Given Monday's mail about Syria, here are revised proposed changes to time zone files; these changes are relative to tzdata2008a.tar.gz. * asia * Iraq abandons DST * Syria switched (from 2008 forward) to start DST at the start of the first Friday in April and end DST at the start of October 1. * "Saigon" zone renamed "Ho_Chi_Minh" * backward * backward link from "Ho_Chi_Minh" to "Saigon" * northamerica * Change Cuba (from 2008 forward) to start DST the third Sunday in March. * southamerica * Add America/Argentina/San_Luis information. * zone.tab * Entry added for America/Argentina/San_Luis * Asia/Saigon entry renamed Asia/Ho_Chi_Minh I hope to make tzdata2008b.tar.gz available 2008-03-24. --ado ------- asia ------- *** /tmp/geta5675 Tue Mar 18 12:50:56 2008 --- /tmp/getb5675 Tue Mar 18 12:50:57 2008 *************** *** 1,4 **** ! # @(#)asia 8.14 # <pre> # This data is by no means authoritative; if you think you know better, --- 1,4 ---- ! # @(#)asia 8.17 # <pre> # This data is by no means authoritative; if you think you know better, *************** *** 660,665 **** --- 660,680 ---- # # So we'll ignore the Economist's claim. + # From Steffen Thorsen (2008-03-10): + # The cabinet in Iraq abolished DST last week, according to the following + # news sources (in Arabic): + # <a href="http://www.aljeeran.net/wesima_articles/news-20080305-98602.html"> + # http://www.aljeeran.net/wesima_articles/news-20080305-98602.html + # </a> + # <a href="http://www.aswataliraq.info/look/article.tpl?id=2047&IdLanguage=17&IdPublication=4&NrArticle=71743&NrIssue=1&NrSection=10"> + # http://www.aswataliraq.info/look/article.tpl?id=2047&IdLanguage=17&IdPublica... + # </a> + # + # We have published a short article in English about the change: + # <a href="http://www.timeanddate.com/news/time/iraq-dumps-daylight-saving.html"> + # http://www.timeanddate.com/news/time/iraq-dumps-daylight-saving.html + # </a> + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Iraq 1982 only - May 1 0:00 1:00 D Rule Iraq 1982 1984 - Oct 1 0:00 0 S *************** *** 670,677 **** # IATA SSIM (1991/1996) says Apr 1 12:01am UTC; guess the `:01' is a typo. # Shanks & Pottenger say Iraq did not observe DST 1992/1997; ignore this. # ! Rule Iraq 1991 max - Apr 1 3:00s 1:00 D ! Rule Iraq 1991 max - Oct 1 3:00s 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Baghdad 2:57:40 - LMT 1890 2:57:36 - BMT 1918 # Baghdad Mean Time? --- 685,692 ---- # IATA SSIM (1991/1996) says Apr 1 12:01am UTC; guess the `:01' is a typo. # Shanks & Pottenger say Iraq did not observe DST 1992/1997; ignore this. # ! Rule Iraq 1991 2007 - Apr 1 3:00s 1:00 D ! Rule Iraq 1991 2007 - Oct 1 3:00s 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Baghdad 2:57:40 - LMT 1890 2:57:36 - BMT 1918 # Baghdad Mean Time? *************** *** 1777,1785 **** # From Paul Eggert (2007-03-29): # Today the AP reported "Syria will switch to summertime at midnight Thursday." # http://www.iht.com/articles/ap/2007/03/29/africa/ME-GEN-Syria-Time-Change.ph... ! # For lack of better info, assume the rule changed to "last Friday in March" ! # this year. ! Rule Syria 2007 max - Mar lastFri 0:00 1:00 S # From Jesper Norgard (2007-10-27): # The sister center ICARDA of my work CIMMYT is confirming that Syria DST will # not take place 1.st November at 0:00 o'clock but 1.st November at 24:00 or --- 1792,1798 ---- # From Paul Eggert (2007-03-29): # Today the AP reported "Syria will switch to summertime at midnight