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@ -1,4 +1,4 @@ |
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# @(#)southamerica 8.19 |
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# @(#)southamerica 8.27 |
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# <pre> |
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# This data is by no means authoritative; if you think you know better, |
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@ -164,9 +164,22 @@ Rule Arg 2000 only - Mar 3 0:00 0 - |
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# From Paul Eggert (2007-12-22): |
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# For dates after mid-2008, the following rules are my guesses and |
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# are quite possibly wrong, but are more likely than no DST at all. |
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# From Alexander Krivenyshev (2008-09-05): |
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# As per message from Carlos Alberto Fonseca Arauz (Nicaragua), |
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# Argentina will start DST on Sunday October 19, 2008. |
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# |
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# <a href="http://www.worldtimezone.com/dst_news/dst_news_argentina03.html"> |
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# http://www.worldtimezone.com/dst_news/dst_news_argentina03.html |
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# </a> |
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# OR |
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# <a href="http://www.impulsobaires.com.ar/nota.php?id=57832 (in spanish)"> |
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# http://www.impulsobaires.com.ar/nota.php?id=57832 (in spanish) |
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# </a> |
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Rule Arg 2007 only - Dec 30 0:00 1:00 S |
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Rule Arg 2008 max - Mar Sun>=15 0:00 0 - |
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Rule Arg 2008 max - Oct Sun>=1 0:00 1:00 S |
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Rule Arg 2008 max - Oct Sun>=15 0:00 1:00 S |
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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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@ -294,14 +307,14 @@ Rule Arg 2008 max - Oct Sun>=1 0:00 1:00 S |
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# back in 2004, when these provinces changed to UTC-4 for a few days, I |
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# mailed them personally and never got an answer). |
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# From Arthur David Olson (2008-03-15): |
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# Until there's better information, asssume San Luis was like San Juan |
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# rather than Mendoza (since San Juan has a simpler DST history). |
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# From Paul Eggert (2008-06-30): |
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# Unless otherwise specified, data are from Shanks & Pottenger through 1992, |
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# from the IATA otherwise. As noted below, Shanks & Pottenger say that |
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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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# America/Cordoba split into 6 subregions during 1991/1992, one of which |
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# was America/San_Luis, but we haven't verified this yet so for now we'll |
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# keep America/Cordoba a single region rather than splitting it into the |
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# other 5 subregions. |
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# |
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# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
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# |
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@ -316,14 +329,12 @@ Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31 |
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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), 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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# La Pampa (LP), Neuquen (NQ), Rio Negro (RN) |
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# |
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# Shanks & Pottenger also make 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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# - 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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# |
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@ -425,10 +436,13 @@ Zone America/Argentina/San_Luis -4:25:24 - 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 Arg AR%sT 1990 |
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-3:00 1:00 ARST 1990 Mar 14 |
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-4:00 - WART 1990 Oct 15 |
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-4:00 1:00 WARST 1991 Mar 1 |
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-4:00 - WART 1991 Jun 1 |
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-3:00 - ART 1999 Oct 3 |
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-4:00 1:00 WARST 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 Arg AR%sT 2008 Jan 21 |
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@ -540,12 +554,86 @@ Zone America/La_Paz -4:32:36 - LMT 1890 |
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# Brazil will start DST on 2007-10-14 00:00 and end on 2008-02-17 00:00: |
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# http://www.mme.gov.br/site/news/detail.do;jsessionid=BBA06811AFCAAC28F0285210913513DA?newsId=13975 |
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# From Paul Schulze (2008-06-24): |
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# ...by law number 11.662 of April 24, 2008 (published in the "Diario |
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# Oficial da Uniao"...) in Brazil there are changes in the timezones, |
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# effective today (00:00am at June 24, 2008) as follows: |
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# |
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# a) The timezone UTC+5 is e[x]tinguished, with all the Acre state and the |
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# part of the Amazonas state that had this timezone now being put to the |
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# timezone UTC+4 |
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# b) The whole Para state now is put at timezone UTC+3, instead of just |
