Branch: Tag:

2017-03-05

2017-03-05 08:07:27 by Henrik Grubbström (Grubba) <grubba@grubba.org>

Updated to 2017a.

6:   # tz@iana.org for general use in the future). For more, please see   # the file CONTRIBUTING in the tz distribution.    - # From Paul Eggert (2014-10-31): + # From Paul Eggert (2016-12-05):   #   # Unless otherwise specified, the source for data through 1990 is:   # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),   # San Diego: ACS Publications, Inc. (2003).   # Unfortunately this book contains many errors and cites no sources.   # - # Gwillim Law writes that a good source - # for recent time zone data is the International Air Transport + # Many years ago Gwillim Law wrote that a good source + # for time zone data was the International Air Transport   # Association's Standard Schedules Information Manual (IATA SSIM),   # published semiannually. Law sent in several helpful summaries   # of the IATA's data after 1990. Except where otherwise noted,
24:   # Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94.   # http://www.jstor.org/stable/1774359   # - # Earlier editions of these tables used the North American style (e.g. ARST and - # ARDT for Argentine Standard and Daylight Time), but the following quote - # suggests that it's better to use European style (e.g. ART and ARST). - # I suggest the use of _Summer time_ instead of the more cumbersome - # _daylight-saving time_. _Summer time_ seems to be in general use - # in Europe and South America. - # -- E O Cutler, _New York Times_ (1937-02-14), quoted in - # H L Mencken, _The American Language: Supplement I_ (1960), p 466 - # - # Earlier editions of these tables also used the North American style - # for time zones in Brazil, but this was incorrect, as Brazilians say - # "summer time". Reinaldo Goulart, a São Paulo businessman active in - # the railroad sector, writes (1999-07-06): - # The subject of time zones is currently a matter of discussion/debate in - # Brazil. Let's say that "the Brasília time" is considered the - # "official time" because Brasília is the capital city. - # The other three time zones are called "Brasília time "minus one" or - # "plus one" or "plus two". As far as I know there is no such - # name/designation as "Eastern Time" or "Central Time". - # So I invented the following (English-language) abbreviations for now. - # Corrections are welcome! - # std dst - # -2:00 FNT FNST Fernando de Noronha - # -3:00 BRT BRST Brasília - # -4:00 AMT AMST Amazon - # -5:00 ACT ACST Acre + # These tables use numeric abbreviations like -03 and -0330 for + # integer hour and minute UTC offsets. Although earlier editions used + # alphabetic time zone abbreviations, these abbreviations were + # invented and did not reflect common practice.      ###############################################################################   