Thursday." # http://www.iht.com/articles/ap/2007/03/29/africa/ME-GEN-Syria-Time-Change.ph... ! Rule Syria 2007 only - Mar lastFri 0:00 1:00 S # From Jesper Norgard (2007-10-27): # The sister center ICARDA of my work CIMMYT is confirming that Syria DST will # not take place 1.st November at 0:00 o'clock but 1.st November at 24:00 or *************** *** 1801,1810 **** # Council of Ministers also approved the commencement of work on # identifying the winter time as of Friday, 2/11/2007 where the 60th # minute delay at midnight Thursday 1/11/2007. ! # ! # From Arthur David Olson (2007-10-30): ! # My best guess for the future is first Friday in November. ! Rule Syria 2007 max - Nov Fri>=1 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Damascus 2:25:12 - LMT 1920 # Dimashq 2:00 Syria EE%sT --- 1814,1853 ---- # Council of Ministers also approved the commencement of work on # identifying the winter time as of Friday, 2/11/2007 where the 60th # minute delay at midnight Thursday 1/11/2007. ! Rule Syria 2007 only - Nov Fri>=1 0:00 0 - ! ! # From Stephen Colebourne (2008-03-17): ! # For everyone's info, I saw an IATA time zone change for [Syria] for ! # this month (March 2008) in the last day or so...This is the data IATA ! # are now using: ! # Country Time Standard --- DST Start --- --- DST End --- DST ! # Name Zone Variation Time Date Time Date ! # Variation ! # Syrian Arab ! # Republic SY +0200 2200 03APR08 2100 30SEP08 +0300 ! # 2200 02APR09 2100 30SEP09 +0300 ! # 2200 01APR10 2100 30SEP10 +0300 ! ! # From Arthur David Olson (2008-03-17): ! # Here's a link to English-language coverage by the Syrian Arab News ! # Agency (SANA)... ! # <a href="http://www.sana.sy/eng/21/2008/03/11/165173.htm"> ! # http://www.sana.sy/eng/21/2008/03/11/165173.htm ! # </a>...which reads (in part) "The Cabinet approved the suggestion of the ! # Ministry of Electricity to begin daylight savings time on Friday April ! # 4th, advancing clocks one hour ahead on midnight of Thursday April 3rd." ! # Since Syria is two hours east of UTC, the 2200 and 2100 transition times ! # shown above match up with midnight in Syria. ! ! # From Arthur David Olson (2008-03-18): ! # My buest guess at a Syrian rule is "the Friday nearest April 1"; ! # coding that involves either using a "Mar Fri>=29" construct that old time zone ! # compilers can't handle or having multiple Rules (a la Israel). ! # For now, use "Apr Fri>=1", and go with IATA on a uniform Sep 30 end. ! ! Rule Syria 2008 max - Apr Fri>=1 0:00 1:00 S ! Rule Syria 2008 max - Oct 1 0:00 0 - ! # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Damascus 2:25:12 - LMT 1920 # Dimashq 2:00 Syria EE%sT *************** *** 1858,1870 **** # Vietnam ! # From Paul Eggert (1993-11-18): ! # Saigon's official name is Thanh-Pho Ho Chi Minh, but it's too long. ! # We'll stick with the traditional name for now. # From Shanks & Pottenger: # Zone NAME GMTOFF RULES FORMAT [UNTIL] ! Zone Asia/Saigon 7:06:40 - LMT 1906 Jun 9 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT? 7:00 - ICT 1912 May 8:00 - ICT 1931 May --- 1901,1913 ---- # Vietnam ! # From Arthur David Olson (2008-03-18): ! # The English-language name of Vietnam's most populous city is "Ho Chi Min City"; ! # we use Ho_Chi_Minh below to avoid a name of more than 14 characters. # From Shanks & Pottenger: # Zone NAME GMTOFF RULES FORMAT [UNTIL] ! Zone Asia/Ho_Chi_Minh 7:06:40 - LMT 1906 Jun 9 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT? 7:00 - ICT 1912 May 8:00 - ICT 1931 May ------- backward ------- *** /tmp/geta5694 Tue Mar 18 12:50:57 2008 --- /tmp/getb5694 Tue Mar 18 12:50:57 2008 *************** *** 1,4 **** ! # @(#)backward 8.4 # This file provides links between current names for time zones # and their old names. Many names changed in late 1993. --- 1,4 ---- ! # @(#)backward 8.5 # This file provides links between current names for time zones # and their old names. Many names changed in late 1993. *************** *** 26,31 **** --- 26,32 ---- Link Asia/Dhaka Asia/Dacca Link Asia/Macau Asia/Macao Link Asia/Jerusalem Asia/Tel_Aviv + Link Asia/Ho_Chi_Minh Asia/Saigon Link Asia/Thimphu Asia/Thimbu Link Asia/Makassar Asia/Ujung_Pandang Link Asia/Ulaanbaatar Asia/Ulan_Bator ------- northamerica ------- *** /tmp/geta5713 Tue Mar 18 12:50:57 2008 --- /tmp/getb5713 Tue Mar 18 12:50:57 2008 *************** *** 1,4 **** ! # @(#)northamerica 8.20 # <pre> # also includes Central America and the Caribbean --- 1,4 ---- ! # @(#)northamerica 8.23 # <pre> # also includes Central America and the Caribbean *************** *** 2205,2210 **** --- 2205,2256 ---- # # http://www.worldtimezone.com/dst_news/dst_news_cuba03.html + # From Arthur David Olson (2008-03-09): + # I'm in Maryland which is now observing United States Eastern Daylight + # Time. At 9:44 local time I used RealPlayer to listen to + # <a href="http://media.enet.cu/radioreloj"> + # http://media.enet.cu/radioreloj + # </a>, a Cuban information station, and heard + # the time announced as "ocho cuarenta y cuatro" ("eight forty-four"), + # indicating that Cuba is still on standard time. + + # From Steffen Thorsen (2008-03-12): + # It seems that Cuba will start DST on Sunday, 2007-03-16... + # It was announced yesterday, according to this source (in Spanish): + # <a href="http://www.nnc.cubaweb.cu/marzo-2008/cien-1-11-3-08.htm"> + # http://www.nnc.cubaweb.cu/marzo-2008/cien-1-11-3-08.htm + # </a> + # + # Some more background information is posted here: + # <a href="http://www.timeanddate.com/news/time/cuba-starts-dst-march-16.html"> + # http://www.timeanddate.com/news/time/cuba-starts-dst-march-16.html + # </a> + # + # The article also says that Cuba has been observing DST since 1963, + # while Shanks (and tzdata) has 1965 as the first date (except in the + # 1940's). Many other web pages in Cuba also claim that it has been + # observed since 1963, but with the exception of 1970 - an exception + # which is not present in tzdata/Shanks. So there is a chance we need to + # change some historic records as well. + # + # One example: + # <a href="http://www.radiohc.cu/espanol/noticias/mar07/11mar/hor.htm"> + # http://www.radiohc.cu/espanol/noticias/mar07/11mar/hor.htm + # </a> + + # From Jesper Norgaard Welen (2008-03-13): + # The Cuban time change has just been confirmed on the most authoritative + # web site, the Granma. Please check out + # <a href="http://www.granma.cubaweb.cu/2008/03/13/nacional/artic10.html"> + # http://www.granma.cubaweb.cu/2008/03/13/nacional/artic10.html + # </a> + # + # Basically as expected after Steffen Thorsens information, the change + # will take place midnight between Saturday and Sunday. + + # From Arthur David Olson (2008-03-12): + # Assume Sun>=15 (third Sunday) going forward. + # 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 *************** *** 2236,2242 **** Rule Cuba 1998 2003 - Oct lastSun 0:00s 0 S Rule Cuba 2000 2006 - Apr Sun>=1 0:00s 1:00 D Rule Cuba 2006 max - Oct lastSun 0:00s 0 S ! Rule Cuba 2007 max - Mar Sun>=8 0:00s 