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@ -1,4 +1,4 @@ |
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# @(#)southamerica 7.50 |
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# @(#)southamerica 7.54 |
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# This data is by no means authoritative; if you think you know better, |
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# go ahead and edit the file (and please send any changes to |
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@ -141,6 +141,13 @@ Rule Arg 2000 only - Mar Sun>=1 0:00 0 - |
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# This kind of things had always been done this way in Argentina. |
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# We are still -03:00 all year round in all of the country. |
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# |
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# From Mariano Absatz (2004-05-21): |
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# Today it was officially published that the Province of Mendoza is changing |
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# its timezone this winter... starting tomorrow night.... |
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# http://www.gobernac.mendoza.gov.ar/boletin/pdf/20040521-27158-normas.pdf |
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# From Paul Eggert (2004-05-24): |
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# It's Law No. 7,210. This change is due to a public power emergency, so for |
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# now we'll assume it's for this year only. |
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# |
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# From Paul Eggert (2002-01-22): |
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# <a href="http://www.spicasc.net/horvera.html"> |
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@ -148,17 +155,61 @@ Rule Arg 2000 only - Mar Sun>=1 0:00 0 - |
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# </a> says that standard time in Argentina from 1894-10-31 |
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# to 1920-05-01 was -4:16:48.25. Go with this more-precise value |
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# over Shanks. |
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# |
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# From Mariano Absatz (2004-06-05): |
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# These media articles from a major newspaper mostly cover the current state: |
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# http://www.lanacion.com.ar/04/05/27/de_604825.asp |
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# http://www.lanacion.com.ar/04/05/28/de_605203.asp |
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# |
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# The following eight (8) provinces pulled clocks back to UTC-04:00 at |
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# midnight Monday May 31st. (that is, the night between 05/31 and 06/01). |
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# Apparently, all nine provinces would go back to UTC-03:00 at the same |
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# time in October 17th. |
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# |
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# Catamarca, Chubut, La Rioja, San Juan, San Luis, Santa Cruz, |
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# Tierra del Fuego, Tucuman. |
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# |
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# From Mariano Absatz (2004-06-14): |
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# ... this weekend, the Province of Tucuman decided it'd go back to UTC-03:00 |
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# yesterday midnight (that is, at 24:00 Saturday 12th), since the people's |
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# annoyance with the change is much higher than the power savings obtained.... |
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# |
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# From Gwillim Law (2004-06-14): |
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# http://www.lanacion.com.ar/04/06/10/de_609078.asp ... |
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# "The time change in Tierra del Fuego was a conflicted decision from |
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# the start. The government had decreed that the measure would take |
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# effect on June 1, but a normative error forced the new time to begin |
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# three days earlier, from a Saturday to a Sunday.... |
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# Our understanding was that the change was originally scheduled to take place |
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# on June 1 at 00:00 in Chubut, Santa Cruz, Tierra del Fuego (and some other |
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# provinces). Sunday was May 30, only two days earlier. So the article |
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# contains a contradiction. I would give more credence to the Saturday/Sunday |
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# date than the "three days earlier" phrase, and conclude that Tierra del |
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# Fuego set its clocks back at 2004-05-30 00:00. |
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# |
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# From Steffen Thorsen (2004-10-05): |
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# The previous law 7210 which changed the province of Mendoza's time zone |
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# back in May have been modified slightly in a new law 7277, which set the |
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# new end date to 2004-09-26 (original date was 2004-10-17). |
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# http://www.gobernac.mendoza.gov.ar/boletin/pdf/20040924-27244-normas.pdf |
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# |
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# From Mariano Absatz (2004-10-05): |
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# San Juan changed from UTC-03:00 to UTC-04:00 at midnight between |
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# Sunday, May 30th and Monday, May 31st. It changed back to UTC-03:00 |
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# at midnight between Saturday, July 24th and Sunday, July 25th.... |
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# http://www.sanjuan.gov.ar/prensa/archivo/000329.html |
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# http://www.sanjuan.gov.ar/prensa/archivo/000426.html |