384:   #   # So I guess a new set of rules, besides "Arg", must be made and the last   # America/Argentina/San_Luis entries should change to use these... - # - # I'm enclosing a patch that does what I say... regretfully, the San Luis - # timezone must be called "WART/WARST" even when most of the time (like, - # right now) WARST == ART... that is, since last Sunday, all the country - # is using UTC-3, but in my patch, San Luis calls it "WARST" and the rest - # of the country calls it "ART". +    # ...      # From Alexander Krivenyshev (2010-04-09):
428:   # Buenos Aires (BA), Capital Federal (CF),   Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31    -4:16:48 - CMT 1920 May # Córdoba Mean Time -  -4:00 - ART 1930 Dec -  -4:00 Arg AR%sT 1969 Oct 5 -  -3:00 Arg AR%sT 1999 Oct 3 -  -4:00 Arg AR%sT 2000 Mar 3 -  -3:00 Arg AR%sT +  -4:00 - -04 1930 Dec +  -4:00 Arg -04/-03 1969 Oct 5 +  -3:00 Arg -03/-02 1999 Oct 3 +  -4:00 Arg -04/-03 2000 Mar 3 +  -3:00 Arg -03/-02   #   # Córdoba (CB), Santa Fe (SF), Entre Ríos (ER), Corrientes (CN), Misiones (MN),   # Chaco (CC), Formosa (FM), Santiago del Estero (SE)
446:   #   Zone America/Argentina/Cordoba -4:16:48 - LMT 1894 Oct 31    -4:16:48 - CMT 1920 May -  -4:00 - ART 1930 Dec -  -4:00 Arg AR%sT 1969 Oct 5 -  -3:00 Arg AR%sT 1991 Mar 3 -  -4:00 - WART 1991 Oct 20 -  -3:00 Arg AR%sT 1999 Oct 3 -  -4:00 Arg AR%sT 2000 Mar 3 -  -3:00 Arg AR%sT +  -4:00 - -04 1930 Dec +  -4:00 Arg -04/-03 1969 Oct 5 +  -3:00 Arg -03/-02 1991 Mar 3 +  -4:00 - -04 1991 Oct 20 +  -3:00 Arg -03/-02 1999 Oct 3 +  -4:00 Arg -04/-03 2000 Mar 3 +  -3:00 Arg -03/-02   #   # Salta (SA), La Pampa (LP), Neuquén (NQ), Rio Negro (RN)   Zone America/Argentina/Salta -4:21:40 - LMT 1894 Oct 31    -4:16:48 - CMT 1920 May -  -4:00 - ART 1930 Dec -  -4:00 Arg AR%sT 1969 Oct 5 -  -3:00 Arg AR%sT 1991 Mar 3 -  -4:00 - WART 1991 Oct 20 -  -3:00 Arg AR%sT 1999 Oct 3 -  -4:00 Arg AR%sT 2000 Mar 3 -  -3:00 Arg AR%sT 2008 Oct 18 -  -3:00 - ART +  -4:00 - -04 1930 Dec +  -4:00 Arg -04/-03 1969 Oct 5 +  -3:00 Arg -03/-02 1991 Mar 3 +  -4:00 - -04 1991 Oct 20 +  -3:00 Arg -03/-02 1999 Oct 3 +  -4:00 Arg -04/-03 2000 Mar 3 +  -3:00 Arg -03/-02 2008 Oct 18 +  -3:00 - -03   #   # Tucumán (TM)   Zone America/Argentina/Tucuman -4:20:52 - LMT 1894 Oct 31    -4:16:48 - CMT 1920 May -  -4:00 - ART 1930 Dec -  -4:00 Arg AR%sT 1969 Oct 5 -  -3:00 Arg AR%sT 1991 Mar 3 -  -4:00 - WART 1991 Oct 20 -  -3:00 Arg AR%sT 1999 Oct 3 -  -4:00 Arg AR%sT 2000 Mar 3 -  -3:00 - ART 2004 Jun 1 -  -4:00 - WART 2004 Jun 13 -  -3:00 Arg AR%sT +  -4:00 - -04 1930 Dec +  -4:00 Arg -04/-03 1969 Oct 5 +  -3:00 Arg -03/-02 1991 Mar 3 +  -4:00 - -04 1991 Oct 20 +  -3:00 Arg -03/-02 1999 Oct 3 +  -4:00 Arg -04/-03 2000 Mar 3 +  -3:00 - -03 2004 Jun 1 +  -4:00 - -04 2004 Jun 13 +  -3:00 Arg -03/-02   #   # La Rioja (LR)   Zone America/Argentina/La_Rioja -4:27:24 - LMT 1894 Oct 31    -4:16:48 - CMT 1920 May -  -4:00 - ART 1930 Dec -  -4:00 Arg AR%sT 1969 Oct 5 -  -3:00 Arg AR%sT 1991 Mar 1 -  -4:00 - WART 1991 May 7 -  -3:00 Arg AR%sT 1999 Oct 3 -  -4:00 Arg AR%sT 2000 Mar 3 -  -3:00 - ART 2004 Jun 1 -  -4:00 - WART 2004 Jun 20 -  -3:00 Arg AR%sT 2008 Oct 18 -  -3:00 - ART +  -4:00 - -04 1930 Dec +  -4:00 Arg -04/-03 1969 Oct 5 +  -3:00 Arg -03/-02 1991 Mar 1 +  -4:00 - -04 