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#
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Sun designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Sun in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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# CA 95054 USA or visit www.sun.com if you need additional information or
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# have any questions.
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#
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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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# go ahead and edit the file (and please send any changes to
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# tz@elsie.nci.nih.gov for general use in the future).
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# From Paul Eggert (2006-03-22):
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# A good source for time zone historical data outside the U.S. is
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# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
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# San Diego: ACS Publications, Inc. (2003).
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#
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# Gwillim Law writes that a good source
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# for recent time zone data is the International Air Transport
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# Association's Standard Schedules Information Manual (IATA SSIM),
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# published semiannually. Law sent in several helpful summaries
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# of the IATA's data after 1990.
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#
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# Except where otherwise noted, Shanks & Pottenger is the source for
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# entries through 1990, and IATA SSIM is the source for entries afterwards.
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#
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# Earlier editions of these tables used the North American style (e.g. ARST and
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# ARDT for Argentine Standard and Daylight Time), but the following quote
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# suggests that it's better to use European style (e.g. ART and ARST).
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# I suggest the use of _Summer time_ instead of the more cumbersome
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# _daylight-saving time_. _Summer time_ seems to be in general use
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# in Europe and South America.
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# -- E O Cutler, _New York Times_ (1937-02-14), quoted in
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# H L Mencken, _The American Language: Supplement I_ (1960), p 466
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#
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# Earlier editions of these tables also used the North American style
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# for time zones in Brazil, but this was incorrect, as Brazilians say
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# "summer time". Reinaldo Goulart, a Sao Paulo businessman active in
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# the railroad sector, writes (1999-07-06):
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# The subject of time zones is currently a matter of discussion/debate in
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# Brazil. Let's say that "the Brasilia time" is considered the
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# "official time" because Brasilia is the capital city.
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# The other three time zones are called "Brasilia time "minus one" or
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# "plus one" or "plus two". As far as I know there is no such
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# name/designation as "Eastern Time" or "Central Time".
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# So I invented the following (English-language) abbreviations for now.
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# Corrections are welcome!
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# std dst
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# -2:00 FNT FNST Fernando de Noronha
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# -3:00 BRT BRST Brasilia
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# -4:00 AMT AMST Amazon
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# -5:00 ACT ACST Acre
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###############################################################################
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###############################################################################
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# Argentina
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# From Bob Devine (1988-01-28):
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# Argentina: first Sunday in October to first Sunday in April since 1976.
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# Double Summer time from 1969 to 1974. Switches at midnight.
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# From U. S. Naval Observatory (1988-01-199):
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# ARGENTINA 3 H BEHIND UTC
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# From Hernan G. Otero (1995-06-26):
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# I am sending modifications to the Argentine time zone table...
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# AR was chosen because they are the ISO letters that represent Argentina.
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Arg 1930 only - Dec 1 0:00 1:00 S
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Rule Arg 1931 only - Apr 1 0:00 0 -
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Rule Arg 1931 only - Oct 15 0:00 1:00 S
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Rule Arg 1932 1940 - Mar 1 0:00 0 -
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Rule Arg 1932 1939 - Nov 1 0:00 1:00 S
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Rule Arg 1940 only - Jul 1 0:00 1:00 S
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Rule Arg 1941 only - Jun 15 0:00 0 -
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Rule Arg 1941 only - Oct 15 0:00 1:00 S
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Rule Arg 1943 only - Aug 1 0:00 0 -
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Rule Arg 1943 only - Oct 15 0:00 1:00 S
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Rule Arg 1946 only - Mar 1 0:00 0 -
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Rule Arg 1946 only - Oct 1 0:00 1:00 S
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Rule Arg 1963 only - Oct 1 0:00 0 -
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Rule Arg 1963 only - Dec 15 0:00 1:00 S
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Rule Arg 1964 1966 - Mar 1 0:00 0 -
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Rule Arg 1964 1966 - Oct 15 0:00 1:00 S
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Rule Arg 1967 only - Apr 2 0:00 0 -
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Rule Arg 1967 1968 - Oct Sun>=1 0:00 1:00 S
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Rule Arg 1968 1969 - Apr Sun>=1 0:00 0 -
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Rule Arg 1974 only - Jan 23 0:00 1:00 S
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Rule Arg 1974 only - May 1 0:00 0 -
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Rule Arg 1988 only - Dec 1 0:00 1:00 S
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#
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# From Hernan G. Otero (1995-06-26):
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# These corrections were contributed by InterSoft Argentina S.A.,
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# obtaining the data from the:
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# Talleres de Hidrografia Naval Argentina
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# (Argentine Naval Hydrography Institute)
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Rule Arg 1989 1993 - Mar Sun>=1 0:00 0 -
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Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 S
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#
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# From Hernan G. Otero (1995-06-26):
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# From this moment on, the law that mandated the daylight saving
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# time corrections was derogated and no more modifications
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# to the time zones (for daylight saving) are now made.
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#
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# From Rives McDow (2000-01-10):
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# On October 3, 1999, 0:00 local, Argentina implemented daylight savings time,
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# which did not result in the switch of a time zone, as they stayed 9 hours
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# from the International Date Line.
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Rule Arg 1999 only - Oct Sun>=1 0:00 1:00 S
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Rule Arg 2000 only - Mar Sun>=1 0:00 0 -
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#
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# From Peter Gradelski via Steffen Thorsen (2000-03-01):
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# We just checked with our Sao Paulo office and they say the government of
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# Argentina decided not to become one of the countries that go on or off DST.
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# So Buenos Aires should be -3 hours from GMT at all times.
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#
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# From Fabian L. Arce Jofre (2000-04-04):
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# The law that claimed DST for Argentina was derogated by President Fernando
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# de la Rua on March 2, 2000, because it would make people spend more energy
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# in the winter time, rather than less. The change took effect on March 3.
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#
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# From Mariano Absatz (2001-06-06):
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# one of the major newspapers here in Argentina said that the 1999
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# Timezone Law (which never was effectively applied) will (would?) be
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# in effect.... The article is at
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# http://ar.clarin.com/diario/2001-06-06/e-01701.htm
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# ... The Law itself is "Ley No 25155", sanctioned on 1999-08-25, enacted
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# 1999-09-17, and published 1999-09-21. The official publication is at:
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# http://www.boletin.jus.gov.ar/BON/Primera/1999/09-Septiembre/21/PDF/BO21-09-99LEG.PDF
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# Regretfully, you have to subscribe (and pay) for the on-line version....
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#
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# (2001-06-12):
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# the timezone for Argentina will not change next Sunday.
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# Apparently it will do so on Sunday 24th....
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# http://ar.clarin.com/diario/2001-06-12/s-03501.htm
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#
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# (2001-06-25):
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# Last Friday (yes, the last working day before the date of the change), the
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# Senate annulled the 1999 law that introduced the changes later postponed.
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# http://www.clarin.com.ar/diario/2001-06-22/s-03601.htm
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# It remains the vote of the Deputies..., but it will be the same....
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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 (2006-03-22):
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# <a href="http://www.spicasc.net/horvera.html">
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# Hora de verano para la Republica Argentina (2003-06-08)
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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 & Pottenger.