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Havana -5:29:28 - LMT 1890 --- 2282,2289 ---- Rule Cuba 1998 2003 - Oct lastSun 0:00s 0 S Rule Cuba 2000 2006 - Apr Sun>=1 0:00s 1:00 D 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 max - Mar Sun>=15 0:00s 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Havana -5:29:28 - LMT 1890 ------- southamerica ------- *** /tmp/geta5732 Tue Mar 18 12:50:58 2008 --- /tmp/getb5732 Tue Mar 18 12:50:58 2008 *************** *** 1,4 **** ! # @(#)southamerica 8.18 # <pre> # This data is by no means authoritative; if you think you know better, --- 1,4 ---- ! # @(#)southamerica 8.19 # <pre> # This data is by no means authoritative; if you think you know better, *************** *** 228,233 **** --- 228,303 ---- # http://www.sanjuan.gov.ar/prensa/archivo/000426.html # http://www.sanjuan.gov.ar/prensa/archivo/000441.html + # From Alex Krivenyshev (2008-01-17): + # Here are articles that Argentina Province San Luis is planning to end DST + # as earlier as upcoming Monday January 21, 2008 or February 2008: + # + # Provincia argentina retrasa reloj y marca diferencia con resto del pais + # (Argentine Province delayed clock and mark difference with the rest of the + # country) + # <a href="http://cl.invertia.com/noticias/noticia.aspx?idNoticia=200801171849_EFE_ET4373&idtel"> + # http://cl.invertia.com/noticias/noticia.aspx?idNoticia=200801171849_EFE_ET43... + # </a> + # + # Es inminente que en San Luis atrasen una hora los relojes + # (It is imminent in San Luis clocks one hour delay) + # <a href="http://www.lagaceta.com.ar/vernotae.asp?id_nota=253414"> + # http://www.lagaceta.com.ar/vernotae.asp?id_nota=253414 + # </a> + # + # <a href="http://www.worldtimezone.net/dst_news/dst_news_argentina02.html"> + # http://www.worldtimezone.net/dst_news/dst_news_argentina02.html + # </a> + + # From Jesper Norgaard Welen (2008-01-18): + # The page of the San Luis provincial government + # <a href="http://www.sanluis.gov.ar/notas.asp?idCanal=0&id=22812"> + # http://www.sanluis.gov.ar/notas.asp?idCanal=0&id=22812 + # </a> + # confirms what Alex Krivenyshev has earlier sent to the tz + # emailing list about that San Luis plans to return to standard + # time much earlier than the rest of the country. It also + # confirms that upon request the provinces San Juan and Mendoza + # refused to follow San Luis in this change. + # + # The change is supposed to take place Monday the 21.st at 0:00 + # hours. As far as I understand it if this goes ahead, we need + # a new timezone for San Luis (although there are also documented + # independent changes in the southamerica file of San Luis in + # 1990 and 1991 which has not been confirmed). + + # From Jesper Norgaard Welen (2008-01-25): + # Unfortunately the below page has become defunct, about the San Luis + # time change. Perhaps because it now is part of a group of pages "Most + # important pages of 2008." + # + # You can use + # <a href="http://www.sanluis.gov.ar/notas.asp?idCanal=8141&id=22834"> + # http://www.sanluis.gov.ar/notas.asp?idCanal=8141&id=22834 + # </a> + # instead it seems. Or use "Buscador" from the main page of the San Luis + # government, and fill in "huso" and click OK, and you will get 3 pages + # from which the first one is identical to the above. + + # From Mariano Absatz (2008-01-28): + # I can confirm that the Province of San Luis (and so far only that + # province) decided to go back to UTC-3 effective midnight Jan 20th 2008 + # (that is, Monday 