1991 May 7 +  -3:00 Arg -03/-02 1999 Oct 3 +  -4:00 Arg -04/-03 2000 Mar 3 +  -3:00 - -03 2004 Jun 1 +  -4:00 - -04 2004 Jun 20 +  -3:00 Arg -03/-02 2008 Oct 18 +  -3:00 - -03   #   # San Juan (SJ)   Zone America/Argentina/San_Juan -4:34:04 - LMT 1894 Oct 31    -4:16:48 - CMT 1920 May -  -4:00 - ART 1930 Dec -  -4:00 Arg AR%sT 1969 Oct 5 -  -3:00 Arg AR%sT 1991 Mar 1 -  -4:00 - WART 1991 May 7 -  -3:00 Arg AR%sT 1999 Oct 3 -  -4:00 Arg AR%sT 2000 Mar 3 -  -3:00 - ART 2004 May 31 -  -4:00 - WART 2004 Jul 25 -  -3:00 Arg AR%sT 2008 Oct 18 -  -3:00 - ART +  -4:00 - -04 1930 Dec +  -4:00 Arg -04/-03 1969 Oct 5 +  -3:00 Arg -03/-02 1991 Mar 1 +  -4:00 - -04 1991 May 7 +  -3:00 Arg -03/-02 1999 Oct 3 +  -4:00 Arg -04/-03 2000 Mar 3 +  -3:00 - -03 2004 May 31 +  -4:00 - -04 2004 Jul 25 +  -3:00 Arg -03/-02 2008 Oct 18 +  -3:00 - -03   #   # Jujuy (JY)   Zone America/Argentina/Jujuy -4:21:12 - LMT 1894 Oct 31    -4:16:48 - CMT 1920 May -  -4:00 - ART 1930 Dec -  -4:00 Arg AR%sT 1969 Oct 5 -  -3:00 Arg AR%sT 1990 Mar 4 -  -4:00 - WART 1990 Oct 28 -  -4:00 1:00 WARST 1991 Mar 17 -  -4:00 - WART 1991 Oct 6 -  -3:00 1:00 ARST 1992 -  -3:00 Arg AR%sT 1999 Oct 3 -  -4:00 Arg AR%sT 2000 Mar 3 -  -3:00 Arg AR%sT 2008 Oct 18 -  -3:00 - ART +  -4:00 - -04 1930 Dec +  -4:00 Arg -04/-03 1969 Oct 5 +  -3:00 Arg -03/-02 1990 Mar 4 +  -4:00 - -04 1990 Oct 28 +  -4:00 1:00 -03 1991 Mar 17 +  -4:00 - -04 1991 Oct 6 +  -3:00 1:00 -02 1992 +  -3:00 Arg -03/-02 1999 Oct 3 +  -4:00 Arg -04/-03 2000 Mar 3 +  -3:00 Arg -03/-02 2008 Oct 18 +  -3:00 - -03   #   # Catamarca (CT), Chubut (CH)   Zone America/Argentina/Catamarca -4:23:08 - LMT 1894 Oct 31    -4:16:48 - CMT 1920 May -  -4:00 - ART 1930 Dec -  -4:00 Arg AR%sT 1969 Oct 5 -  -3:00 Arg AR%sT 1991 Mar 3 -  -4:00 - WART 1991 Oct 20 -  -3:00 Arg AR%sT 1999 Oct 3 -  -4:00 Arg AR%sT 2000 Mar 3 -  -3:00 - ART 2004 Jun 1 -  -4:00 - WART 2004 Jun 20 -  -3:00 Arg AR%sT 2008 Oct 18 -  -3:00 - ART +  -4:00 - -04 1930 Dec +  -4:00 Arg -04/-03 1969 Oct 5 +  -3:00 Arg -03/-02 1991 Mar 3 +  -4:00 - -04 1991 Oct 20 +  -3:00 Arg -03/-02 1999 Oct 3 +  -4:00 Arg -04/-03 2000 Mar 3 +  -3:00 - -03 2004 Jun 1 +  -4:00 - -04 2004 Jun 20 +  -3:00 Arg -03/-02 2008 Oct 18 +  -3:00 - -03   #   # Mendoza (MZ)   Zone America/Argentina/Mendoza -4:35:16 - LMT 1894 Oct 31    -4:16:48 - CMT 1920 May -  -4:00 - ART 1930 Dec -  -4:00 Arg AR%sT 1969 Oct 5 -  -3:00 Arg AR%sT 1990 Mar 4 -  -4:00 - WART 1990 Oct 15 -  -4:00 1:00 WARST 1991 Mar 1 -  -4:00 - WART 1991 Oct 15 -  -4:00 1:00 WARST 1992 Mar 1 -  -4:00 - WART 1992 Oct 18 -  -3:00 Arg AR%sT 1999 Oct 3 -  -4:00 Arg AR%sT 2000 Mar 3 -  -3:00 - ART 2004 May 23 -  -4:00 - WART 2004 Sep 26 -  -3:00 Arg AR%sT 2008 Oct 18 -  -3:00 - ART +  -4:00 - -04 1930 Dec +  -4:00 Arg -04/-03 1969 Oct 5 +  -3:00 Arg -03/-02 1990 Mar 4 +  -4:00 - -04 1990 Oct 15 +  -4:00 1:00 -03 1991 Mar 1 +  -4:00 - -04 1991 Oct 15 +  -4:00 1:00 -03 1992 Mar 1 +  -4:00 - -04 1992 Oct 18 +  -3:00 Arg -03/-02 1999 Oct 3 +  -4:00 Arg -04/-03 2000 Mar 3 +  -3:00 - -03 2004 May 23 +  -4:00 - -04 2004 Sep 26 +  -3:00 Arg -03/-02 2008 Oct 18 +  -3:00 - -03   #   # San Luis (SL)   