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# http://www.sanjuan.gov.ar/prensa/archivo/000441.html |
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# Unless otherwise specified, data are from Shanks through 1992, from |
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# the IATA otherwise. As noted below, Shanks says that |
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# America/Cordoba split into 7 subregions during 1991/1992, but we |
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# America/Cordoba split into 6 subregions during 1991/1992, but we |
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# haven't verified this yet so for now we'll keep it a single region. |
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# |
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# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
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# |
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# Buenos Aires (BA), Capital Federal (CF), Santa Cruz (SC), |
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# Tierra del Fuego, Antartida e Islas del Atlantico Sur (TF) |
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Zone America/Buenos_Aires -3:53:48 - LMT 1894 Oct 31 |
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# Buenos Aires (BA), Capital Federal (CF), |
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Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31 |
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-4:16:48 - CMT 1920 May # Cordoba Mean Time |
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-4:00 - ART 1930 Dec |
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-4:00 Arg AR%sT 1969 Oct 5 |
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@ -167,24 +218,30 @@ Zone America/Buenos_Aires -3:53:48 - LMT 1894 Oct 31 |
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-3:00 - ART |
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# |
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# Santa Fe (SF), Entre Rios (ER), Corrientes (CN), Misiones (MN), Chaco (CC), |
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# Formosa (FM), Salta (SA), Tucuman (TM), Santiago del Estero (SE), |
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# Cordoba (CB), La Rioja (LR), San Juan (SJ), San Luis (SL), La Pampa (LP), |
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# Neuquen (NQ), Rio Negro (RN), Chubut (CH) |
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# Formosa (FM), Salta (SA), Santiago del Estero (SE), Cordoba (CB), |
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# San Luis (SL), La Pampa (LP), Neuquen (NQ), Rio Negro (RN) |
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# |
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# Shanks also makes the following claims, which we haven't verified: |
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# - Formosa switched to -3:00 on 1991-01-07. |
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# - La Rioja and San Juan switched to -4:00 on 1991-03-01 |
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# and then to -3:00 on 1991-05-07. |
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# - Misiones switched to -3:00 on 1990-12-29. |
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# - Chaco switched to -3:00 on 1991-01-04. |
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# - San Luis switched to -4:00 on 1990-03-14, then to -3:00 on 1990-10-15, |
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# then to -4:00 on 1991-03-01, then to -3:00 on 1991-06-01. |
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# - Santiago del Estero switched to -4:00 on 1991-04-01, |
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# then to -3:00 on 1991-04-26. |
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# If we need to add Zones for these areas, we may need to have a subdirectory |
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# for Argentina, as e.g. "America/San_Luis" is too ambiguious. |
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# |
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Zone America/Cordoba -4:16:48 - LMT 1894 Oct 31 |
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Zone America/Argentina/Cordoba -4:16:48 - LMT 1894 Oct 31 |
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-4:16:48 - CMT 1920 May |
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-4:00 - ART 1930 Dec |
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-4:00 Arg AR%sT 1969 Oct 5 |
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-3:00 Arg AR%sT 1991 Mar 3 |
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-4:00 - WART 1991 Oct 20 |
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-3:00 Arg AR%sT 1999 Oct 3 |
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-4:00 Arg AR%sT 2000 Mar 3 |
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-3:00 - ART |
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# |
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# Tucuman (TM) |
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Zone America/Argentina/Tucuman -4:20:52 - LMT 1894 Oct 31 |
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-4:16:48 - CMT 1920 May |
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-4:00 - ART 1930 Dec |
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-4:00 Arg AR%sT 1969 Oct 5 |
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@ -192,10 +249,38 @@ Zone America/Cordoba -4:16:48 - LMT 1894 Oct 31 |
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-4:00 - WART 1991 Oct 20 |
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-3:00 Arg AR%sT 1999 Oct 3 |
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-4:00 Arg AR%sT 2000 Mar 3 |
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-3:00 - ART 2004 Jun 1 |
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-4:00 - WART 2004 Jun 13 |
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-3:00 - ART |
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# |
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# La Rioja (LR) |
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Zone America/Argentina/La_Rioja -4:27:24 - LMT 1894 Oct 31 |
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-4:16:48 - CMT 1920 May |
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-4:00 - ART 1930 Dec |
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-4:00 Arg AR%sT 1969 Oct 5 |
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-3:00 Arg AR%sT 1991 Mar 1 |
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-4:00 - WART 1991 May 7 |
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-3:00 Arg AR%sT 1999 Oct 3 |
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-4:00 Arg AR%sT 2000 Mar 3 |
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-3:00 - ART 2004 Jun 1 |
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-4:00 - WART 2004 Jun 20 |
