only for the named recipient(s) above. If you have received this message in error, or are not the named recipient(s), please immediately notify the sender and delete this e-mail message. Any unauthorized view, usage or disclosure ofthis message is prohibited. Since e-mail messages may not be reliable, France Telecom Group shall not be liable for any message if modified, changed or falsified. Additionally the recipient should ensure they are actually virus free. ********************************************************************************

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Re: FW: Turkey: Timezone change date delayed for one day
by Arthur David Olson March 10, 2011

March 10, 2011

Here's an additional proposed change to the europe file to cover the Turkish one-day delay in the start of DST. If no problems are found, this will appear on the ftp site on 2011-03-14 along with the changes proposed yesterday. --ado ------- europe ------- *** /tmp/geta10962 Thu Mar 10 22:03:45 2011 --- /tmp/getb10962 Thu Mar 10 22:03:45 2011 *************** *** 1,5 **** # <pre> ! # @(#)europe 8.27 # This file is in the public domain, so clarified as of # 2009-05-17 by Arthur David Olson. --- 1,5 ---- # <pre> ! # @(#)europe 8.28 # This file is in the public domain, so clarified as of # 2009-05-17 by Arthur David Olson. *************** *** 2483,2507 **** # (on a non-government server though) describing dates between 2002 and 2006: # http://www.alomaliye.com/bkk_2002_3769.htm ! # From Sue Williams (2008-08-11): ! # I spotted this news article about a potential change in Turkey. ! # ! # <a href="http://www.hurriyet.com.tr/english/domestic/9626174.asp?scr=1"> ! # http://www.hurriyet.com.tr/english/domestic/9626174.asp?scr=1 # </a> ! ! # From Sue Williams (2008-08-20): ! # This article says that around the end of March 2011, Turkey wants to ! # adjust the clocks forward by 1/2 hour and stay that way permanently. ! # The article indicates that this is a change in timezone offset in addition ! # to stopping observance of DST. ! # This proposal has not yet been approved. ! # ! # Read more here... ! # ! # Turkey to abandon daylight saving time in 2011 ! # <a href="http://www.turkishdailynews.com.tr/article.php?enewsid=112989"> ! # http://www.turkishdailynews.com.tr/article.php?enewsid=112989 # </a> # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S --- 2483,2500 ---- # (on a non-government server though) describing dates between 2002 and 2006: # http://www.alomaliye.com/bkk_2002_3769.htm ! # From Gökdeniz Karadağ (2011-03-10): ! # ! # According to the articles linked below, Turkey will change into summer ! # time zone (GMT+3) on March 28, 2011 at 3:00 a.m. instead of March 27. ! # This change is due to a nationwide exam on 27th. ! # ! # <a href="http://www.worldbulletin.net/?aType=haber&ArticleID=70872"> ! # http://www.worldbulletin.net/?aType=haber&ArticleID=70872 # </a> ! # Turkish: ! # <a href="http://www.hurriyet.com.tr/ekonomi/17230464.asp?gid=373"> ! # http://www.hurriyet.com.tr/ekonomi/17230464.asp?gid=373 # </a> # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S *************** *** 2569,2574 **** --- 2562,2569 ---- 2:00 Turkey EE%sT 1978 Oct 15 3:00 Turkey TR%sT 1985 Apr 20 # Turkey Time 2:00 Turkey EE%sT 2007 + 2:00 EU EE%sT 2011 Mar 27 1:00u + 2:00 - EET 2011 Mar 28 1:00u 2:00 EU EE%sT Link Europe/Istanbul Asia/Istanbul # Istanbul is in both continents.

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FW: Turkey: Timezone change date delayed for one day
by Olson, Arthur David (NIH/NCI) [E] March 10, 2011

March 10, 2011

I'm forwarding this message from Gökdeniz Karadağ, who is not on the time zone mailing list. Those of you who are on the list, please direct replies appropriately. --ado -----Original Message----- From: Gökdeniz Karadağ [mailto:gokdenizk@gmail.com] Sent: Thursday, March 10, 2011 6:33 To: tz(a)lecserver.nci.nih.gov Subject: Turkey: Timezone change date delayed for one day According to the articles linked below, Turkey will change into summer time zone (GMT+3) on March 28, 2011 at 3:00 a.m. instead of March 27. This change is due to a nationwide exam on 27th. http://www.worldbulletin.net/?aType=haber&ArticleID=70872 Turkish: http://www.hurriyet.com.tr/ekonomi/17230464.asp?gid=373 -- Gökdeniz Karadağ