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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 & 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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#
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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#
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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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-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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# 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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#
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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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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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-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 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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|
296 |
-4:00 - WART 1991 May 7
|
|
|
297 |
-3:00 Arg AR%sT 1999 Oct 3
|
|
|
298 |
-4:00 Arg AR%sT 2000 Mar 3
|
|
|
299 |
-3:00 - ART 2004 May 31
|
|
|
300 |
-4:00 - WART 2004 Jul 25
|
|
|
301 |
-3:00 - ART
|
|
|
302 |
#
|
|
|
303 |
# Jujuy (JY)
|
|
|
304 |
Zone America/Argentina/Jujuy -4:21:12 - LMT 1894 Oct 31
|
|
|
305 |
-4:16:48 - CMT 1920 May
|
|
|
306 |
-4:00 - ART 1930 Dec
|
|
|
307 |
-4:00 Arg AR%sT 1969 Oct 5
|
|
|
308 |
-3:00 Arg AR%sT 1990 Mar 4
|
|
|
309 |
-4:00 - WART 1990 Oct 28
|
|
|
310 |
-4:00 1:00 WARST 1991 Mar 17
|
|
|
311 |
-4:00 - WART 1991 Oct 6
|
|
|
312 |
-3:00 1:00 ARST 1992
|
|
|
313 |
-3:00 Arg AR%sT 1999 Oct 3
|
|
|
314 |
-4:00 Arg AR%sT 2000 Mar 3
|
|
|
315 |
-3:00 - ART
|
|
|
316 |
#
|
|
|
317 |
# Catamarca (CT), Chubut (CH)
|
|
|
318 |
Zone America/Argentina/Catamarca -4:23:08 - LMT 1894 Oct 31
|
|
|
319 |
-4:16:48 - CMT 1920 May
|
|
|
320 |
-4:00 - ART 1930 Dec
|
|
|
321 |
-4:00 Arg AR%sT 1969 Oct 5
|
|
|
322 |
-3:00 Arg AR%sT 1991 Mar 3
|
|
|
323 |
-4:00 - WART 1991 Oct 20
|
|
|
324 |
-3:00 Arg AR%sT 1999 Oct 3
|
|
|
325 |
-4:00 Arg AR%sT 2000 Mar 3
|
|
|
326 |
-3:00 - ART 2004 Jun 1
|
|
|
327 |
-4:00 - WART 2004 Jun 20
|
|
|
328 |
-3:00 - ART
|
|
|
329 |
#
|
|
|
330 |
# Mendoza (MZ)
|
|
|
331 |
Zone America/Argentina/Mendoza -4:35:16 - LMT 1894 Oct 31
|
|
|
332 |
-4:16:48 - CMT 1920 May
|
|
|
333 |
-4:00 - ART 1930 Dec
|
|
|
334 |
-4:00 Arg AR%sT 1969 Oct 5
|
|
|
335 |
-3:00 Arg AR%sT 1990 Mar 4
|
|
|
336 |
-4:00 - WART 1990 Oct 15
|
|
|
337 |
-4:00 1:00 WARST 1991 Mar 1
|
|
|
338 |
-4:00 - WART 1991 Oct 15
|
|
|
339 |
-4:00 1:00 WARST 1992 Mar 1
|
|
|
340 |
-4:00 - WART 1992 Oct 18
|
|
|
341 |
-3:00 Arg AR%sT 1999 Oct 3
|
|
|
342 |
-4:00 Arg AR%sT 2000 Mar 3
|
|
|
343 |
-3:00 - ART 2004 May 23
|
|
|
344 |
-4:00 - WART 2004 Sep 26
|
|
|
345 |
-3:00 - ART
|
|
|
346 |
#
|
|
|
347 |
# Santa Cruz (SC)
|
|
|
348 |
Zone America/Argentina/Rio_Gallegos -4:36:52 - LMT 1894 Oct 31
|
|
|
349 |
-4:16:48 - CMT 1920 May # Cordoba Mean Time
|
|
|
350 |
-4:00 - ART 1930 Dec
|
|
|
351 |
-4:00 Arg AR%sT 1969 Oct 5
|
|
|
352 |
-3:00 Arg AR%sT 1999 Oct 3
|
|
|
353 |
-4:00 Arg AR%sT 2000 Mar 3
|
|
|
354 |
-3:00 - ART 2004 Jun 1
|
|
|
355 |
-4:00 - WART 2004 Jun 20
|
|
|
356 |
-3:00 - ART
|
|
|
357 |
#
|
|
|
358 |
# Tierra del Fuego, Antartida e Islas del Atlantico Sur (TF)
|
|
|
359 |
Zone America/Argentina/Ushuaia -4:33:12 - LMT 1894 Oct 31
|
|
|
360 |
-4:16:48 - CMT 1920 May # Cordoba Mean Time
|
|
|
361 |
-4:00 - ART 1930 Dec
|
|
|
362 |
-4:00 Arg AR%sT 1969 Oct 5
|
|
|
363 |
-3:00 Arg AR%sT 1999 Oct 3
|
|
|
364 |
-4:00 Arg AR%sT 2000 Mar 3
|
|
|
365 |
-3:00 - ART 2004 May 30
|
|
|
366 |
-4:00 - WART 2004 Jun 20
|
|
|
367 |
-3:00 - ART
|
|
|
368 |
|
|
|
369 |
# Aruba
|
|
|
370 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
371 |
Zone America/Aruba -4:40:24 - LMT 1912 Feb 12 # Oranjestad
|
|
|
372 |
-4:30 - ANT 1965 # Netherlands Antilles Time
|
|
|
373 |
-4:00 - AST
|
|
|
374 |
|
|
|
375 |
# Bolivia
|
|
|
376 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
377 |
Zone America/La_Paz -4:32:36 - LMT 1890
|
|
|
378 |
-4:32:36 - CMT 1931 Oct 15 # Calamarca MT
|
|
|
379 |
-4:32:36 1:00 BOST 1932 Mar 21 # Bolivia ST
|
|
|
380 |
-4:00 - BOT # Bolivia Time
|
|
|
381 |
|
|
|
382 |
# Brazil
|
|
|
383 |
|
|
|
384 |
# From Paul Eggert (1993-11-18):
|
|
|
385 |
# The mayor of Rio recently attempted to change the time zone rules
|
|
|
386 |
# just in his city, in order to leave more summer time for the tourist trade.
|
|
|
387 |
# The rule change lasted only part of the day;
|
|
|
388 |
# the federal government refused to follow the city's rules, and business
|
|
|
389 |
# was in a chaos, so the mayor backed down that afternoon.
|
|
|
390 |
|
|
|
391 |
# From IATA SSIM (1996-02):
|
|
|
392 |
# _Only_ the following states in BR1 observe DST: Rio Grande do Sul (RS),
|
|
|
393 |
# Santa Catarina (SC), Parana (PR), Sao Paulo (SP), Rio de Janeiro (RJ),
|
|
|
394 |
# Espirito Santo (ES), Minas Gerais (MG), Bahia (BA), Goias (GO),
|
|
|
395 |
# Distrito Federal (DF), Tocantins (TO), Sergipe [SE] and Alagoas [AL].
|
|
|
396 |
# [The last three states are new to this issue of the IATA SSIM.]
|
|
|
397 |
|
|
|
398 |
# From Gwillim Law (1996-10-07):
|
|
|
399 |
# Geography, history (Tocantins was part of Goias until 1989), and other
|
|
|
400 |
# sources of time zone information lead me to believe that AL, SE, and TO were
|
|
|
401 |
# always in BR1, and so the only change was whether or not they observed DST....
|
|
|
402 |
# The earliest issue of the SSIM I have is 2/91. Each issue from then until
|
|
|
403 |
# 9/95 says that DST is observed only in the ten states I quoted from 9/95,
|
|
|
404 |
# along with Mato Grosso (MT) and Mato Grosso do Sul (MS), which are in BR2
|
|
|
405 |
# (UTC-4).... The other two time zones given for Brazil are BR3, which is
|
|
|
406 |
# UTC-5, no DST, and applies only in the state of Acre (AC); and BR4, which is
|
|
|
407 |
# UTC-2, and applies to Fernando de Noronha (formerly FN, but I believe it's
|
|
|
408 |
# become part of the state of Pernambuco). The boundary between BR1 and BR2
|
|
|
409 |
# has never been clearly stated. They've simply been called East and West.
|
|
|
410 |
# However, some conclusions can be drawn from another IATA manual: the Airline
|
|
|
411 |
# Coding Directory, which lists close to 400 airports in Brazil. For each
|
|
|
412 |
# airport it gives a time zone which is coded to the SSIM. From that
|
|
|
413 |
# information, I'm led to conclude that the states of Amapa (AP), Ceara (CE),
|
|
|
414 |
# Maranhao (MA), Paraiba (PR), Pernambuco (PE), Piaui (PI), and Rio Grande do
|
|
|
415 |