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-3:00 - ART |
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# |
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# San Juan (SJ) |
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Zone America/Argentina/San_Juan -4:34:04 - LMT 1894 Oct 31 |
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-4:16:48 - CMT 1920 May |
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-4:00 - ART 1930 Dec |
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-4:00 Arg AR%sT 1969 Oct 5 |
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-3:00 Arg AR%sT 1991 Mar 1 |
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-4:00 - WART 1991 May 7 |
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-3:00 Arg AR%sT 1999 Oct 3 |
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-4:00 Arg AR%sT 2000 Mar 3 |
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-3:00 - ART 2004 May 31 |
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-4:00 - WART 2004 Jul 25 |
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-3:00 - ART |
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# |
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# Jujuy (JY) |
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Zone America/Jujuy -4:21:12 - LMT 1894 Oct 31 |
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Zone America/Argentina/Jujuy -4:21:12 - LMT 1894 Oct 31 |
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-4:16:48 - CMT 1920 May |
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-4:00 - ART 1930 Dec |
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-4:00 Arg AR%sT 1969 Oct 5 |
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@ -209,7 +294,7 @@ Zone America/Jujuy -4:21:12 - LMT 1894 Oct 31 |
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-3:00 - ART |
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# |
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# Catamarca (CT) |
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Zone America/Catamarca -4:23:08 - LMT 1894 Oct 31 |
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Zone America/Argentina/Catamarca -4:23:08 - LMT 1894 Oct 31 |
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-4:16:48 - CMT 1920 May |
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-4:00 - ART 1930 Dec |
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-4:00 Arg AR%sT 1969 Oct 5 |
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@ -217,10 +302,12 @@ Zone America/Catamarca -4:23:08 - LMT 1894 Oct 31 |
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-4:00 - WART 1991 Oct 20 |
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-3:00 Arg AR%sT 1999 Oct 3 |
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-4:00 Arg AR%sT 2000 Mar 3 |
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-3:00 - ART 2004 Jun 1 |
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-4:00 - WART 2004 Jun 20 |
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-3:00 - ART |
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# |
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# Mendoza (MZ) |
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Zone America/Mendoza -4:35:16 - LMT 1894 Oct 31 |
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Zone America/Argentina/Mendoza -4:35:16 - LMT 1894 Oct 31 |
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-4:16:48 - CMT 1920 May |
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-4:00 - ART 1930 Dec |
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-4:00 Arg AR%sT 1969 Oct 5 |
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@ -232,6 +319,44 @@ Zone America/Mendoza -4:35:16 - LMT 1894 Oct 31 |
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-4:00 - WART 1992 Oct 18 |
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-3:00 Arg AR%sT 1999 Oct 3 |
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-4:00 Arg AR%sT 2000 Mar 3 |
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-3:00 - ART 2004 May 23 |
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-4:00 - WART 2004 Sep 26 |
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-3:00 - ART |
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# |
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# Chubut (CH) |
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# The name "Comodoro Rivadavia" exceeds the 14-byte POSIX limit. |
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Zone America/Argentina/ComodRivadavia -4:30:00 - LMT 1894 Oct 31 |
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-4:16:48 - CMT 1920 May |
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-4:00 - ART 1930 Dec |
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-4:00 Arg AR%sT 1969 Oct 5 |
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-3:00 Arg AR%sT 1991 Mar 3 |
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-4:00 - WART 1991 Oct 20 |
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-3:00 Arg AR%sT 1999 Oct 3 |
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-4:00 Arg AR%sT 2000 Mar 3 |
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-3:00 - ART 2004 Jun 1 |
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-4:00 - WART 2004 Jun 20 |
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-3:00 - ART |
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# |
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# Santa Cruz (SC) |
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Zone America/Argentina/Rio_Gallegos -4:36:52 - LMT 1894 Oct 31 |
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-4:16:48 - CMT 1920 May # Cordoba Mean Time |
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-4:00 - ART 1930 Dec |
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-4:00 Arg AR%sT 1969 Oct 5 |
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-3:00 Arg AR%sT 1999 Oct 3 |
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-4:00 Arg AR%sT 2000 Mar 3 |
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-3:00 - ART 2004 Jun 1 |
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-4:00 - WART 2004 Jun 20 |
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-3:00 - ART |
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# |
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# Tierra del Fuego, Antartida e Islas del Atlantico Sur (TF) |
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Zone America/Argentina/Ushuaia -4:33:12 - LMT 1894 Oct 31 |
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-4:16:48 - CMT 1920 May # Cordoba Mean Time |
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-4:00 - ART 1930 Dec |
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-4:00 Arg AR%sT 1969 Oct 5 |
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-3:00 Arg AR%sT 1999 Oct 3 |
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-4:00 Arg AR%sT 2000 Mar 3 |