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Turkey: Timezone change date delayed for one day
by Gökdeniz Karadağ March 10, 2011

March 10, 2011

According to the articles linked below, Turkey will change into summer time zone (GMT+3) on March 28, 2011 at 3:00 a.m. instead of March 27. This change is due to a nationwide exam on 27th. http://www.worldbulletin.net/?aType=haber&ArticleID=70872 Turkish: http://www.hurriyet.com.tr/ekonomi/17230464.asp?gid=373 -- Gökdeniz Karadağ

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proposed time zone package changes (Cuba, Samoa, et al.)
by Arthur David Olson March 9, 2011

March 9, 2011

Below are proposed changes to the time zone package; here's a summary: * australasia Change end of DST in Samoa in 2011. Thanks to Raymond Hughes for information on the change. * etcetera Remove obsolete material on angle brackets in TZ envirnoment variable. * northamerica Change start of DST in Cuba in 2011. Thanks to Steffen Thorsen for the first report of the change. * zic.c Add curly brackets to squelch a gcc warning message. Since imminent time stamps in Cuba and Samoa are affected, we'll do the short turnaround dance; expect these changes on the ftp site on 2011-03-14 unless problems are found. --ado diff -r -c old/australasia new/australasia *** old/australasia Wed Jan 12 11:03:44 2011 --- new/australasia Wed Mar 9 14:38:29 2011 *************** *** 1,5 **** # <pre> ! # @(#)australasia 8.22 # This file is in the public domain, so clarified as of # 2009-05-17 by Arthur David Olson. --- 1,5 ---- # <pre> ! # @(#)australasia 8.23 # This file is in the public domain, so clarified as of # 2009-05-17 by Arthur David Olson. *************** *** 509,519 **** # to 01:00am and First Sunday April 2011 (03/04/11) - adjust clocks # backwards from 1:00am to 12:00am" Zone Pacific/Apia 12:33:04 - LMT 1879 Jul 5 -11:26:56 - LMT 1911 -11:30 - SAMT 1950 # Samoa Time -11:00 - WST 2010 Sep 26 ! -11:00 1:00 WSDT 2011 Apr 3 1:00 -11:00 - WST # Solomon Is --- 509,539 ---- # to 01:00am and First Sunday April 2011 (03/04/11) - adjust clocks # backwards from 1:00am to 12:00am" + # From Raymond Hughes (2011-03-07) + # I believe this will be posted shortly on the website + # <a href="http://www.mcil.gov.ws"> + # www.mcil.gov.ws + # </a> + # + # PUBLIC NOTICE ON DAYLIGHT SAVING TIME + # + # Pursuant to the Daylight Saving Act 2009 and Cabinets decision, + # businesses and the general public are hereby advised that daylight + # saving time is on the first Saturday of April 2011 (02/04/11). + # + # The public is therefore advised that when the standard time strikes + # the hour of four oclock (4.00am or 0400 Hours) on the 2nd April 2011, + # then all instruments used to measure standard time are to be + # adjusted/changed to three oclock (3:00am or 0300Hrs). + # + # Margaret Fruean ACTING CHIEF EXECUTIVE OFFICER MINISTRY OF COMMERCE, + # INDUSTRY AND LABOUR 28th February 2011 + Zone Pacific/Apia 12:33:04 - LMT 1879 Jul 5 -11:26:56 - LMT 1911 -11:30 - SAMT 1950 # Samoa Time -11:00 - WST 2010 Sep 26 ! -11:00 1:00 WSDT 2011 Apr 2 4:00 -11:00 - WST # Solomon Is diff -r -c old/etcetera new/etcetera *** old/etcetera Thu Dec 16 12:24:20 2010 --- new/etcetera Wed Mar 9 14:27:36 2011 *************** *** 1,5 **** # <pre> ! # @(#)etcetera 8.2 # This file is in the public domain, so clarified as of # 2009-05-17 by Arthur David Olson. --- 1,5 ---- # <pre> ! # @(#)etcetera 8.3 # This file is in the public domain, so clarified as of # 2009-05-17 by Arthur David Olson. *************** *** 36,43 **** # (i.e. west of Greenwich) even though many people would expect it to # mean 4 hours ahead of UTC (i.e. east of Greenwich). # ! # In the