pike.git / lib / modules / Calendar.pmod / tzdata / southamerica

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pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:18:   # 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,   # IATA SSIM is the source for entries after 1990.   #   # For data circa 1899, a common source is:   # Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94.   # https://www.jstor.org/stable/1774359   #   # These tables use numeric abbreviations like -03 and -0330 for - # integer hour and minute UT offsets. Although earlier editions used + # integer hour and minute UTC offsets. Although earlier editions used   # alphabetic time zone abbreviations, these abbreviations were   # invented and did not reflect common practice.      ###############################################################################      ###############################################################################      # Argentina      # From Bob Devine (1988-01-28):
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:40:   # Double Summer time from 1969 to 1974. Switches at midnight.      # From U. S. Naval Observatory (1988-01-19):   # ARGENTINA 3 H BEHIND UTC      # From Hernan G. Otero (1995-06-26):   # I am sending modifications to the Argentine time zone table...   # AR was chosen because they are the ISO letters that represent Argentina.      # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule Arg 1930 only - Dec 1 0:00 1:00 - + Rule Arg 1930 only - Dec 1 0:00 1:00 S   Rule Arg 1931 only - Apr 1 0:00 0 - - Rule Arg 1931 only - Oct 15 0:00 1:00 - + Rule Arg 1931 only - Oct 15 0:00 1:00 S   Rule Arg 1932 1940 - Mar 1 0:00 0 - - Rule Arg 1932 1939 - Nov 1 0:00 1:00 - - Rule Arg 1940 only - Jul 1 0:00 1:00 - + Rule Arg 1932 1939 - Nov 1 0:00 1:00 S + Rule Arg 1940 only - Jul 1 0:00 1:00 S   Rule Arg 1941 only - Jun 15 0:00 0 - - Rule Arg 1941 only - Oct 15 0:00 1:00 - + Rule Arg 1941 only - Oct 15 0:00 1:00 S   Rule Arg 1943 only - Aug 1 0:00 0 - - Rule Arg 1943 only - Oct 15 0:00 1:00 - + Rule Arg 1943 only - Oct 15 0:00 1:00 S   Rule Arg 1946 only - Mar 1 0:00 0 - - Rule Arg 1946 only - Oct 1 0:00 1:00 - + Rule Arg 1946 only - Oct 1 0:00 1:00 S   Rule Arg 1963 only - Oct 1 0:00 0 - - Rule Arg 1963 only - Dec 15 0:00 1:00 - + Rule Arg 1963 only - Dec 15 0:00 1:00 S   Rule Arg 1964 1966 - Mar 1 0:00 0 - - Rule Arg 1964 1966 - Oct 15 0:00 1:00 - + Rule Arg 1964 1966 - Oct 15 0:00 1:00 S   Rule Arg 1967 only - Apr 2 0:00 0 - - Rule Arg 1967 1968 - Oct Sun>=1 0:00 1:00 - + Rule Arg 1967 1968 - Oct Sun>=1 0:00 1:00 S   Rule Arg 1968 1969 - Apr Sun>=1 0:00 0 - - Rule Arg 1974 only - Jan 23 0:00 1:00 - + Rule Arg 1974 only - Jan 23 0:00 1:00 S   Rule Arg 1974 only - May 1 0:00 0 - - Rule Arg 1988 only - Dec 1 0:00 1:00 - + Rule Arg 1988 only - Dec 1 0:00 1:00 S   #   # From Hernan G. Otero (1995-06-26):   # These corrections were contributed by InterSoft Argentina S.A.,   # obtaining the data from the:   # Talleres de Hidrografía Naval Argentina   # (Argentine Naval Hydrography Institute)   Rule Arg 1989 1993 - Mar Sun>=1 0:00 0 - - Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 - + Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 S   #   # From Hernan G. Otero (1995-06-26):   # From this moment on, the law that mandated the daylight saving   # time corrections was derogated and no more modifications   # to the time zones (for daylight saving) are now made.   #   # From Rives McDow (2000-01-10):   # On October 3, 1999, 0:00 local, Argentina implemented daylight savings time,   # which did not result in the switch of a time zone, as they stayed 9 hours   # from the International Date Line. - Rule Arg 1999 only - Oct Sun>=1 0:00 1:00 - + Rule Arg 1999 only - Oct Sun>=1 0:00 1:00 S   # From Paul Eggert (2007-12-28):   # DST was set to expire on March 5, not March 3, but since it was converted   # to standard time on March 3 it's more convenient for us to pretend that   # it ended on March 3.   Rule Arg 2000 only - Mar 3 0:00 0 -   #   # From Peter Gradelski via Steffen Thorsen (2000-03-01):   # We just checked with our São Paulo office and they say the government of   # Argentina decided not to become one of the countries that go on or off DST.   # So Buenos Aires should be -3 hours from GMT at all times.