561:      Zone America/Argentina/San_Luis -4:25:24 - LMT 1894 Oct 31    -4:16:48 - CMT 1920 May -  -4:00 - ART 1930 Dec -  -4:00 Arg AR%sT 1969 Oct 5 -  -3:00 Arg AR%sT 1990 -  -3:00 1:00 ARST 1990 Mar 14 -  -4:00 - WART 1990 Oct 15 -  -4:00 1:00 WARST 1991 Mar 1 -  -4:00 - WART 1991 Jun 1 -  -3:00 - ART 1999 Oct 3 -  -4:00 1:00 WARST 2000 Mar 3 -  -3:00 - ART 2004 May 31 -  -4:00 - WART 2004 Jul 25 -  -3:00 Arg AR%sT 2008 Jan 21 -  -4:00 SanLuis WAR%sT 2009 Oct 11 -  -3:00 - ART +  -4:00 - -04 1930 Dec +  -4:00 Arg -04/-03 1969 Oct 5 +  -3:00 Arg -03/-02 1990 +  -3:00 1:00 -02 1990 Mar 14 +  -4:00 - -04 1990 Oct 15 +  -4:00 1:00 -03 1991 Mar 1 +  -4:00 - -04 1991 Jun 1 +  -3:00 - -03 1999 Oct 3 +  -4:00 1:00 -03 2000 Mar 3 +  -3:00 - -03 2004 May 31 +  -4:00 - -04 2004 Jul 25 +  -3:00 Arg -03/-02 2008 Jan 21 +  -4:00 SanLuis -04/-03 2009 Oct 11 +  -3:00 - -03   #   # Santa Cruz (SC)   Zone America/Argentina/Rio_Gallegos -4:36:52 - LMT 1894 Oct 31 -  -4:16:48 - CMT 1920 May # Córdoba Mean Time -  -4:00 - ART 1930 Dec -  -4:00 Arg AR%sT 1969 Oct 5 -  -3:00 Arg AR%sT 1999 Oct 3 -  -4:00 Arg AR%sT 2000 Mar 3 -  -3:00 - ART 2004 Jun 1 -  -4:00 - WART 2004 Jun 20 -  -3:00 Arg AR%sT 2008 Oct 18 -  -3:00 - ART +  -4:16:48 - CMT 1920 May +  -4:00 - -04 1930 Dec +  -4:00 Arg -04/-03 1969 Oct 5 +  -3:00 Arg -03/-02 1999 Oct 3 +  -4:00 Arg -04/-03 2000 Mar 3 +  -3:00 - -03 2004 Jun 1 +  -4:00 - -04 2004 Jun 20 +  -3:00 Arg -03/-02 2008 Oct 18 +  -3:00 - -03   #   # Tierra del Fuego, Antártida e Islas del Atlántico Sur (TF)   Zone America/Argentina/Ushuaia -4:33:12 - LMT 1894 Oct 31 -  -4:16:48 - CMT 1920 May # Córdoba Mean Time -  -4:00 - ART 1930 Dec -  -4:00 Arg AR%sT 1969 Oct 5 -  -3:00 Arg AR%sT 1999 Oct 3 -  -4:00 Arg AR%sT 2000 Mar 3 -  -3:00 - ART 2004 May 30 -  -4:00 - WART 2004 Jun 20 -  -3:00 Arg AR%sT 2008 Oct 18 -  -3:00 - ART +  -4:16:48 - CMT 1920 May +  -4:00 - -04 1930 Dec +  -4:00 Arg -04/-03 1969 Oct 5 +  -3:00 Arg -03/-02 1999 Oct 3 +  -4:00 Arg -04/-03 2000 Mar 3 +  -3:00 - -03 2004 May 30 +  -4:00 - -04 2004 Jun 20 +  -3:00 Arg -03/-02 2008 Oct 18 +  -3:00 - -03      # Aruba   Link America/Curacao America/Aruba
608:   Zone America/La_Paz -4:32:36 - LMT 1890    -4:32:36 - CMT 1931 Oct 15 # Calamarca MT    -4:32:36 1:00 BOST 1932 Mar 21 # Bolivia ST -  -4:00 - BOT # Bolivia Time +  -4:00 - -04      # Brazil   
960:   #   # Fernando de Noronha (administratively part of PE)   Zone America/Noronha -2:09:40 - LMT 1914 -  -2:00 Brazil FN%sT 1990 Sep 17 -  -2:00 - FNT 1999 Sep 30 -  -2:00 Brazil FN%sT 2000 Oct 15 -  -2:00 - FNT 2001 Sep 13 -  -2:00 Brazil FN%sT 2002 Oct 1 -  -2:00 - FNT +  -2:00 Brazil -02/-01 1990 Sep 17 +  -2:00 - -02 1999 Sep 30 +  -2:00 Brazil -02/-01 2000 Oct 15 +  -2:00 - -02 2001 Sep 13 +  -2:00 Brazil -02/-01 2002 Oct 1 +  -2:00 - -02   # Other Atlantic islands have no permanent settlement.   # These include Trindade and Martim Vaz (administratively part of ES),   # Rocas Atoll (RN), and the St Peter and St Paul Archipelago (PE).