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-3:00 - ART 2004 May 30 |
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-4:00 - WART 2004 Jun 20 |
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-3:00 - ART |
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# Aruba |
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@ -309,6 +434,11 @@ Zone America/La_Paz -4:32:36 - LMT 1890 |
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# the Government decided to postpone DST, instead of changing the Constitution |
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# (maybe, for the next elections, it will be possible to change the clock)... |
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# From Rodrigo Severo (2004-10-04): |
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# It's just the biannual change made necessary by the much hyped, supposedly |
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# modern Brazilian eletronic voting machines which, apparently, can't deal |
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# with a time change between the first and the second rounds of the elections. |
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# From Paul Eggert (2002-10-10): |
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# The official decrees referenced below are mostly taken from |
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# <a href="http://pcdsh01.on.br/DecHV.html"> |
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@ -389,8 +519,8 @@ Rule Brazil 1992 only - Oct 25 0:00 1:00 S |
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Rule Brazil 1993 only - Jan 31 0:00 0 - |
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# Decree <a href="http://pcdsh01.on.br/HV942.htm">942</a> (1993-09-28) |
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# adopted by same states, plus AM. |
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# Decree <a href="http://pcdsh01.on.br/HV1252.htm">1,252</a> (1994-09-22) |
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# adopted by same states, minus AM and MT. |
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# Decree <a href="http://pcdsh01.on.br/HV1252.htm">1,252</a> (1994-09-22; |
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# web page corrected 2004-01-07) adopted by same states, minus AM. |
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# Decree <a href="http://pcdsh01.on.br/HV1636.htm">1,636</a> (1995-09-14) |
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# adopted by same states, plus MT and TO. |
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# Decree <a href="http://pcdsh01.on.br/HV1674.htm">1,674</a> (1995-10-13) |
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@ -445,11 +575,15 @@ Rule Brazil 2001 max - Feb Sun>=15 0:00 0 - |
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Rule Brazil 2002 only - Nov 3 0:00 1:00 S |
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# Decree 4,844 (2003-09-24; corrected 2003-09-26) repeals DST in BA, MT, TO. |
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# <a href="http://www.presidencia.gov.br/CCIVIL/decreto/2003/D4844.htm"></a> |
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Rule Brazil 2003 max - Oct Sun>=15 0:00 1:00 S |
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Rule Brazil 2003 only - Oct 19 0:00 1:00 S |
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# Decree 5,223 (2004-10-01) reestablishes DST in MT. |
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# <a href="http://www.planalto.gov.br/ccivil_03/_Ato2004-2006/2004/Decreto/D5223.htm"></a> |
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Rule Brazil 2004 only - Nov 2 0:00 1:00 S |
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# The latest ruleset listed above says that the following states observe DST: |
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# DF, ES, GO, MG, MS, PR, RJ, RS, SC, SP. |
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# DF, ES, GO, MG, MS, MT, PR, RJ, RS, SC, SP. |
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# |
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# For dates after mid-2004, the above rules with TO="max" are guesses |
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Rule Brazil 2005 max - Oct Sun>=15 0:00 1:00 S |
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# For dates after mid-2005, the above rules with TO="max" are guesses |
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# and are quite possibly wrong, but are more likely than no DST at all. |
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@ -536,10 +670,9 @@ Zone America/Campo_Grande -3:38:28 - LMT 1914 |
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# |
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# Mato Grosso (MT) |
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Zone America/Cuiaba -3:44:20 - LMT 1914 |
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-4:00 Brazil AM%sT 1994 Sep 22 |
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-4:00 - AMT 1995 Sep 14 |
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-4:00 Brazil AM%sT 2003 Sep 24 |
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-4:00 - AMT |
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-4:00 - AMT 2004 Oct 4 |
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-4:00 Brazil AM%sT |
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# |
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# west Para (PA), Rondonia (RO) |
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# West Para includes Altamira, Oribidos, Prainha, Oriximina, and Santarem. |
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@ -920,6 +1053,11 @@ Rule Uruguay 1990 1992 - Mar Sun>=1 0:00 0 - |
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Rule Uruguay 1990 1991 - Oct Sun>=21 0:00 1:00 S |
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Rule Uruguay 1992 only - Oct 18 0:00 1:00 S |
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Rule Uruguay 1993 only - Feb 28 0:00 0 - |
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# From Eduardo Cota (2004-09-20): |
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# The uruguayan government has decreed a change in the local time.... |
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# http://www.presidencia.gub.uy/decretos/2004091502.htm |
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Rule Uruguay 2004 only - Sep Sun>=15 0:00 1:00 S |
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Rule Uruguay 2005 only - Mar Sun>=8 0:00 0 - |
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# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
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Zone America/Montevideo -3:44:44 - LMT 1898 Jun 28 |
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-3:44:44 - MMT 1920 May 1 # Montevideo MT |
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Tom Lane
21 years ago