# Norte (RN), and the eastern part of Para (PA) are all in BR1 without DST.
|
|
|
416 |
|
|
|
417 |
# From Marcos Tadeu (1998-09-27):
|
|
|
418 |
# <a href="http://pcdsh01.on.br/verao1.html">
|
|
|
419 |
# Brazilian official page
|
|
|
420 |
# </a>
|
|
|
421 |
|
|
|
422 |
# From Jesper Norgaard (2000-11-03):
|
|
|
423 |
# [For an official list of which regions in Brazil use which time zones, see:]
|
|
|
424 |
# http://pcdsh01.on.br/Fusbr.htm
|
|
|
425 |
# http://pcdsh01.on.br/Fusbrhv.htm
|
|
|
426 |
|
|
|
427 |
# From Celso Doria via David Madeo (2002-10-09):
|
|
|
428 |
# The reason for the delay this year has to do with elections in Brazil.
|
|
|
429 |
#
|
|
|
430 |
# Unlike in the United States, elections in Brazil are 100% computerized and
|
|
|
431 |
# the results are known almost immediately. Yesterday, it was the first
|
|
|
432 |
# round of the elections when 115 million Brazilians voted for President,
|
|
|
433 |
# Governor, Senators, Federal Deputies, and State Deputies. Nobody is
|
|
|
434 |
# counting (or re-counting) votes anymore and we know there will be a second
|
|
|
435 |
# round for the Presidency and also for some Governors. The 2nd round will
|
|
|
436 |
# take place on October 27th.
|
|
|
437 |
#
|
|
|
438 |
# The reason why the DST will only begin November 3rd is that the thousands
|
|
|
439 |
# of electoral machines used cannot have their time changed, and since the
|
|
|
440 |
# Constitution says the elections must begin at 8:00 AM and end at 5:00 PM,
|
|
|
441 |
# the Government decided to postpone DST, instead of changing the Constitution
|
|
|
442 |
# (maybe, for the next elections, it will be possible to change the clock)...
|
|
|
443 |
|
|
|
444 |
# From Rodrigo Severo (2004-10-04):
|
|
|
445 |
# It's just the biannual change made necessary by the much hyped, supposedly
|
|
|
446 |
# modern Brazilian eletronic voting machines which, apparently, can't deal
|
|
|
447 |
# with a time change between the first and the second rounds of the elections.
|
|
|
448 |
|
|
|
449 |
# From Steffen Thorsen (2007-09-20):
|
|
|
450 |
# Brazil will start DST on 2007-10-14 00:00 and end on 2008-02-17 00:00:
|
|
|
451 |
# http://www.mme.gov.br/site/news/detail.do;jsessionid=BBA06811AFCAAC28F0285210913513DA?newsId=13975
|
|
|
452 |
|
|
|
453 |
# From Paul Eggert (2002-10-10):
|
|
|
454 |
# The official decrees referenced below are mostly taken from
|
|
|
455 |
# <a href="http://pcdsh01.on.br/DecHV.html">
|
|
|
456 |
# Decretos sobre o Horario de Verao no Brasil
|
|
|
457 |
# </a>.
|
|
|
458 |
|
|
|
459 |
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
|
|
|
460 |
# Decree <a href="http://pcdsh01.on.br/HV20466.htm">20,466</a> (1931-10-01)
|
|
|
461 |
# Decree <a href="http://pcdsh01.on.br/HV21896.htm">21,896</a> (1932-01-10)
|
|
|
462 |
Rule Brazil 1931 only - Oct 3 11:00 1:00 S
|
|
|
463 |
Rule Brazil 1932 1933 - Apr 1 0:00 0 -
|
|
|
464 |
Rule Brazil 1932 only - Oct 3 0:00 1:00 S
|
|
|
465 |
# Decree <a href="http://pcdsh01.on.br/HV23195.htm">23,195</a> (1933-10-10)
|
|
|
466 |
# revoked DST.
|
|
|
467 |
# Decree <a href="http://pcdsh01.on.br/HV27496.htm">27,496</a> (1949-11-24)
|
|
|
468 |
# Decree <a href="http://pcdsh01.on.br/HV27998.htm">27,998</a> (1950-04-13)
|
|
|
469 |
Rule Brazil 1949 1952 - Dec 1 0:00 1:00 S
|
|
|
470 |
Rule Brazil 1950 only - Apr 16 1:00 0 -
|
|
|
471 |
Rule Brazil 1951 1952 - Apr 1 0:00 0 -
|
|
|
472 |
# Decree <a href="http://pcdsh01.on.br/HV32308.htm">32,308</a> (1953-02-24)
|
|
|
473 |
Rule Brazil 1953 only - Mar 1 0:00 0 -
|
|
|
474 |
# Decree <a href="http://pcdsh01.on.br/HV34724.htm">34,724</a> (1953-11-30)
|
|
|
475 |
# revoked DST.
|
|
|
476 |
# Decree <a href="http://pcdsh01.on.br/HV52700.htm">52,700</a> (1963-10-18)
|
|
|
477 |
# established DST from 1963-10-23 00:00 to 1964-02-29 00:00
|
|
|
478 |
# in SP, RJ, GB, MG, ES, due to the prolongation of the drought.
|
|
|
479 |
# Decree <a href="http://pcdsh01.on.br/HV53071.htm">53,071</a> (1963-12-03)
|
|
|
480 |
# extended the above decree to all of the national territory on 12-09.
|
|
|
481 |
Rule Brazil 1963 only - Dec 9 0:00 1:00 S
|
|
|
482 |
# Decree <a href="http://pcdsh01.on.br/HV53604.htm">53,604</a> (1964-02-25)
|
|
|
483 |
# extended summer time by one day to 1964-03-01 00:00 (start of school).
|
|
|
484 |
Rule Brazil 1964 only - Mar 1 0:00 0 -
|
|
|
485 |
# Decree <a href="http://pcdsh01.on.br/HV55639.htm">55,639</a> (1965-01-27)
|
|
|
486 |
Rule Brazil 1965 only - Jan 31 0:00 1:00 S
|
|
|
487 |
Rule Brazil 1965 only - Mar 31 0:00 0 -
|
|
|
488 |
# Decree <a href="http://pcdsh01.on.br/HV57303.htm">57,303</a> (1965-11-22)
|
|
|
489 |
Rule Brazil 1965 only - Dec 1 0:00 1:00 S
|
|
|
490 |
# Decree <a href="http://pcdsh01.on.br/HV57843.htm">57,843</a> (1966-02-18)
|
|
|
491 |
Rule Brazil 1966 1968 - Mar 1 0:00 0 -
|
|
|
492 |
Rule Brazil 1966 1967 - Nov 1 0:00 1:00 S
|
|
|
493 |
# Decree <a href="http://pcdsh01.on.br/HV63429.htm">63,429</a> (1968-10-15)
|
|
|
494 |
# revoked DST.
|
|
|
495 |
# Decree <a href="http://pcdsh01.on.br/HV91698.htm">91,698</a> (1985-09-27)
|
|
|
496 |
Rule Brazil 1985 only - Nov 2 0:00 1:00 S
|
|
|
497 |
# Decree 92,310 (1986-01-21)
|
|
|
498 |
# Decree 92,463 (1986-03-13)
|
|
|
499 |
Rule Brazil 1986 only - Mar 15 0:00 0 -
|
|
|
500 |
# Decree 93,316 (1986-10-01)
|
|
|
501 |
Rule Brazil 1986 only - Oct 25 0:00 1:00 S
|
|
|
502 |
Rule Brazil 1987 only - Feb 14 0:00 0 -
|
|
|
503 |
# Decree <a href="http://pcdsh01.on.br/HV94922.htm">94,922</a> (1987-09-22)
|
|
|
504 |
Rule Brazil 1987 only - Oct 25 0:00 1:00 S
|
|
|
505 |
Rule Brazil 1988 only - Feb 7 0:00 0 -
|
|
|
506 |
# Decree <a href="http://pcdsh01.on.br/HV96676.htm">96,676</a> (1988-09-12)
|
|
|
507 |
# except for the states of AC, AM, PA, RR, RO, and AP (then a territory)
|
|
|
508 |
Rule Brazil 1988 only - Oct 16 0:00 1:00 S
|
|
|
509 |
Rule Brazil 1989 only - Jan 29 0:00 0 -
|
|
|
510 |
# Decree <a href="http://pcdsh01.on.br/HV98077.htm">98,077</a> (1989-08-21)
|
|
|
511 |
# with the same exceptions
|
|
|
512 |
Rule Brazil 1989 only - Oct 15 0:00 1:00 S
|
|
|
513 |
Rule Brazil 1990 only - Feb 11 0:00 0 -
|
|
|
514 |
# Decree <a href="http://pcdsh01.on.br/HV99530.htm">99,530</a> (1990-09-17)
|
|
|
515 |
# adopted by RS, SC, PR, SP, RJ, ES, MG, GO, MS, DF.
|
|
|
516 |
# Decree 99,629 (1990-10-19) adds BA, MT.
|
|
|
517 |
Rule Brazil 1990 only - Oct 21 0:00 1:00 S
|
|
|
518 |
Rule Brazil 1991 only - Feb 17 0:00 0 -
|
|
|
519 |
# <a href="http://pcdsh01.on.br/HV1991.htm">Unnumbered decree</a> (1991-09-25)
|
|
|
520 |
# adopted by RS, SC, PR, SP, RJ, ES, MG, BA, GO, MT, MS, DF.
|
|
|
521 |
Rule Brazil 1991 only - Oct 20 0:00 1:00 S
|
|
|
522 |
Rule Brazil 1992 only - Feb 9 0:00 0 -
|
|
|
523 |
# <a href="http://pcdsh01.on.br/HV1992.htm">Unnumbered decree</a> (1992-10-16)
|
|
|
524 |
# adopted by same states.
|
|
|
525 |