978:   # In the north a very small part from the river Javary (now Jari I guess,   # the border with Amapá) to the Amazon, then to the Xingu.   Zone America/Belem -3:13:56 - LMT 1914 -  -3:00 Brazil BR%sT 1988 Sep 12 -  -3:00 - BRT +  -3:00 Brazil -03/-02 1988 Sep 12 +  -3:00 - -03   #   # west Pará (PA)   # West Pará includes Altamira, Óbidos, Prainha, Oriximiná, and Santarém.   Zone America/Santarem -3:38:48 - LMT 1914 -  -4:00 Brazil AM%sT 1988 Sep 12 -  -4:00 - AMT 2008 Jun 24 0:00 -  -3:00 - BRT +  -4:00 Brazil -04/-03 1988 Sep 12 +  -4:00 - -04 2008 Jun 24 0:00 +  -3:00 - -03   #   # Maranhão (MA), Piauí (PI), Ceará (CE), Rio Grande do Norte (RN),   # Paraíba (PB)   Zone America/Fortaleza -2:34:00 - LMT 1914 -  -3:00 Brazil BR%sT 1990 Sep 17 -  -3:00 - BRT 1999 Sep 30 -  -3:00 Brazil BR%sT 2000 Oct 22 -  -3:00 - BRT 2001 Sep 13 -  -3:00 Brazil BR%sT 2002 Oct 1 -  -3:00 - BRT +  -3:00 Brazil -03/-02 1990 Sep 17 +  -3:00 - -03 1999 Sep 30 +  -3:00 Brazil -03/-02 2000 Oct 22 +  -3:00 - -03 2001 Sep 13 +  -3:00 Brazil -03/-02 2002 Oct 1 +  -3:00 - -03   #   # Pernambuco (PE) (except Atlantic islands)   Zone America/Recife -2:19:36 - LMT 1914 -  -3:00 Brazil BR%sT 1990 Sep 17 -  -3:00 - BRT 1999 Sep 30 -  -3:00 Brazil BR%sT 2000 Oct 15 -  -3:00 - BRT 2001 Sep 13 -  -3:00 Brazil BR%sT 2002 Oct 1 -  -3:00 - BRT +  -3:00 Brazil -03/-02 1990 Sep 17 +  -3:00 - -03 1999 Sep 30 +  -3:00 Brazil -03/-02 2000 Oct 15 +  -3:00 - -03 2001 Sep 13 +  -3:00 Brazil -03/-02 2002 Oct 1 +  -3:00 - -03   #   # Tocantins (TO)   Zone America/Araguaina -3:12:48 - LMT 1914 -  -3:00 Brazil BR%sT 1990 Sep 17 -  -3:00 - BRT 1995 Sep 14 -  -3:00 Brazil BR%sT 2003 Sep 24 -  -3:00 - BRT 2012 Oct 21 -  -3:00 Brazil BR%sT 2013 Sep -  -3:00 - BRT +  -3:00 Brazil -03/-02 1990 Sep 17 +  -3:00 - -03 1995 Sep 14 +  -3:00 Brazil -03/-02 2003 Sep 24 +  -3:00 - -03 2012 Oct 21 +  -3:00 Brazil -03/-02 2013 Sep +  -3:00 - -03   #   # Alagoas (AL), Sergipe (SE)   Zone America/Maceio -2:22:52 - LMT 1914 -  -3:00 Brazil BR%sT 1990 Sep 17 -  -3:00 - BRT 1995 Oct 13 -  -3:00 Brazil BR%sT 1996 Sep 4 -  -3:00 - BRT 1999 Sep 30 -  -3:00 Brazil BR%sT 2000 Oct 22 -  -3:00 - BRT 2001 Sep 13 -  -3:00 Brazil BR%sT 2002 Oct 1 -  -3:00 - BRT +  -3:00 Brazil -03/-02 1990 Sep 17 +  -3:00 - -03 1995 Oct 13 +  -3:00 Brazil -03/-02 1996 Sep 4 +  -3:00 - -03 1999 Sep 30 +  -3:00 Brazil -03/-02 2000 Oct 22 +  -3:00 - -03 2001 Sep 13 +  -3:00 Brazil -03/-02 2002 Oct 1 +  -3:00 - -03   #   # Bahia (BA)   # There are too many Salvadors elsewhere, so use America/Bahia instead   # of America/Salvador.   Zone America/Bahia -2:34:04 - LMT 1914 -  -3:00 Brazil BR%sT 2003 Sep 24 -  -3:00 - BRT 2011 Oct 16 -  -3:00 Brazil BR%sT 2012 Oct 21 -  -3:00 - BRT +  -3:00 Brazil -03/-02 2003 Sep 24 +  -3:00 - -03 2011 Oct 16 +  -3:00 Brazil -03/-02 2012 Oct 21 +  -3:00 - -03   #   # Goiás (GO), Distrito Federal (DF), Minas Gerais (MG),   # Espírito Santo (ES), Rio de Janeiro (RJ), São Paulo (SP), Paraná (PR),   # Santa Catarina (SC), Rio Grande do Sul (RS)   Zone America/Sao_Paulo -3:06:28 - LMT 1914 -  -3:00 Brazil BR%sT 1963 Oct 23 0:00 -  -3:00 1:00 BRST 1964 -  -3:00 Brazil BR%sT +  -3:00 Brazil -03/-02 1963 Oct 23 0:00 +  -3:00 1:00 -02 1964 +  -3:00 Brazil -03/-02   #   # Mato Grosso do Sul (MS)   Zone America/Campo_Grande -3:38:28 - LMT 1914 -  -4:00 Brazil AM%sT +  -4:00 Brazil -04/-03   #   # Mato Grosso (MT)   Zone America/Cuiaba -3:44:20 - LMT 1914 -  -4:00 Brazil