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# part of it, as was before. |
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# |
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# This change follows a proposal of senator Tiao Viana of Acre state, that |
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# proposed it due to concerns about open television channels displaying |
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# programs inappropriate to youths in the states that had the timezone |
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# UTC+5 too early in the night. In the occasion, some more corrections |
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# were proposed, trying to unify the timezones of any given state. This |
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# change modifies timezone rules defined in decree 2.784 of 18 June, |
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# 1913. |
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# From Rodrigo Severo (2008-06-24): |
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# Just correcting the URL: |
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# <a href="https://www.in.gov.br/imprensa/visualiza/index.jsp?jornal=3Ddo&secao=3D1&pagina=3D1&data=3D25/04/2008"> |
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# https://www.in.gov.br/imprensa/visualiza/index.jsp?jornal=3Ddo&secao=3D1&pagina=3D1&data=3D25/04/2008 |
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# </a> |
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# |
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# As a result of the above Decree I believe the America/Rio_Branco |
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# timezone shall be modified from UTC-5 to UTC-4 and a new timezone shall |
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# be created to represent the the west side of the Para State. I |
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# suggest this new timezone be called Santarem as the most |
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# important/populated city in the affected area. |
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# |
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# This new timezone would be the same as the Rio_Branco timezone up to |
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# the 2008/06/24 change which would be to UTC-3 instead of UTC-4. |
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# From Alex Krivenyshev (2008-06-24): |
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# This is a quick reference page for New and Old Brazil Time Zones map. |
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# <a href="http://www.worldtimezone.com/brazil-time-new-old.php"> |
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# http://www.worldtimezone.com/brazil-time-new-old.php |
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# </a> |
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# |
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# - 4 time zones replaced by 3 time zones-eliminating time zone UTC- 05 |
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# (state Acre and the part of the Amazonas will be UTC/GMT- 04) - western |
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# part of Par state is moving to one timezone UTC- 03 (from UTC -04). |
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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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# Decretos sobre o Horario de Verao no Brasil |
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# </a>. |
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# From Steffen Thorsen (2008-08-29): |
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# As announced by the government and many newspapers in Brazil late |
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# yesterday, Brazil will start DST on 2008-10-19 (need to change rule) and |
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# it will end on 2009-02-15 (current rule for Brazil is fine). Based on |
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# past years experience with the elections, there was a good chance that |
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# the start was postponed to November, but it did not happen this year. |
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# |
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# It has not yet been posted to http://pcdsh01.on.br/DecHV.html |
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# |
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# An official page about it: |
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# <a href="http://www.mme.gov.br/site/news/detail.do?newsId=16722"> |
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# http://www.mme.gov.br/site/news/detail.do?newsId=16722 |
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# </a> |
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# Note that this link does not always work directly, but must be accessed |
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# by going to |
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# <a href="http://www.mme.gov.br/first>" |
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# http://www.mme.gov.br/first |
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# </a> |
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# |
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# One example link that works directly: |
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# <a href="http://jornale.com.br/index.php?option=com_content&task=view&id=13530&Itemid=54"> |
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# http://jornale.com.br/index.php?option=com_content&task=view&id=13530&Itemid=54 |
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# (Portuguese) |
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# </a> |
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# |
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# We have a written a short article about it as well: |
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# <a href="http://www.timeanddate.com/news/time/brazil-dst-2008-2009.html"> |
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# http://www.timeanddate.com/news/time/brazil-dst-2008-2009.html |
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# </a> |
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
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# Decree <a href="http://pcdsh01.on.br/HV20466.htm">20,466</a> (1931-10-01) |
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# Decree <a href="http://pcdsh01.on.br/HV21896.htm">21,896</a> (1932-01-10) |
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@ -662,13 +750,13 @@ Rule Brazil 2000 only - Feb 27 0:00 0 - |