Rule Brazil 1992 only - Oct 25 0:00 1:00 S
|
|
|
526 |
Rule Brazil 1993 only - Jan 31 0:00 0 -
|
|
|
527 |
# Decree <a href="http://pcdsh01.on.br/HV942.htm">942</a> (1993-09-28)
|
|
|
528 |
# adopted by same states, plus AM.
|
|
|
529 |
# Decree <a href="http://pcdsh01.on.br/HV1252.htm">1,252</a> (1994-09-22;
|
|
|
530 |
# web page corrected 2004-01-07) adopted by same states, minus AM.
|
|
|
531 |
# Decree <a href="http://pcdsh01.on.br/HV1636.htm">1,636</a> (1995-09-14)
|
|
|
532 |
# adopted by same states, plus MT and TO.
|
|
|
533 |
# Decree <a href="http://pcdsh01.on.br/HV1674.htm">1,674</a> (1995-10-13)
|
|
|
534 |
# adds AL, SE.
|
|
|
535 |
Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 S
|
|
|
536 |
Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 -
|
|
|
537 |
Rule Brazil 1996 only - Feb 11 0:00 0 -
|
|
|
538 |
# Decree <a href="http://pcdsh01.on.br/HV2000.htm">2,000</a> (1996-09-04)
|
|
|
539 |
# adopted by same states, minus AL, SE.
|
|
|
540 |
Rule Brazil 1996 only - Oct 6 0:00 1:00 S
|
|
|
541 |
Rule Brazil 1997 only - Feb 16 0:00 0 -
|
|
|
542 |
# From Daniel C. Sobral (1998-02-12):
|
|
|
543 |
# In 1997, the DS began on October 6. The stated reason was that
|
|
|
544 |
# because international television networks ignored Brazil's policy on DS,
|
|
|
545 |
# they bought the wrong times on satellite for coverage of Pope's visit.
|
|
|
546 |
# This year, the ending date of DS was postponed to March 1
|
|
|
547 |
# to help dealing with the shortages of electric power.
|
|
|
548 |
#
|
|
|
549 |
# Decree 2,317 (1997-09-04), adopted by same states.
|
|
|
550 |
Rule Brazil 1997 only - Oct 6 0:00 1:00 S
|
|
|
551 |
# Decree <a href="http://pcdsh01.on.br/figuras/HV2495.JPG">2,495</a>
|
|
|
552 |
# (1998-02-10)
|
|
|
553 |
Rule Brazil 1998 only - Mar 1 0:00 0 -
|
|
|
554 |
# Decree <a href="http://pcdsh01.on.br/figuras/Hv98.jpg">2,780</a> (1998-09-11)
|
|
|
555 |
# adopted by the same states as before.
|
|
|
556 |
Rule Brazil 1998 only - Oct 11 0:00 1:00 S
|
|
|
557 |
Rule Brazil 1999 only - Feb 21 0:00 0 -
|
|
|
558 |
# Decree <a href="http://pcdsh01.on.br/figuras/HV3150.gif">3,150</a>
|
|
|
559 |
# (1999-08-23) adopted by same states.
|
|
|
560 |
# Decree <a href="http://pcdsh01.on.br/DecHV99.gif">3,188</a> (1999-09-30)
|
|
|
561 |
# adds SE, AL, PB, PE, RN, CE, PI, MA and RR.
|
|
|
562 |
Rule Brazil 1999 only - Oct 3 0:00 1:00 S
|
|
|
563 |
Rule Brazil 2000 only - Feb 27 0:00 0 -
|
|
|
564 |
# Decree <a href="http://pcdsh01.on.br/DEC3592.htm">3,592</a> (2000-09-06)
|
|
|
565 |
# adopted by the same states as before.
|
|
|
566 |
# Decree <a href="http://pcdsh01.on.br/Dec3630.jpg">3,630</a> (2000-10-13)
|
|
|
567 |
# repeals DST in PE and RR, effective 2000-10-15 00:00.
|
|
|
568 |
# Decree <a href="http://pcdsh01.on.br/Dec3632.jpg">3,632</a> (2000-10-17)
|
|
|
569 |
# repeals DST in SE, AL, PB, RN, CE, PI and MA, effective 2000-10-22 00:00.
|
|
|
570 |
# Decree <a href="http://pcdsh01.on.br/figuras/HV3916.gif">3,916</a>
|
|
|
571 |
# (2001-09-13) reestablishes DST in AL, CE, MA, PB, PE, PI, RN, SE.
|
|
|
572 |
Rule Brazil 2000 2001 - Oct Sun>=8 0:00 1:00 S
|
|
|
573 |
Rule Brazil 2001 2006 - Feb Sun>=15 0:00 0 -
|
|
|
574 |
# Decree 4,399 (2002-10-01) repeals DST in AL, CE, MA, PB, PE, PI, RN, SE.
|
|
|
575 |
# <a href="http://www.presidencia.gov.br/CCIVIL/decreto/2002/D4399.htm"></a>
|
|
|
576 |
Rule Brazil 2002 only - Nov 3 0:00 1:00 S
|
|
|
577 |
# Decree 4,844 (2003-09-24; corrected 2003-09-26) repeals DST in BA, MT, TO.
|
|
|
578 |
# <a href="http://www.presidencia.gov.br/CCIVIL/decreto/2003/D4844.htm"></a>
|
|
|
579 |
Rule Brazil 2003 only - Oct 19 0:00 1:00 S
|
|
|
580 |
# Decree 5,223 (2004-10-01) reestablishes DST in MT.
|
|
|
581 |
# <a href="http://www.planalto.gov.br/ccivil_03/_Ato2004-2006/2004/Decreto/D5223.htm"></a>
|
|
|
582 |
Rule Brazil 2004 only - Nov 2 0:00 1:00 S
|
|
|
583 |
# Decree <a href="http://pcdsh01.on.br/DecHV5539.gif">5,539</a> (2005-09-19),
|
|
|
584 |
# adopted by the same states as before.
|
|
|
585 |
Rule Brazil 2005 only - Oct 16 0:00 1:00 S
|
|
|
586 |
# Decree <a href="http://pcdsh01.on.br/DecHV5920.gif">5,920</a> (2006-10-03),
|
|
|
587 |
# adopted by the same states as before.
|
|
|
588 |
Rule Brazil 2006 only - Nov 5 0:00 1:00 S
|
|
|
589 |
Rule Brazil 2007 only - Feb 25 0:00 0 -
|
|
|
590 |
# (Decree number not yet known)
|
|
|
591 |
# http://www.brasil.gov.br/noticias/ultimas_noticias/horario_verao070920/
|
|
|
592 |
# (2007-09-20) after a heads-up from Steffen Thorsen:
|
|
|
593 |
Rule Brazil 2007 max - Oct Sun>=8 0:00 1:00 S
|
|
|
594 |
Rule Brazil 2008 max - Feb Sun>=15 0:00 0 -
|
|
|
595 |
# The latest ruleset listed above says that the following states observe DST:
|
|
|
596 |
# DF, ES, GO, MG, MS, MT, PR, RJ, RS, SC, SP.
|
|
|
597 |
# For dates after mid-2008, the above rules with TO="max" are guesses
|
|
|
598 |
# and are quite possibly wrong, but are more likely than no DST at all.
|
|
|
599 |
|
|
|
600 |
|
|
|
601 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
602 |
#
|
|
|
603 |
# Fernando de Noronha (administratively part of PE)
|
|
|
604 |
Zone America/Noronha -2:09:40 - LMT 1914
|
|
|
605 |
-2:00 Brazil FN%sT 1990 Sep 17
|
|
|
606 |
-2:00 - FNT 1999 Sep 30
|
|
|
607 |
-2:00 Brazil FN%sT 2000 Oct 15
|
|
|
608 |
-2:00 - FNT 2001 Sep 13
|
|
|
609 |
-2:00 Brazil FN%sT 2002 Oct 1
|
|
|
610 |
-2:00 - FNT
|
|
|
611 |
# Other Atlantic islands have no permanent settlement.
|
|
|
612 |
# These include Trindade and Martin Vaz (administratively part of ES),
|
|
|
613 |
# Atol das Rocas (RN), and Penedos de Sao Pedro e Sao Paulo (PE).
|
|
|
614 |
# Fernando de Noronha was a separate territory from 1942-09-02 to 1989-01-01;
|
|
|
615 |
# it also included the Penedos.
|
|
|
616 |
#
|
|
|
617 |
# Amapa (AP), east Para (PA)
|
|
|
618 |
# East Para includes Belem, Maraba, Serra Norte, and Sao Felix do Xingu.
|
|
|
619 |
# The division between east and west Para is the river Xingu.
|
|
|
620 |
# In the north a very small part from the river Javary (now Jari I guess,
|
|
|
621 |
# the border with Amapa) to the Amazon, then to the Xingu.
|
|
|
622 |
Zone America/Belem -3:13:56 - LMT 1914
|
|
|
623 |
-3:00 Brazil BR%sT 1988 Sep 12
|
|
|
624 |
-3:00 - BRT
|
|
|
625 |
#
|
|
|
626 |
# Maranhao (MA), Piaui (PI), Ceara (CE), Rio Grande do Norte (RN),
|
|
|
627 |
# Paraiba (PB)
|
|
|
628 |
Zone America/Fortaleza -2:34:00 - LMT 1914
|
|
|
629 |
-3:00 Brazil BR%sT 1990 Sep 17
|
|
|
630 |
-3:00 - BRT 1999 Sep 30
|
|
|
631 |
-3:00 Brazil BR%sT 2000 Oct 22
|
|
|
632 |
-3:00 - BRT 2001 Sep 13
|
|
|
633 |
-3:00 Brazil BR%sT 2002 Oct 1
|
|
|
634 |
-3:00 - BRT
|
|
|
635 |
#
|
|
|
636 |
# Pernambuco (PE) (except Atlantic islands)
|
|
|
637 |
Zone America/Recife -2:19:36 - LMT 1914
|
|
|
638 |
-3:00 Brazil BR%sT 1990 Sep 17
|
|
|
639 |