AM%sT 2003 Sep 24 -  -4:00 - AMT 2004 Oct 1 -  -4:00 Brazil AM%sT +  -4:00 Brazil -04/-03 2003 Sep 24 +  -4:00 - -04 2004 Oct 1 +  -4:00 Brazil -04/-03   #   # Rondônia (RO)   Zone America/Porto_Velho -4:15:36 - LMT 1914 -  -4:00 Brazil AM%sT 1988 Sep 12 -  -4:00 - AMT +  -4:00 Brazil -04/-03 1988 Sep 12 +  -4:00 - -04   #   # Roraima (RR)   Zone America/Boa_Vista -4:02:40 - LMT 1914 -  -4:00 Brazil AM%sT 1988 Sep 12 -  -4:00 - AMT 1999 Sep 30 -  -4:00 Brazil AM%sT 2000 Oct 15 -  -4:00 - AMT +  -4:00 Brazil -04/-03 1988 Sep 12 +  -4:00 - -04 1999 Sep 30 +  -4:00 Brazil -04/-03 2000 Oct 15 +  -4:00 - -04   #   # east Amazonas (AM): Boca do Acre, Jutaí, Manaus, Floriano Peixoto   # The great circle line from Tabatinga to Porto Acre divides   # east from west Amazonas.   Zone America/Manaus -4:00:04 - LMT 1914 -  -4:00 Brazil AM%sT 1988 Sep 12 -  -4:00 - AMT 1993 Sep 28 -  -4:00 Brazil AM%sT 1994 Sep 22 -  -4:00 - AMT +  -4:00 Brazil -04/-03 1988 Sep 12 +  -4:00 - -04 1993 Sep 28 +  -4:00 Brazil -04/-03 1994 Sep 22 +  -4:00 - -04   #   # west Amazonas (AM): Atalaia do Norte, Boca do Maoco, Benjamin Constant,   # Eirunepé, Envira, Ipixuna   Zone America/Eirunepe -4:39:28 - LMT 1914 -  -5:00 Brazil AC%sT 1988 Sep 12 -  -5:00 - ACT 1993 Sep 28 -  -5:00 Brazil AC%sT 1994 Sep 22 -  -5:00 - ACT 2008 Jun 24 0:00 -  -4:00 - AMT 2013 Nov 10 -  -5:00 - ACT +  -5:00 Brazil -05/-04 1988 Sep 12 +  -5:00 - -05 1993 Sep 28 +  -5:00 Brazil -05/-04 1994 Sep 22 +  -5:00 - -05 2008 Jun 24 0:00 +  -4:00 - -04 2013 Nov 10 +  -5:00 - -05   #   # Acre (AC)   Zone America/Rio_Branco -4:31:12 - LMT 1914 -  -5:00 Brazil AC%sT 1988 Sep 12 -  -5:00 - ACT 2008 Jun 24 0:00 -  -4:00 - AMT 2013 Nov 10 -  -5:00 - ACT +  -5:00 Brazil -05/-04 1988 Sep 12 +  -5:00 - -05 2008 Jun 24 0:00 +  -4:00 - -04 2013 Nov 10 +  -5:00 - -05      # Chile   
1235:   # to mean 24:00 mainland time, not 24:00 local time, so that Easter   # Island is always two hours behind the mainland.    + # From Juan Correa (2016-12-04): + # Magallanes region ... will keep DST (UTC -3) all year round.... + # http://www.soychile.cl/Santiago/Sociedad/2016/12/04/433428/Bachelet-firmo-el-decreto-para-establecer-un-horario-unico-para-la-Region-de-Magallanes.aspx + # + # From Deborah Goldsmith (2017-01-19): + # http://www.diariooficial.interior.gob.cl/publicaciones/2017/01/17/41660/01/1169626.pdf + # From Paul Eggert (2017-01-19): + # The above says the Magallanes change expires 2019-05-11 at 24:00, + # so in theory, they will revert to -04/-03 after that, which means + # they will switch from -03 to -04 one hour after Santiago does that day. + # For now, assume that they will not revert. +    # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S   Rule Chile 1927 1931 - Sep 1 0:00 1:00 S   Rule Chile 1928 1932 - Apr 1 0:00 0 -
1275:   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone America/Santiago -4:42:46 - LMT 1890    -4:42:46 - SMT 1910 Jan 10 # Santiago Mean Time -  -5:00 - CLT 1916 Jul 1 # Chile Time +  -5:00 - -05 1916 Jul 1    -4:42:46 - SMT 1918 Sep 10 -  -4:00 - CLT 1919 Jul 1 +  -4:00 - -04 1919 Jul 1    -4:42:46 - SMT 1927 Sep 1 -  -5:00 Chile CL%sT 1932 Sep 1 -  -4:00 - CLT 1942 Jun 1 -  -5:00 - CLT 1942 Aug 1 -  -4:00 - CLT 1946 Jul 15 -  -4:00 1:00 CLST 1946 Sep 1 # central Chile -  -4:00 - CLT 1947 Apr 1 -  -5:00 - CLT 1947 May 21 23:00 -  -4:00 Chile CL%sT +  -5:00 Chile -05/-04 1932 Sep 1 +  -4:00 - -04 1942 Jun 1 +  -5:00 - -05 1942 