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:183:   # (an official .gob.ar) under title: "Sin Cambio de Hora"   # (English: "No hour change").   #   # "Por el momento, el Gobierno Nacional resolvió no modificar la hora   # oficial, decisión que estaba en estudio para su implementación el   # domingo 18 de octubre. Desde el Ministerio de Planificación se anunció   # que la Argentina hoy, en estas condiciones meteorológicas, no necesita   # la modificación del huso horario, ya que 2009 nos encuentra con   # crecimiento en la producción y distribución energética."    - Rule Arg 2007 only - Dec 30 0:00 1:00 - + Rule Arg 2007 only - Dec 30 0:00 1:00 S   Rule Arg 2008 2009 - Mar Sun>=15 0:00 0 - - Rule Arg 2008 only - Oct Sun>=15 0:00 1:00 - + Rule Arg 2008 only - Oct Sun>=15 0:00 1:00 S      # From Mariano Absatz (2004-05-21):   # Today it was officially published that the Province of Mendoza is changing   # its timezone this winter... starting tomorrow night....   # http://www.gobernac.mendoza.gov.ar/boletin/pdf/20040521-27158-normas.pdf   # From Paul Eggert (2004-05-24):   # It's Law No. 7,210. This change is due to a public power emergency, so for   # now we'll assume it's for this year only.   # - # From Paul Eggert (2018-01-31): + # From Paul Eggert (2014-08-09):   # Hora de verano para la República Argentina   # http://buenasiembra.com.ar/esoterismo/astrologia/hora-de-verano-de-la-republica-argentina-27.html   # says that standard time in Argentina from 1894-10-31   # to 1920-05-01 was -4:16:48.25. Go with this more-precise value - # over Shanks & Pottenger. It is upward compatible with Milne, who - # says Córdoba time was -4:16:48.2. -  + # over Shanks & Pottenger.   #   # From Mariano Absatz (2004-06-05):   # These media articles from a major newspaper mostly cover the current state:   # http://www.lanacion.com.ar/04/05/27/de_604825.asp   # http://www.lanacion.com.ar/04/05/28/de_605203.asp   #   # The following eight (8) provinces pulled clocks back to UTC-04:00 at   # midnight Monday May 31st. (that is, the night between 05/31 and 06/01).   # Apparently, all nine provinces would go back to UTC-03:00 at the same   # time in October 17th.
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:376:   # http://www.eldiariodelarepublica.com/index.php?option=com_content&task=view&id=29383&Itemid=9   # or (some English translation):   # http://www.worldtimezone.com/dst_news/dst_news_argentina08.html      # From Mariano Absatz (2010-04-12):   # yes...I can confirm this...and given that San Luis keeps calling   # UTC-03:00 "summer time", we should't just let San Luis go back to "Arg"   # rules...San Luis is still using "Western ARgentina Time" and it got   # stuck on Summer daylight savings time even though the summer is over.    - # From Paul Eggert (2018-01-23): + # From Paul Eggert (2013-09-05):   # Perhaps San Luis operates on the legal fiction that it is at -04 - # with perpetual daylight saving time, but ordinary usage typically seems to + # with perpetual summer time, but ordinary usage typically seems to   # just say it's at -03; see, for example,   # https://es.wikipedia.org/wiki/Hora_oficial_argentina   # We've documented similar situations as being plain changes to   # standard time, so let's do that here too. This does not change UTC   # offsets, only tm_isdst and the time zone abbreviations. One minor   # plus is that this silences a zic complaint that there's no POSIX TZ   # setting for time stamps past 2038.    -  + # From Paul Eggert (2013-02-21): + # Milne says Córdoba time was -4:16:48.2. Round to the nearest second. +    # Zone NAME GMTOFF RULES FORMAT [UNTIL]   #   # 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 - -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
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:521:    -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)      Rule SanLuis 2008 2009 - Mar Sun>=8 0:00 0 - - Rule SanLuis 2007 2008 - Oct Sun>=8 0:00 1:00 - + Rule SanLuis 2007 2008 - Oct Sun>=8 0:00 1:00 S      Zone America/Argentina/San_Luis -4:25:24 - LMT 1894 Oct 31    -4:16:48 - CMT 1920 May    -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
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:571:    -3:00 Arg -03/-02 2008 Oct 18    -3:00 - -03      # Aruba   Link America/Curacao America/Aruba      # Bolivia   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone America/La_Paz -4:32:36 - LMT 1890    -4:32:36 - CMT 1931 Oct 15 # Calamarca MT -  -4:32:36 1:00 BST 1932 Mar 21 # Bolivia ST +  -4:32:36 1:00 BOST 1932 Mar 21 # Bolivia ST    -4:00 - -04      # Brazil      # From Paul Eggert (1993-11-18):   # The mayor of Rio recently attempted to change the time zone rules   # just in his city, in order to leave more summer time for the tourist trade.   # The rule change lasted only part of the day;   # the federal government refused to follow the city's rules, and business   # was in a chaos, so the mayor backed down that afternoon.