21st at 0:00 is the time the clocks were delayed back + # 1 hour), and they intend to keep UTC-3 as their timezone all year round + # (that is, unless they change their mind any minute now). + # + # So we'll have to add yet another city to 'southamerica' (I think San + # Luis city is the mos populated city in the Province, so it'd be + # America/Argentina/San_Luis... of course I can't remember if San Luis's + # history of particular changes goes along with Mendoza or San Juan :-( + # (I only remember not being able to collect hard facts about San Luis + # back in 2004, when these provinces changed to UTC-4 for a few days, I + # mailed them personally and never got an answer). + + # From Arthur David Olson (2008-03-15): + # Until there's better information, asssume San Luis was like San Juan + # rather than Mendoza (since San Juan has a simpler DST history). + # Unless otherwise specified, data are from Shanks & Pottenger through 1992, # from the IATA otherwise. As noted below, Shanks & Pottenger say that # America/Cordoba split into 6 subregions during 1991/1992, but we *************** *** 350,355 **** --- 420,439 ---- -4:00 - WART 2004 Sep 26 -3:00 Arg AR%sT # + # San Luis (SL) + Zone America/Argentina/San_Luis -4:25:24 - LMT 1894 Oct 31 + -4:16:48 - CMT 1920 May + -4:00 - ART 1930 Dec + -4:00 Arg AR%sT 1969 Oct 5 + -3:00 Arg AR%sT 1991 Mar 1 + -4:00 - WART 1991 May 7 + -3:00 Arg AR%sT 1999 Oct 3 + -4:00 Arg AR%sT 2000 Mar 3 + -3:00 - ART 2004 May 31 + -4:00 - WART 2004 Jul 25 + -3:00 Arg AR%sT 2008 Jan 21 + -3:00 - ART + # # Santa Cruz (SC) Zone America/Argentina/Rio_Gallegos -4:36:52 - LMT 1894 Oct 31 -4:16:48 - CMT 1920 May # Cordoba Mean Time ------- zone.tab ------- *** /tmp/geta5751 Tue Mar 18 12:50:58 2008 --- /tmp/getb5751 Tue Mar 18 12:50:58 2008 *************** *** 1,4 **** ! # @(#)zone.tab 8.13 # # TZ zone descriptions # --- 1,4 ---- ! # @(#)zone.tab 8.15 # # TZ zone descriptions # *************** *** 42,48 **** AQ -6640+14001 Antarctica/DumontDUrville Dumont-d'Urville Station, Terre Adelie AQ -690022+0393524 Antarctica/Syowa Syowa Station, E Ongul I AR -3436-05827 America/Argentina/Buenos_Aires Buenos Aires (BA, CF) ! AR -3124-06411 America/Argentina/Cordoba most locations (CB, CC, CN, ER, FM, LP, MN, NQ, RN, SA, SE, SF, SL) AR -2411-06518 America/Argentina/Jujuy Jujuy (JY) AR -2649-06513 America/Argentina/Tucuman Tucuman (TM) AR -2828-06547 America/Argentina/Catamarca Catamarca (CT), Chubut (CH) --- 42,49 ---- AQ -6640+14001 Antarctica/DumontDUrville Dumont-d'Urville Station, Terre Adelie AQ -690022+0393524 Antarctica/Syowa Syowa Station, E Ongul I AR -3436-05827 America/Argentina/Buenos_Aires Buenos Aires (BA, CF) ! AR -3124-06411 America/Argentina/Cordoba most locations (CB, CC, CN, ER, FM, LP, MN, NQ, RN, SA, SE, SF) ! AR -3319-06621 America/Argentina/San_Luis San Luis (SL) AR -2411-06518 America/Argentina/Jujuy Jujuy (JY) AR -2649-06513 America/Argentina/Tucuman Tucuman (TM) AR -2828-06547 America/Argentina/Catamarca Catamarca (CT), Chubut (CH) *************** *** 411,417 **** VE +1030-06656 America/Caracas VG +1827-06437 America/Tortola VI +1821-06456 America/St_Thomas ! VN +1045+10640 Asia/Saigon VU -1740+16825 Pacific/Efate WF -1318-17610 Pacific/Wallis WS -1350-17144 Pacific/Apia --- 412,418 ---- VE +1030-06656 America/Caracas VG +1827-06437 America/Tortola VI +1821-06456 America/St_Thomas ! VN +1045+10640 Asia/Ho_Chi_Minh VU -1740+16825 Pacific/Efate WF -1318-17610 Pacific/Wallis WS -1350-17144 Pacific/Apia