-3:00 - BRT 1999 Sep 30
|
|
|
640 |
-3:00 Brazil BR%sT 2000 Oct 15
|
|
|
641 |
-3:00 - BRT 2001 Sep 13
|
|
|
642 |
-3:00 Brazil BR%sT 2002 Oct 1
|
|
|
643 |
-3:00 - BRT
|
|
|
644 |
#
|
|
|
645 |
# Tocantins (TO)
|
|
|
646 |
Zone America/Araguaina -3:12:48 - LMT 1914
|
|
|
647 |
-3:00 Brazil BR%sT 1990 Sep 17
|
|
|
648 |
-3:00 - BRT 1995 Sep 14
|
|
|
649 |
-3:00 Brazil BR%sT 2003 Sep 24
|
|
|
650 |
-3:00 - BRT
|
|
|
651 |
#
|
|
|
652 |
# Alagoas (AL), Sergipe (SE)
|
|
|
653 |
Zone America/Maceio -2:22:52 - LMT 1914
|
|
|
654 |
-3:00 Brazil BR%sT 1990 Sep 17
|
|
|
655 |
-3:00 - BRT 1995 Oct 13
|
|
|
656 |
-3:00 Brazil BR%sT 1996 Sep 4
|
|
|
657 |
-3:00 - BRT 1999 Sep 30
|
|
|
658 |
-3:00 Brazil BR%sT 2000 Oct 22
|
|
|
659 |
-3:00 - BRT 2001 Sep 13
|
|
|
660 |
-3:00 Brazil BR%sT 2002 Oct 1
|
|
|
661 |
-3:00 - BRT
|
|
|
662 |
#
|
|
|
663 |
# Bahia (BA)
|
|
|
664 |
# There are too many Salvadors elsewhere, so use America/Bahia instead
|
|
|
665 |
# of America/Salvador.
|
|
|
666 |
Zone America/Bahia -2:34:04 - LMT 1914
|
|
|
667 |
-3:00 Brazil BR%sT 2003 Sep 24
|
|
|
668 |
-3:00 - BRT
|
|
|
669 |
#
|
|
|
670 |
# Goias (GO), Distrito Federal (DF), Minas Gerais (MG),
|
|
|
671 |
# Espirito Santo (ES), Rio de Janeiro (RJ), Sao Paulo (SP), Parana (PR),
|
|
|
672 |
# Santa Catarina (SC), Rio Grande do Sul (RS)
|
|
|
673 |
Zone America/Sao_Paulo -3:06:28 - LMT 1914
|
|
|
674 |
-3:00 Brazil BR%sT 1963 Oct 23 00:00
|
|
|
675 |
-3:00 1:00 BRST 1964
|
|
|
676 |
-3:00 Brazil BR%sT
|
|
|
677 |
#
|
|
|
678 |
# Mato Grosso do Sul (MS)
|
|
|
679 |
Zone America/Campo_Grande -3:38:28 - LMT 1914
|
|
|
680 |
-4:00 Brazil AM%sT
|
|
|
681 |
#
|
|
|
682 |
# Mato Grosso (MT)
|
|
|
683 |
Zone America/Cuiaba -3:44:20 - LMT 1914
|
|
|
684 |
-4:00 Brazil AM%sT 2003 Sep 24
|
|
|
685 |
-4:00 - AMT 2004 Oct 1
|
|
|
686 |
-4:00 Brazil AM%sT
|
|
|
687 |
#
|
|
|
688 |
# west Para (PA), Rondonia (RO)
|
|
|
689 |
# West Para includes Altamira, Oribidos, Prainha, Oriximina, and Santarem.
|
|
|
690 |
Zone America/Porto_Velho -4:15:36 - LMT 1914
|
|
|
691 |
-4:00 Brazil AM%sT 1988 Sep 12
|
|
|
692 |
-4:00 - AMT
|
|
|
693 |
#
|
|
|
694 |
# Roraima (RR)
|
|
|
695 |
Zone America/Boa_Vista -4:02:40 - LMT 1914
|
|
|
696 |
-4:00 Brazil AM%sT 1988 Sep 12
|
|
|
697 |
-4:00 - AMT 1999 Sep 30
|
|
|
698 |
-4:00 Brazil AM%sT 2000 Oct 15
|
|
|
699 |
-4:00 - AMT
|
|
|
700 |
#
|
|
|
701 |
# east Amazonas (AM): Boca do Acre, Jutai, Manaus, Floriano Peixoto
|
|
|
702 |
# The great circle line from Tabatinga to Porto Acre divides
|
|
|
703 |
# east from west Amazonas.
|
|
|
704 |
Zone America/Manaus -4:00:04 - LMT 1914
|
|
|
705 |
-4:00 Brazil AM%sT 1988 Sep 12
|
|
|
706 |
-4:00 - AMT 1993 Sep 28
|
|
|
707 |
-4:00 Brazil AM%sT 1994 Sep 22
|
|
|
708 |
-4:00 - AMT
|
|
|
709 |
#
|
|
|
710 |
# west Amazonas (AM): Atalaia do Norte, Boca do Maoco, Benjamin Constant,
|
|
|
711 |
# Eirunepe, Envira, Ipixuna
|
|
|
712 |
Zone America/Eirunepe -4:39:28 - LMT 1914
|
|
|
713 |
-5:00 Brazil AC%sT 1988 Sep 12
|
|
|
714 |
-5:00 - ACT 1993 Sep 28
|
|
|
715 |
-5:00 Brazil AC%sT 1994 Sep 22
|
|
|
716 |
-5:00 - ACT
|
|
|
717 |
#
|
|
|
718 |
# Acre (AC)
|
|
|
719 |
Zone America/Rio_Branco -4:31:12 - LMT 1914
|
|
|
720 |
-5:00 Brazil AC%sT 1988 Sep 12
|
|
|
721 |
-5:00 - ACT
|
|
|
722 |
|
|
|
723 |
|
|
|
724 |
# Chile
|
|
|
725 |
|
|
|
726 |
# From Eduardo Krell (1995-10-19):
|
|
|
727 |
# The law says to switch to DST at midnight [24:00] on the second SATURDAY
|
|
|
728 |
# of October.... The law is the same for March and October.
|
|
|
729 |
# (1998-09-29):
|
|
|
730 |
# Because of the drought this year, the government decided to go into
|
|
|
731 |
# DST earlier (saturday 9/26 at 24:00). This is a one-time change only ...
|
|
|
732 |
# (unless there's another dry season next year, I guess).
|
|
|
733 |
|
|
|
734 |
# From Julio I. Pacheco Troncoso (1999-03-18):
|
|
|
735 |
# Because of the same drought, the government decided to end DST later,
|
|
|
736 |
# on April 3, (one-time change).
|
|
|
737 |
|
|
|
738 |
# From Oscar van Vlijmen (2006-10-08):
|
|
|
739 |
# http://www.horaoficial.cl/cambio.htm
|
|
|
740 |
|
|
|
741 |
# From Jesper Norgaard Welen (2006-10-08):
|
|
|
742 |
# I think that there are some obvious mistakes in the suggested link
|
|
|
743 |
# from Oscar van Vlijmen,... for instance entry 66 says that GMT-4
|
|
|
744 |
# ended 1990-09-12 while entry 67 only begins GMT-3 at 1990-09-15
|
|
|
745 |
# (they should have been 1990-09-15 and 1990-09-16 respectively), but
|
|
|
746 |
# anyhow it clears up some doubts too.
|
|
|
747 |
|
|
|
748 |
# From Paul Eggert (2006-12-27):
|
|
|
749 |
# The following data for Chile and America/Santiago are from
|
|
|
750 |
# <http://www.horaoficial.cl/horaof.htm> (2006-09-20), transcribed by
|
|
|
751 |
# Jesper Norgaard Welen. The data for Pacific/Easter are from Shanks
|
|
|
752 |
# & Pottenger, except with DST transitions after 1932 cloned from
|
|
|
753 |
# America/Santiago. The pre-1980 Pacific/Easter data are dubious,
|
|
|
754 |
# but we have no other source.
|
|
|
755 |
|
|
|
756 |
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
|
|
|
757 |
Rule Chile 1927 1932 - Sep 1 0:00 1:00 S
|
|
|
758 |
Rule Chile 1928 1932 - Apr 1 0:00 0 -
|
|
|
759 |
Rule Chile 1942 only - Jun 1 4:00u 0 -
|
|
|
760 |
Rule Chile 1942 only - Aug 1 5:00u 1:00 S
|
|
|
761 |
Rule Chile 1946 only - Jul 15 4:00u 1:00 S
|
|
|
762 |
Rule Chile 1946 only - Sep 1 3:00u 0:00 -
|
|
|
763 |
Rule Chile 1947 only - Apr 1 4:00u 0 -
|
|
|
764 |
Rule Chile 1968 only - Nov 3 4:00u 1:00 S
|
|
|
765 |
Rule Chile 1969 only - Mar 30 3:00u 0 -
|
|
|
766 |
Rule Chile 1969 only - Nov 23 4:00u 1:00 S
|
|
|
767 |
Rule Chile 1970 only - Mar 29 3:00u 0 -
|
|
|
768 |
Rule Chile 1971 only - Mar 14 3:00u 0 -
|
|
|
769 |
Rule Chile 1970 1972 - Oct Sun>=9 4:00u 1:00 S
|
|
|
770 |
Rule Chile 1972 1986 - Mar Sun>=9 3:00u 0 -
|
|
|
771 |
Rule Chile 1973 only - Sep 30 4:00u 1:00 S
|
|
|
772 |
Rule Chile 1974 1987 - Oct Sun>=9 4:00u 1:00 S
|
|
|
773 |
Rule Chile 1987 only - Apr 12 3:00u 0 -
|
|
|
774 |
Rule Chile 1988 1989 - Mar Sun>=9 3:00u 0 -
|
|
|
775 |
Rule Chile 1988 only - Oct Sun>=1 4:00u 1:00 S
|
|
|
776 |
Rule Chile 1989 only - Oct Sun>=9 4:00u 1:00 S
|
|
|
777 |
Rule Chile 1990 only - Mar 18 3:00u 0 -
|
|
|
778 |
Rule Chile 1990 only - Sep 16 4:00u 1:00 S
|
|
|
779 |
Rule Chile 1991 1996 - Mar Sun>=9 3:00u 0 -
|
|
|
780 |
Rule Chile 1991 1997 - Oct Sun>=9 4:00u 1:00 S
|
|
|
781 |
Rule Chile 1997 only - Mar 30 3:00u 0 -
|
|
|
782 |
Rule Chile 1998 only - Mar Sun>=9 3:00u 0 -
|
|
|
783 |
Rule Chile 1998 only - Sep 27 4:00u 1:00 S
|
|
|
784 |
Rule Chile 1999 only - Apr 4 3:00u 0 -
|
|
|
785 |
Rule Chile 1999 max - Oct Sun>=9 4:00u 1:00 S
|
|
|
786 |
Rule Chile 2000 max - Mar Sun>=9 3:00u 0 -
|
|
|
787 |
# IATA SSIM anomalies: (1992-02) says 1992-03-14;
|
|
|
788 |