Aug 1 +  -4:00 - -04 1946 Jul 15 +  -4:00 1:00 -03 1946 Sep 1 # central Chile +  -4:00 - -04 1947 Apr 1 +  -5:00 - -05 1947 May 21 23:00 +  -4:00 Chile -04/-03 + Zone America/Punta_Arenas -4:43:40 - LMT 1890 +  -4:42:46 - SMT 1910 Jan 10 +  -5:00 - -05 1916 Jul 1 +  -4:42:46 - SMT 1918 Sep 10 +  -4:00 - -04 1919 Jul 1 +  -4:42:46 - SMT 1927 Sep 1 +  -5:00 Chile -05/-04 1932 Sep 1 +  -4:00 - -04 1942 Jun 1 +  -5:00 - -05 1942 Aug 1 +  -4:00 - -04 1947 Apr 1 +  -5:00 - -05 1947 May 21 23:00 +  -4:00 Chile -04/-03 2016 Dec 4 +  -3:00 - -03   Zone Pacific/Easter -7:17:28 - LMT 1890    -7:17:28 - EMT 1932 Sep # Easter Mean Time -  -7:00 Chile EAS%sT 1982 Mar 14 3:00u # Easter Time -  -6:00 Chile EAS%sT +  -7:00 Chile -07/-06 1982 Mar 14 3:00u # Easter Time +  -6:00 Chile -06/-05   #   # Salas y Gómez Island is uninhabited.   # Other Chilean locations, including Juan Fernández Is, Desventuradas Is,
1310:   #   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone Antarctica/Palmer 0 - -00 1965 -  -4:00 Arg AR%sT 1969 Oct 5 -  -3:00 Arg AR%sT 1982 May -  -4:00 Chile CL%sT +  -4:00 Arg -04/-03 1969 Oct 5 +  -3:00 Arg -03/-02 1982 May +  -4:00 Chile -04/-03 2016 Dec 4 +  -3:00 - -03      # Colombia   
1325:   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone America/Bogota -4:56:16 - LMT 1884 Mar 13    -4:56:16 - BMT 1914 Nov 23 # Bogotá Mean Time -  -5:00 CO CO%sT # Colombia Time +  -5:00 CO -05/-04   # Malpelo, Providencia, San Andres   # no information; probably like America/Bogota   
1349:   #   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone America/Curacao -4:35:47 - LMT 1912 Feb 12 # Willemstad -  -4:30 - ANT 1965 # Netherlands Antilles Time +  -4:30 - -0430 1965    -4:00 - AST      # From Arthur David Olson (2011-06-15):
1364:   #   # Milne says the Central and South American Telegraph Company used -5:24:15.   # - # From Paul Eggert (2007-03-04): - # Apparently Ecuador had a failed experiment with DST in 1992. - # <http://midena.gov.ec/content/view/1261/208/> (2007-02-27) and - # <http://www.hoy.com.ec/NoticiaNue.asp?row_id=249856> (2006-11-06) both - # talk about "hora Sixto". Leave this alone for now, as we have no data. + # From Alois Treindl (2016-12-15): + # http://www.elcomercio.com/actualidad/hora-sixto-1993.html + # ... Whether the law applied also to Galápagos, I do not know. + # From Paul Eggert (2016-12-15): + # http://www.elcomercio.com/afull/modificacion-husohorario-ecuador-presidentes-decreto.html + # This says President Sixto Durán Ballén signed decree No. 285, which + # established DST from 1992-11-28 to 1993-02-05; it does not give transition + # times. The people called it "hora de Sixto" ("Sixto hour"). The change did + # not go over well; a popular song "Qué hora es" by Jaime Guevara had lyrics + # that included "Amanecía en mitad de la noche, los guaguas iban a clase sin + # sol" ("It was dawning in the middle of the night, the buses went to class + # without sun"). Although Ballén's campaign slogan was "Ni un paso atrás" + # (Not one step back), the clocks went back in 1993 and the experiment was not + # repeated. For now, assume transitions were at 00:00 local time country-wide.   # -  + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S + Rule Ecuador 1992 only - Nov 28 0:00 1:00 S + Rule Ecuador 1993 only - Feb 5 0:00 0 - + #   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone America/Guayaquil -5:19:20 - LMT 1890    -5:14:00 - QMT 1931 # Quito Mean Time -  -5:00 - ECT # Ecuador Time +  -5:00 Ecuador -05/-04   Zone Pacific/Galapagos -5:58:24 - LMT 1931 # Puerto Baquerizo Moreno -  -5:00 - ECT 1986 -  -6:00 - GALT # Galápagos Time +  -5:00 - -05 1986 +  -6:00 Ecuador -06/-05      # Falklands   