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Rule Brazil 2000 2001 - Oct Sun>=8 0:00 1:00 S |
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Rule Brazil 2001 2006 - Feb Sun>=15 0:00 0 - |
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# Decree 4,399 (2002-10-01) repeals DST in AL, CE, MA, PB, PE, PI, RN, SE. |
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# <a href="http://www.presidencia.gov.br/CCIVIL/decreto/2002/D4399.htm"></a> |
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# <a href="http://www.presidencia.gov.br/CCIVIL/decreto/2002/D4399.htm">4,399</a> |
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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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# <a href="http://www.presidencia.gov.br/CCIVIL/decreto/2003/D4844.htm">4,844</a> |
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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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# <a href="http://www.planalto.gov.br/ccivil_03/_Ato2004-2006/2004/Decreto/D5223.htm">5,223</a> |
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Rule Brazil 2004 only - Nov 2 0:00 1:00 S |
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# Decree <a href="http://pcdsh01.on.br/DecHV5539.gif">5,539</a> (2005-09-19), |
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# adopted by the same states as before. |
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@ -677,17 +765,16 @@ Rule Brazil 2005 only - Oct 16 0:00 1:00 S |
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# adopted by the same states as before. |
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Rule Brazil 2006 only - Nov 5 0:00 1:00 S |
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Rule Brazil 2007 only - Feb 25 0:00 0 - |
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# (Decree number not yet known) |
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# http://www.brasil.gov.br/noticias/ultimas_noticias/horario_verao070920/ |
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# (2007-09-20) after a heads-up from Steffen Thorsen: |
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Rule Brazil 2007 max - Oct Sun>=8 0:00 1:00 S |
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# Decree <a href="http://pcdsh01.on.br/DecHV6212.gif">6,212</a> (2007-09-26), |
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# adopted by the same states as before. |
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Rule Brazil 2007 only - Oct Sun>=8 0:00 1:00 S |
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Rule Brazil 2008 max - Feb Sun>=15 0:00 0 - |
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Rule Brazil 2008 max - Oct Sun>=15 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, MT, PR, RJ, RS, SC, SP. |
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# For dates after mid-2008, 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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# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
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# |
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# Fernando de Noronha (administratively part of PE) |
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@ -713,6 +800,13 @@ Zone America/Belem -3:13:56 - LMT 1914 |
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-3:00 Brazil BR%sT 1988 Sep 12 |
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-3:00 - BRT |
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# |
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# west Para (PA) |
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# West Para includes Altamira, Oribidos, Prainha, Oriximina, and Santarem. |
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Zone America/Santarem -3:38:48 - LMT 1914 |
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-4:00 Brazil AM%sT 1988 Sep 12 |
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-4:00 - AMT 2008 Jun 24 00:00 |
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-3:00 - BRT |
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# |
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# Maranhao (MA), Piaui (PI), Ceara (CE), Rio Grande do Norte (RN), |
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# Paraiba (PB) |
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Zone America/Fortaleza -2:34:00 - LMT 1914 |
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@ -775,8 +869,7 @@ Zone America/Cuiaba -3:44:20 - LMT 1914 |
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-4:00 - AMT 2004 Oct 1 |
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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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# Rondonia (RO) |
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Zone America/Porto_Velho -4:15:36 - LMT 1914 |
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-4:00 Brazil AM%sT 1988 Sep 12 |
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-4:00 - AMT |
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@ -803,13 +896,14 @@ Zone America/Eirunepe -4:39:28 - LMT 1914 |
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-5:00 Brazil AC%sT 1988 Sep 12 |
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-5:00 - ACT 1993 Sep 28 |
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-5:00 Brazil AC%sT 1994 Sep 22 |
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-5:00 - ACT |
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-5:00 - ACT 2008 Jun 24 00:00 |
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-4:00 - AMT |
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# |
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# Acre (AC) |
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Zone America/Rio_Branco -4:31:12 - LMT 1914 |
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-5:00 Brazil AC%sT 1988 Sep 12 |
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-5:00 - ACT |
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-5:00 - ACT 2008 Jun 24 00:00 |
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-4:00 - AMT |
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# Chile |
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@ -856,7 +950,7 @@ Zone America/Rio_Branco -4:31:12 - LMT 1914 |
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# http://www.horaoficial.cl/cambio.htm |
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# </a>. |
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# From José Miguel Garrido (2008-03-05): |
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# From Jose Miguel Garrido (2008-03-05): |
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# ... |
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# You could see the announces of the change on |
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# <a href="http://www.shoa.cl/noticias/2008/04hora/hora.htm"> |
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Tom Lane
18 years ago