# (1996-09) says 1998-03-08. Ignore these.
|
|
|
789 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
790 |
Zone America/Santiago -4:42:46 - LMT 1890
|
|
|
791 |
-4:42:46 - SMT 1910 # Santiago Mean Time
|
|
|
792 |
-5:00 - CLT 1916 Jul 1 # Chile Time
|
|
|
793 |
-4:42:46 - SMT 1918 Sep 1 # Santiago Mean Time
|
|
|
794 |
-4:00 - CLT 1919 Jul 1 # Chile Time
|
|
|
795 |
-4:42:46 - SMT 1927 Sep 1 # Santiago Mean Time
|
|
|
796 |
-5:00 Chile CL%sT 1947 May 22 # Chile Time
|
|
|
797 |
-4:00 Chile CL%sT
|
|
|
798 |
Zone Pacific/Easter -7:17:44 - LMT 1890
|
|
|
799 |
-7:17:28 - EMT 1932 Sep # Easter Mean Time
|
|
|
800 |
-7:00 Chile EAS%sT 1982 Mar 13 21:00 # Easter I Time
|
|
|
801 |
-6:00 Chile EAS%sT
|
|
|
802 |
#
|
|
|
803 |
# Sala y Gomez Island is like Pacific/Easter.
|
|
|
804 |
# Other Chilean locations, including Juan Fernandez Is, San Ambrosio,
|
|
|
805 |
# San Felix, and Antarctic bases, are like America/Santiago.
|
|
|
806 |
|
|
|
807 |
# Colombia
|
|
|
808 |
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
|
|
|
809 |
Rule CO 1992 only - May 3 0:00 1:00 S
|
|
|
810 |
Rule CO 1993 only - Apr 4 0:00 0 -
|
|
|
811 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
812 |
Zone America/Bogota -4:56:20 - LMT 1884 Mar 13
|
|
|
813 |
-4:56:20 - BMT 1914 Nov 23 # Bogota Mean Time
|
|
|
814 |
-5:00 CO CO%sT # Colombia Time
|
|
|
815 |
# Malpelo, Providencia, San Andres
|
|
|
816 |
# no information; probably like America/Bogota
|
|
|
817 |
|
|
|
818 |
# Curacao
|
|
|
819 |
#
|
|
|
820 |
# From Paul Eggert (2006-03-22):
|
|
|
821 |
# Shanks & Pottenger say that The Bottom and Philipsburg have been at
|
|
|
822 |
# -4:00 since standard time was introduced on 1912-03-02; and that
|
|
|
823 |
# Kralendijk and Rincon used Kralendijk Mean Time (-4:33:08) from
|
|
|
824 |
# 1912-02-02 to 1965-01-01. The former is dubious, since S&P also say
|
|
|
825 |
# Saba Island has been like Curacao.
|
|
|
826 |
# This all predates our 1970 cutoff, though.
|
|
|
827 |
#
|
|
|
828 |
# By July 2007 Curacao and St Maarten are planned to become
|
|
|
829 |
# associated states within the Netherlands, much like Aruba;
|
|
|
830 |
# Bonaire, Saba and St Eustatius would become directly part of the
|
|
|
831 |
# Netherlands as Kingdom Islands. This won't affect their time zones
|
|
|
832 |
# though, as far as we know.
|
|
|
833 |
#
|
|
|
834 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
835 |
Zone America/Curacao -4:35:44 - LMT 1912 Feb 12 # Willemstad
|
|
|
836 |
-4:30 - ANT 1965 # Netherlands Antilles Time
|
|
|
837 |
-4:00 - AST
|
|
|
838 |
|
|
|
839 |
# Ecuador
|
|
|
840 |
#
|
|
|
841 |
# From Paul Eggert (2007-03-04):
|
|
|
842 |
# Apparently Ecuador had a failed experiment with DST in 1992.
|
|
|
843 |
# <http://midena.gov.ec/content/view/1261/208/> (2007-02-27) and
|
|
|
844 |
# <http://www.hoy.com.ec/NoticiaNue.asp?row_id=249856> (2006-11-06) both
|
|
|
845 |
# talk about "hora Sixto". Leave this alone for now, as we have no data.
|
|
|
846 |
#
|
|
|
847 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
848 |
Zone America/Guayaquil -5:19:20 - LMT 1890
|
|
|
849 |
-5:14:00 - QMT 1931 # Quito Mean Time
|
|
|
850 |
-5:00 - ECT # Ecuador Time
|
|
|
851 |
Zone Pacific/Galapagos -5:58:24 - LMT 1931 # Puerto Baquerizo Moreno
|
|
|
852 |
-5:00 - ECT 1986
|
|
|
853 |
-6:00 - GALT # Galapagos Time
|
|
|
854 |
|
|
|
855 |
# Falklands
|
|
|
856 |
|
|
|
857 |
# From Paul Eggert (2006-03-22):
|
|
|
858 |
# Between 1990 and 2000 inclusive, Shanks & Pottenger and the IATA agree except
|
|
|
859 |
# the IATA gives 1996-09-08. Go with Shanks & Pottenger.
|
|
|
860 |
|
|
|
861 |
# From Falkland Islands Government Office, London (2001-01-22)
|
|
|
862 |
# via Jesper Norgaard:
|
|
|
863 |
# ... the clocks revert back to Local Mean Time at 2 am on Sunday 15
|
|
|
864 |
# April 2001 and advance one hour to summer time at 2 am on Sunday 2
|
|
|
865 |
# September. It is anticipated that the clocks will revert back at 2
|
|
|
866 |
# am on Sunday 21 April 2002 and advance to summer time at 2 am on
|
|
|
867 |
# Sunday 1 September.
|
|
|
868 |
|
|
|
869 |
# From Rives McDow (2001-02-13):
|
|
|
870 |
#
|
|
|
871 |
# I have communicated several times with people there, and the last
|
|
|
872 |
# time I had communications that was helpful was in 1998. Here is
|
|
|
873 |
# what was said then:
|
|
|
874 |
#
|
|
|
875 |
# "The general rule was that Stanley used daylight saving and the Camp
|
|
|
876 |
# did not. However for various reasons many people in the Camp have
|
|
|
877 |
# started to use daylight saving (known locally as 'Stanley Time')
|
|
|
878 |
# There is no rule as to who uses daylight saving - it is a matter of
|
|
|
879 |
# personal choice and so it is impossible to draw a map showing who
|
|
|
880 |
# uses it and who does not. Any list would be out of date as soon as
|
|
|
881 |
# it was produced. This year daylight saving ended on April 18/19th
|
|
|
882 |
# and started again on September 12/13th. I do not know what the rule
|
|
|
883 |
# is, but can find out if you like. We do not change at the same time
|
|
|
884 |
# as UK or Chile."
|
|
|
885 |
#
|
|
|
886 |
# I did have in my notes that the rule was "Second Saturday in Sep at
|
|
|
887 |
# 0:00 until third Saturday in Apr at 0:00". I think that this does
|
|
|
888 |
# not agree in some cases with Shanks; is this true?
|
|
|
889 |
#
|
|
|
890 |
# Also, there is no mention in the list that some areas in the
|
|
|
891 |
# Falklands do not use DST. I have found in my communications there
|
|
|
892 |
# that these areas are on the western half of East Falkland and all of
|
|
|
893 |
# West Falkland. Stanley is the only place that consistently observes
|
|
|
894 |
# DST. Again, as in other places in the world, the farmers don't like
|
|
|
895 |
# it. West Falkland is almost entirely sheep farmers.
|
|
|
896 |
#
|
|
|
897 |
# I know one lady there that keeps a list of which farm keeps DST and
|
|
|
898 |
# which doesn't each year. She runs a shop in Stanley, and says that
|
|
|
899 |
# the list changes each year. She uses it to communicate to her
|
|
|
900 |
# customers, catching them when they are home for lunch or dinner.
|
|
|
901 |
|
|
|
902 |
# From Paul Eggert (2001-03-05):
|
|
|
903 |
# For now, we'll just record the time in Stanley, since we have no
|
|
|
904 |
# better info.
|
|
|
905 |
|
|
|
906 |
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
|
|
|
907 |
Rule Falk 1937 1938 - Sep lastSun 0:00 1:00 S
|
|
|
908 |
Rule Falk 1938 1942 - Mar Sun>=19 0:00 0 -
|
|
|
909 |
Rule Falk 1939 only - Oct 1 0:00 1:00 S
|
|
|
910 |
Rule Falk 1940 1942 - Sep lastSun 0:00 1:00 S
|
|
|
911 |
Rule Falk 1943 only - Jan 1 0:00 0 -
|
|
|
912 |
Rule Falk 1983 only - Sep lastSun 0:00 1:00 S
|
|
|
913 |
Rule Falk 1984 1985 - Apr lastSun 0:00 0 -
|
|
|
914 |