draft 5 of POSIX 1003.1-200x, the angle bracket notation ! # (which is not yet supported by the tz code) allows for # TZ='<GMT-4>+4'; if you want time zone abbreviations conforming to # ISO 8601 you can use TZ='<-0400>+4'. Thus the commonly-expected # offset is kept within the angle bracket (and is used for display) --- 36,42 ---- # (i.e. west of Greenwich) even though many people would expect it to # mean 4 hours ahead of UTC (i.e. east of Greenwich). # ! # In the draft 5 of POSIX 1003.1-200x, the angle bracket notation allows for # TZ='<GMT-4>+4'; if you want time zone abbreviations conforming to # ISO 8601 you can use TZ='<-0400>+4'. Thus the commonly-expected # offset is kept within the angle bracket (and is used for display) diff -r -c old/northamerica new/northamerica *** old/northamerica Wed Feb 9 14:00:33 2011 --- new/northamerica Wed Mar 9 14:45:23 2011 *************** *** 1,5 **** # <pre> ! # @(#)northamerica 8.41 # This file is in the public domain, so clarified as of # 2009-05-17 by Arthur David Olson. --- 1,5 ---- # <pre> ! # @(#)northamerica 8.42 # This file is in the public domain, so clarified as of # 2009-05-17 by Arthur David Olson. *************** *** 2606,2611 **** --- 2606,2626 ---- # the time was announced as "diez cinco"--the same time as here, indicating # that has indeed switched to DST. Assume second Sunday from 2009 forward. + # From Steffen Thorsen (2011-03-08): + # Granma announced that Cuba is going to start DST on 2011-03-20 00:00:00 + # this year. Nothing about the end date known so far (if that has + # changed at all). + # + # Source: + # <a href="http://granma.co.cu/2011/03/08/nacional/artic01.html"> + # http://granma.co.cu/2011/03/08/nacional/artic01.html + # </a> + # + # Our info: + # <a href="http://www.timeanddate.com/news/time/cuba-starts-dst-2011.html"> + # http://www.timeanddate.com/news/time/cuba-starts-dst-2011.html + # </a> + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Cuba 1928 only - Jun 10 0:00 1:00 D Rule Cuba 1928 only - Oct 10 0:00 0 S *************** *** 2639,2645 **** Rule Cuba 2006 max - Oct lastSun 0:00s 0 S Rule Cuba 2007 only - Mar Sun>=8 0:00s 1:00 D Rule Cuba 2008 only - Mar Sun>=15 0:00s 1:00 D ! Rule Cuba 2009 max - Mar Sun>=8 0:00s 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Havana -5:29:28 - LMT 1890 --- 2654,2662 ---- Rule Cuba 2006 max - Oct lastSun 0:00s 0 S Rule Cuba 2007 only - Mar Sun>=8 0:00s 1:00 D Rule Cuba 2008 only - Mar Sun>=15 0:00s 1:00 D ! Rule Cuba 2009 2010 - Mar Sun>=8 0:00s 1:00 D ! Rule Cuba 2011 only - Mar Sun>=15 0:00s 1:00 D ! Rule Cuba 2012 max - Mar Sun>=8 0:00s 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Havana -5:29:28 - LMT 1890 diff -r -c old/zic.c new/zic.c *** old/zic.c Thu Dec 16 12:24:13 2010 --- new/zic.c Wed Mar 9 14:41:27 2011 *************** *** 3,9 **** ** 2006-07-17 by Arthur David Olson. */ ! static char elsieid[] = "@(#)zic.c 8.24"; #include "private.h" #include "locale.h" --- 3,9 ---- ** 2006-07-17 by Arthur David Olson. */ ! static char elsieid[] = "@(#)zic.c 8.25"; #include "private.h" #include "locale.h" *************** *** 1639,1648 **** mrudst = types[i]; else mrustd = types[i]; for (i = 0; i < typecnt; ++i) ! if (writetype[i]) if (isdsts[i]) hidst = i; else histd = i; if (hidst >= 0 && mrudst >= 0 && hidst != mrudst && gmtoffs[hidst] != gmtoffs[mrudst]) { isdsts[mrudst] = -1; --- 1639,1649 ---- mrudst = types[i]; else mrustd = types[i]; for (i = 0; i < typecnt; ++i) ! if (writetype[i]) { if (isdsts[i]) hidst = i; else histd = i; + } if (hidst >= 0 && mrudst >= 0 && hidst != mrudst && gmtoffs[hidst] != gmtoffs[mrudst]) { isdsts[mrudst] = -1;

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