1476:   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone Atlantic/Stanley -3:51:24 - LMT 1890    -3:51:24 - SMT 1912 Mar 12 # Stanley Mean Time -  -4:00 Falk FK%sT 1983 May # Falkland Is Time -  -3:00 Falk FK%sT 1985 Sep 15 -  -4:00 Falk FK%sT 2010 Sep 5 2:00 -  -3:00 - FKST +  -4:00 Falk -04/-03 1983 May +  -3:00 Falk -03/-02 1985 Sep 15 +  -4:00 Falk -04/-03 2010 Sep 5 2:00 +  -3:00 - -03      # French Guiana   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone America/Cayenne -3:29:20 - LMT 1911 Jul -  -4:00 - GFT 1967 Oct # French Guiana Time -  -3:00 - GFT +  -4:00 - -04 1967 Oct +  -3:00 - -03      # Guyana   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone America/Guyana -3:52:40 - LMT 1915 Mar # Georgetown -  -3:45 - GBGT 1966 May 26 # Br Guiana Time -  -3:45 - GYT 1975 Jul 31 # Guyana Time -  -3:00 - GYT 1991 +  -3:45 - -0345 1975 Jul 31 +  -3:00 - -03 1991   # IATA SSIM (1996-06) says -4:00. Assume a 1991 switch. -  -4:00 - GYT +  -4:00 - -04      # Paraguay   #
1586:   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone America/Asuncion -3:50:40 - LMT 1890    -3:50:40 - AMT 1931 Oct 10 # Asunción Mean Time -  -4:00 - PYT 1972 Oct # Paraguay Time -  -3:00 - PYT 1974 Apr -  -4:00 Para PY%sT +  -4:00 - -04 1972 Oct +  -3:00 - -03 1974 Apr +  -4:00 Para -04/-03      # Peru   #
1615:   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone America/Lima -5:08:12 - LMT 1890    -5:08:36 - LMT 1908 Jul 28 # Lima Mean Time? -  -5:00 Peru PE%sT # Peru Time +  -5:00 Peru -05/-04      # South Georgia   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone Atlantic/South_Georgia -2:26:08 - LMT 1890 # Grytviken -  -2:00 - GST # South Georgia Time +  -2:00 - -02      # South Sandwich Is   # uninhabited; scientific personnel have wintered
1630:   Zone America/Paramaribo -3:40:40 - LMT 1911    -3:40:52 - PMT 1935 # Paramaribo Mean Time    -3:40:36 - PMT 1945 Oct # The capital moved? -  -3:30 - NEGT 1975 Nov 20 # Dutch Guiana Time -  -3:30 - SRT 1984 Oct # Suriname Time -  -3:00 - SRT +  -3:30 - -0330 1984 Oct +  -3:00 - -03      # Trinidad and Tobago   # Zone NAME GMTOFF RULES FORMAT [UNTIL]
1735:   # [dated 2015-06-29; repeals Decree 311/006 dated 2006-09-04]   Rule Uruguay 2006 2014 - Oct Sun>=1 2:00 1:00 S   Rule Uruguay 2007 2015 - Mar Sun>=8 2:00 0 - - # Zone NAME GMTOFF RULES FORMAT [UNTIL] +  + # This Zone can be simplified once we assume zic %z.   Zone America/Montevideo -3:44:44 - LMT 1898 Jun 28    -3:44:44 - MMT 1920 May 1 # Montevideo MT -  -3:30 Uruguay UY%sT 1942 Dec 14 # Uruguay Time -  -3:00 Uruguay UY%sT +  -3:30 Uruguay -0330/-03 1942 Dec 14 +  -3:00 Uruguay -03/-02 1968 +  -3:00 Uruguay -03/-0230 1971 +  -3:00 Uruguay -03/-02 1974 +  -3:00 Uruguay -03/-0230 1974 Dec 22 +  -3:00 Uruguay -03/-02      # Venezuela   #
1773:   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone America/Caracas -4:27:44 - LMT 1890    -4:27:40 - CMT 1912 Feb 12 # Caracas Mean Time? -  -4:30 - VET 1965 Jan 1 0:00 # Venezuela T. -  -4:00 - VET 2007 Dec 9 3:00 -  -4:30 - VET 2016 May 1 2:30 -  -4:00 - VET +  -4:30 - -0430 1965 Jan 1 0:00 +  -4:00 - -04 2007 Dec 9 3:00 +  -4:30 - -0430 2016 May 1 2:30 +  -4:00 - -04