Rule Falk 1984 only - Sep 16 0:00 1:00 S
|
|
|
915 |
Rule Falk 1985 2000 - Sep Sun>=9 0:00 1:00 S
|
|
|
916 |
Rule Falk 1986 2000 - Apr Sun>=16 0:00 0 -
|
|
|
917 |
Rule Falk 2001 max - Apr Sun>=15 2:00 0 -
|
|
|
918 |
Rule Falk 2001 max - Sep Sun>=1 2:00 1:00 S
|
|
|
919 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
920 |
Zone Atlantic/Stanley -3:51:24 - LMT 1890
|
|
|
921 |
-3:51:24 - SMT 1912 Mar 12 # Stanley Mean Time
|
|
|
922 |
-4:00 Falk FK%sT 1983 May # Falkland Is Time
|
|
|
923 |
-3:00 Falk FK%sT 1985 Sep 15
|
|
|
924 |
-4:00 Falk FK%sT
|
|
|
925 |
|
|
|
926 |
# French Guiana
|
|
|
927 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
928 |
Zone America/Cayenne -3:29:20 - LMT 1911 Jul
|
|
|
929 |
-4:00 - GFT 1967 Oct # French Guiana Time
|
|
|
930 |
-3:00 - GFT
|
|
|
931 |
|
|
|
932 |
# Guyana
|
|
|
933 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
934 |
Zone America/Guyana -3:52:40 - LMT 1915 Mar # Georgetown
|
|
|
935 |
-3:45 - GBGT 1966 May 26 # Br Guiana Time
|
|
|
936 |
-3:45 - GYT 1975 Jul 31 # Guyana Time
|
|
|
937 |
-3:00 - GYT 1991
|
|
|
938 |
# IATA SSIM (1996-06) says -4:00. Assume a 1991 switch.
|
|
|
939 |
-4:00 - GYT
|
|
|
940 |
|
|
|
941 |
# Paraguay
|
|
|
942 |
# From Paul Eggert (2006-03-22):
|
|
|
943 |
# Shanks & Pottenger say that spring transitions are from 01:00 -> 02:00,
|
|
|
944 |
# and autumn transitions are from 00:00 -> 23:00. Go with pre-1999
|
|
|
945 |
# editions of Shanks, and with the IATA, who say transitions occur at 00:00.
|
|
|
946 |
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
|
|
|
947 |
Rule Para 1975 1988 - Oct 1 0:00 1:00 S
|
|
|
948 |
Rule Para 1975 1978 - Mar 1 0:00 0 -
|
|
|
949 |
Rule Para 1979 1991 - Apr 1 0:00 0 -
|
|
|
950 |
Rule Para 1989 only - Oct 22 0:00 1:00 S
|
|
|
951 |
Rule Para 1990 only - Oct 1 0:00 1:00 S
|
|
|
952 |
Rule Para 1991 only - Oct 6 0:00 1:00 S
|
|
|
953 |
Rule Para 1992 only - Mar 1 0:00 0 -
|
|
|
954 |
Rule Para 1992 only - Oct 5 0:00 1:00 S
|
|
|
955 |
Rule Para 1993 only - Mar 31 0:00 0 -
|
|
|
956 |
Rule Para 1993 1995 - Oct 1 0:00 1:00 S
|
|
|
957 |
Rule Para 1994 1995 - Feb lastSun 0:00 0 -
|
|
|
958 |
Rule Para 1996 only - Mar 1 0:00 0 -
|
|
|
959 |
# IATA SSIM (2000-02) says 1999-10-10; ignore this for now.
|
|
|
960 |
# From Steffen Thorsen (2000-10-02):
|
|
|
961 |
# I have three independent reports that Paraguay changed to DST this Sunday
|
|
|
962 |
# (10-01).
|
|
|
963 |
#
|
|
|
964 |
# Translated by Gwillim Law (2001-02-27) from
|
|
|
965 |
# <a href="http://www.diarionoticias.com.py/011000/nacional/naciona1.htm">
|
|
|
966 |
# Noticias, a daily paper in Asuncion, Paraguay (2000-10-01)
|
|
|
967 |
# </a>:
|
|
|
968 |
# Starting at 0:00 today, the clock will be set forward 60 minutes, in
|
|
|
969 |
# fulfillment of Decree No. 7,273 of the Executive Power.... The time change
|
|
|
970 |
# system has been operating for several years. Formerly there was a separate
|
|
|
971 |
# decree each year; the new law has the same effect, but permanently. Every
|
|
|
972 |
# year, the time will change on the first Sunday of October; likewise, the
|
|
|
973 |
# clock will be set back on the first Sunday of March.
|
|
|
974 |
#
|
|
|
975 |
Rule Para 1996 2001 - Oct Sun>=1 0:00 1:00 S
|
|
|
976 |
# IATA SSIM (1997-09) says Mar 1; go with Shanks & Pottenger.
|
|
|
977 |
Rule Para 1997 only - Feb lastSun 0:00 0 -
|
|
|
978 |
# Shanks & Pottenger say 1999-02-28; IATA SSIM (1999-02) says 1999-02-27, but
|
|
|
979 |
# (1999-09) reports no date; go with above sources and Gerd Knops (2001-02-27).
|
|
|
980 |
Rule Para 1998 2001 - Mar Sun>=1 0:00 0 -
|
|
|
981 |
# From Rives McDow (2002-02-28):
|
|
|
982 |
# A decree was issued in Paraguay (no. 16350) on 2002-02-26 that changed the
|
|
|
983 |
# dst method to be from the first Sunday in September to the first Sunday in
|
|
|
984 |
# April.
|
|
|
985 |
Rule Para 2002 2004 - Apr Sun>=1 0:00 0 -
|
|
|
986 |
Rule Para 2002 2003 - Sep Sun>=1 0:00 1:00 S
|
|
|
987 |
#
|
|
|
988 |
# From Jesper Norgaard Welen (2005-01-02):
|
|
|
989 |
# There are several sources that claim that Paraguay made
|
|
|
990 |
# a timezone rule change in autumn 2004.
|
|
|
991 |
# From Steffen Thorsen (2005-01-05):
|
|
|
992 |
# Decree 1,867 (2004-03-05)
|
|
|
993 |
# From Carlos Raul Perasso via Jesper Norgaard Welen (2006-10-13)
|
|
|
994 |
# <http://www.presidencia.gov.py/decretos/D1867.pdf>
|
|
|
995 |
Rule Para 2004 max - Oct Sun>=15 0:00 1:00 S
|
|
|
996 |
Rule Para 2005 max - Mar Sun>=8 0:00 0 -
|
|
|
997 |
|
|
|
998 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
999 |
Zone America/Asuncion -3:50:40 - LMT 1890
|
|
|
1000 |
-3:50:40 - AMT 1931 Oct 10 # Asuncion Mean Time
|
|
|
1001 |
-4:00 - PYT 1972 Oct # Paraguay Time
|
|
|
1002 |
-3:00 - PYT 1974 Apr
|
|
|
1003 |
-4:00 Para PY%sT
|
|
|
1004 |
|
|
|
1005 |
# Peru
|
|
|
1006 |
#
|
|
|
1007 |
# <a href="news:xrGmb.39935$gA1.13896113@news4.srv.hcvlny.cv.net">
|
|
|
1008 |
# From Evelyn C. Leeper via Mark Brader (2003-10-26):</a>
|
|
|
1009 |
# When we were in Peru in 1985-1986, they apparently switched over
|
|
|
1010 |
# sometime between December 29 and January 3 while we were on the Amazon.
|
|
|
1011 |
#
|
|
|
1012 |
# From Paul Eggert (2006-03-22):
|
|
|
1013 |
# Shanks & Pottenger don't have this transition. Assume 1986 was like 1987.
|
|
|
1014 |
|
|
|
1015 |
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
|
|
|
1016 |
Rule Peru 1938 only - Jan 1 0:00 1:00 S
|
|
|
1017 |
Rule Peru 1938 only - Apr 1 0:00 0 -
|
|
|
1018 |
Rule Peru 1938 1939 - Sep lastSun 0:00 1:00 S
|
|
|
1019 |
Rule Peru 1939 1940 - Mar Sun>=24 0:00 0 -
|
|
|
1020 |
Rule Peru 1986 1987 - Jan 1 0:00 1:00 S
|
|
|
1021 |
Rule Peru 1986 1987 - Apr 1 0:00 0 -
|
|
|
1022 |
Rule Peru 1990 only - Jan 1 0:00 1:00 S
|
|
|
1023 |
Rule Peru 1990 only - Apr 1 0:00 0 -
|
|
|
1024 |
# IATA is ambiguous for 1993/1995; go with Shanks & Pottenger.
|
|
|
1025 |
Rule Peru 1994 only - Jan 1 0:00 1:00 S
|
|
|
1026 |
Rule Peru 1994 only - Apr 1 0:00 0 -
|
|
|
1027 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
1028 |
Zone America/Lima -5:08:12 - LMT 1890
|
|
|
1029 |
-5:08:36 - LMT 1908 Jul 28 # Lima Mean Time?
|
|
|
1030 |
-5:00 Peru PE%sT # Peru Time
|
|
|
1031 |
|
|
|
1032 |
# South Georgia
|
|
|
1033 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
1034 |
Zone Atlantic/South_Georgia -2:26:08 - LMT 1890 # Grytviken
|
|
|
1035 |
-2:00 - GST # South Georgia Time
|
|
|
1036 |
|
|
|
1037 |
# South Sandwich Is
|
|
|
1038 |
# uninhabited; scientific personnel have wintered
|
|
|
1039 |
|
|
|
1040 |
# Suriname
|
|
|
1041 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
1042 |
Zone America/Paramaribo -3:40:40 - LMT 1911
|
|
|
1043 |
-3:40:52 - PMT 1935 # Paramaribo Mean Time
|
|
|
1044 |
-3:40:36 - PMT 1945 Oct # The capital moved?
|
|
|
1045 |
-3:30 - NEGT 1975 Nov 20 # Dutch Guiana Time
|
|
|
1046 |
-3:30 - SRT 1984 Oct # Suriname Time
|
|
|
1047 |
-3:00 - SRT
|
|
|
1048 |
|
|
|
1049 |
# Trinidad and Tobago
|
|
|
1050 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
1051 |
Zone America/Port_of_Spain -4:06:04 - LMT 1912 Mar 2
|
|
|
1052 |
-4:00 - AST
|
|
|
1053 |
|
|
|
1054 |
# Uruguay
|
|
|
1055 |
# From Paul Eggert (1993-11-18):
|
|
|
1056 |
# Uruguay wins the prize for the strangest peacetime manipulation of the rules.
|
|
|
1057 |
# From Shanks & Pottenger:
|
|
|
1058 |
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
|
|
|
1059 |
# Whitman gives 1923 Oct 1; go with Shanks & Pottenger.
|
|
|
1060 |
Rule Uruguay 1923 only - Oct 2 0:00 0:30 HS
|
|
|
1061 |
Rule Uruguay 1924 1926 - Apr 1 0:00 0 -
|
|
|
1062 |
Rule Uruguay 1924 1925 - Oct 1 0:00 0:30 HS
|
|
|
1063 |
Rule Uruguay 1933 1935 - Oct lastSun 0:00 0:30 HS
|
|
|
1064 |
# Shanks & Pottenger give 1935 Apr 1 0:00 & 1936 Mar 30 0:00; go with Whitman.
|
|
|
1065 |
Rule Uruguay 1934 1936 - Mar Sat>=25 23:30s 0 -
|
|
|
1066 |
Rule Uruguay 1936 only - Nov 1 0:00 0:30 HS
|
|
|
1067 |
Rule Uruguay 1937 1941 - Mar lastSun 0:00 0 -
|
|
|
1068 |
# Whitman gives 1937 Oct 3; go with Shanks & Pottenger.
|
|
|
1069 |
Rule Uruguay 1937 1940 - Oct lastSun 0:00 0:30 HS
|
|
|
1070 |
# Whitman gives 1941 Oct 24 - 1942 Mar 27, 1942 Dec 14 - 1943 Apr 13,
|
|
|
1071 |
# and 1943 Apr 13 ``to present time''; go with Shanks & Pottenger.
|
|
|
1072 |
Rule Uruguay 1941 only - Aug 1 0:00 0:30 HS
|
|
|
1073 |
Rule Uruguay 1942 only - Jan 1 0:00 0 -
|
|
|
1074 |
Rule Uruguay 1942 only - Dec 14 0:00 1:00 S
|
|
|
1075 |
Rule Uruguay 1943 only - Mar 14 0:00 0 -
|
|
|
1076 |
Rule Uruguay 1959 only - May 24 0:00 1:00 S
|
|
|
1077 |
Rule Uruguay 1959 only - Nov 15 0:00 0 -
|
|
|
1078 |
Rule Uruguay 1960 only - Jan 17 0:00 1:00 S
|
|
|
1079 |
Rule Uruguay 1960 only - Mar 6 0:00 0 -
|
|
|
1080 |
Rule Uruguay 1965 1967 - Apr Sun>=1 0:00 1:00 S
|
|
|
1081 |
Rule Uruguay 1965 only - Sep 26 0:00 0 -
|
|
|
1082 |
Rule Uruguay 1966 1967 - Oct 31 0:00 0 -
|
|
|
1083 |
Rule Uruguay 1968 1970 - May 27 0:00 0:30 HS
|
|
|
1084 |
Rule Uruguay 1968 1970 - Dec 2 0:00 0 -
|
|
|
1085 |
Rule Uruguay 1972 only - Apr 24 0:00 1:00 S
|
|
|
1086 |
Rule Uruguay 1972 only - Aug 15 0:00 0 -
|
|
|
1087 |
Rule Uruguay 1974 only - Mar 10 0:00 0:30 HS
|
|
|
1088 |
Rule Uruguay 1974 only - Dec 22 0:00 1:00 S
|
|
|
1089 |
Rule Uruguay 1976 only - Oct 1 0:00 0 -
|
|
|
1090 |
Rule Uruguay 1977 only - Dec 4 0:00 1:00 S
|
|
|
1091 |
Rule Uruguay 1978 only - Apr 1 0:00 0 -
|
|
|
1092 |
Rule Uruguay 1979 only - Oct 1 0:00 1:00 S
|
|
|
1093 |
Rule Uruguay 1980 only - May 1 0:00 0 -
|
|
|
1094 |
Rule Uruguay 1987 only - Dec 14 0:00 1:00 S
|
|
|
1095 |
Rule Uruguay 1988 only - Mar 14 0:00 0 -
|
|
|
1096 |
Rule Uruguay 1988 only - Dec 11 0:00 1:00 S
|
|
|
1097 |
Rule Uruguay 1989 only - Mar 12 0:00 0 -
|
|
|
1098 |
Rule Uruguay 1989 only - Oct 29 0:00 1:00 S
|
|
|
1099 |
# Shanks & Pottenger say no DST was observed in 1990/1 and 1991/2,
|
|
|
1100 |
# and that 1992/3's DST was from 10-25 to 03-01. Go with IATA.
|
|
|
1101 |
Rule Uruguay 1990 1992 - Mar Sun>=1 0:00 0 -
|
|
|
1102 |
Rule Uruguay 1990 1991 - Oct Sun>=21 0:00 1:00 S
|
|
|
1103 |
Rule Uruguay 1992 only - Oct 18 0:00 1:00 S
|
|
|
1104 |
Rule Uruguay 1993 only - Feb 28 0:00 0 -
|
|
|
1105 |
# From Eduardo Cota (2004-09-20):
|
|
|
1106 |
# The uruguayan government has decreed a change in the local time....
|
|
|
1107 |
# http://www.presidencia.gub.uy/decretos/2004091502.htm
|
|
|
1108 |
Rule Uruguay 2004 only - Sep 19 0:00 1:00 S
|
|
|
1109 |
# From Steffen Thorsen (2005-03-11):
|
|
|
1110 |
# Uruguay's DST was scheduled to end on Sunday, 2005-03-13, but in order to
|
|
|
1111 |
# save energy ... it was postponed two weeks....
|
|
|
1112 |
# http://www.presidencia.gub.uy/_Web/noticias/2005/03/2005031005.htm
|
|
|
1113 |
Rule Uruguay 2005 only - Mar 27 2:00 0 -
|
|
|
1114 |
# From Eduardo Cota (2005-09-27):
|
|
|
1115 |
# http://www.presidencia.gub.uy/_Web/decretos/2005/09/CM%20119_09%2009%202005_00001.PDF
|
|
|
1116 |
# This means that from 2005-10-09 at 02:00 local time, until 2006-03-12 at
|
|
|
1117 |
# 02:00 local time, official time in Uruguay will be at GMT -2.
|
|
|
1118 |
Rule Uruguay 2005 only - Oct 9 2:00 1:00 S
|
|
|
1119 |
Rule Uruguay 2006 only - Mar 12 2:00 0 -
|
|
|
1120 |
# From Jesper Norgaard Welen (2006-09-06):
|
|
|
1121 |
# http://www.presidencia.gub.uy/_web/decretos/2006/09/CM%20210_08%2006%202006_00001.PDF
|
|
|
1122 |
Rule Uruguay 2006 max - Oct Sun>=1 2:00 1:00 S
|
|
|
1123 |
Rule Uruguay 2007 max - Mar Sun>=8 2:00 0 -
|
|
|
1124 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
|
|
|
1125 |
Zone America/Montevideo -3:44:44 - LMT 1898 Jun 28
|
|
|
1126 |
-3:44:44 - MMT 1920 May 1 # Montevideo MT
|
|
|
1127 |
-3:30 Uruguay UY%sT 1942 Dec 14 # Uruguay Time
|
|
|
1128 |
-3:00 Uruguay UY%sT
|
|
|
1129 |
|
|
|
1130 |
# Venezuela
|
|
|
1131 |
#
|
|
|
1132 |
# From Kiraz Janicke (2007-09-25), in
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|
1133 |
# http://www.venezuelanalysis.com/analysis/2645:
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|
1134 |
# The proposal ... involves turning the clock back half an hour from
|
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|
1135 |
# +4.00 Greenwich Mean Time (GMT), to +4.30GMT, the time zone
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|
1136 |
# Venezuela had until December 31, 1964, when the current time zone
|
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|
1137 |
# was adopted. The change was due to take place on September 17 and
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|
1138 |
# then on September 24, but has since been postponed until December
|
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|
1139 |
# 31, to allow for compliance with international organizations, such
|
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|
1140 |
# as the International Office of Weights and Measures.
|
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|
1141 |
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|
1142 |
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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|
1143 |
Zone America/Caracas -4:27:44 - LMT 1890
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|
1144 |
-4:27:40 - CMT 1912 Feb 12 # Caracas Mean Time?
|
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|
1145 |
-4:30 - VET 1965 # Venezuela Time
|
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|
1146 |
-4:00 - VET 2008
|
|
|
1147 |
-4:30 - VET
|