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:763:   # Senator Jorge Viana announced that Acre will change time zone on November 10.   # He did not specify the time of the change, nor if western parts of Amazonas   # will change as well.   #   # From Paul Eggert (2013-10-17):   # For now, assume western Amazonas will change as well.      # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S   # Decree 20,466 <http://pcdsh01.on.br/HV20466.htm> (1931-10-01)   # Decree 21,896 <http://pcdsh01.on.br/HV21896.htm> (1932-01-10) - Rule Brazil 1931 only - Oct 3 11:00 1:00 - + Rule Brazil 1931 only - Oct 3 11:00 1:00 S   Rule Brazil 1932 1933 - Apr 1 0:00 0 - - Rule Brazil 1932 only - Oct 3 0:00 1:00 - + Rule Brazil 1932 only - Oct 3 0:00 1:00 S   # Decree 23,195 <http://pcdsh01.on.br/HV23195.htm> (1933-10-10)   # revoked DST.   # Decree 27,496 <http://pcdsh01.on.br/HV27496.htm> (1949-11-24)   # Decree 27,998 <http://pcdsh01.on.br/HV27998.htm> (1950-04-13) - Rule Brazil 1949 1952 - Dec 1 0:00 1:00 - + Rule Brazil 1949 1952 - Dec 1 0:00 1:00 S   Rule Brazil 1950 only - Apr 16 1:00 0 -   Rule Brazil 1951 1952 - Apr 1 0:00 0 -   # Decree 32,308 <http://pcdsh01.on.br/HV32308.htm> (1953-02-24)   Rule Brazil 1953 only - Mar 1 0:00 0 -   # Decree 34,724 <http://pcdsh01.on.br/HV34724.htm> (1953-11-30)   # revoked DST.   # Decree 52,700 <http://pcdsh01.on.br/HV52700.htm> (1963-10-18)   # established DST from 1963-10-23 00:00 to 1964-02-29 00:00   # in SP, RJ, GB, MG, ES, due to the prolongation of the drought.   # Decree 53,071 <http://pcdsh01.on.br/HV53071.htm> (1963-12-03)   # extended the above decree to all of the national territory on 12-09. - Rule Brazil 1963 only - Dec 9 0:00 1:00 - + Rule Brazil 1963 only - Dec 9 0:00 1:00 S   # Decree 53,604 <http://pcdsh01.on.br/HV53604.htm> (1964-02-25)   # extended summer time by one day to 1964-03-01 00:00 (start of school).   Rule Brazil 1964 only - Mar 1 0:00 0 -   # Decree 55,639 <http://pcdsh01.on.br/HV55639.htm> (1965-01-27) - Rule Brazil 1965 only - Jan 31 0:00 1:00 - + Rule Brazil 1965 only - Jan 31 0:00 1:00 S   Rule Brazil 1965 only - Mar 31 0:00 0 -   # Decree 57,303 <http://pcdsh01.on.br/HV57303.htm> (1965-11-22) - Rule Brazil 1965 only - Dec 1 0:00 1:00 - + Rule Brazil 1965 only - Dec 1 0:00 1:00 S   # Decree 57,843 <http://pcdsh01.on.br/HV57843.htm> (1966-02-18)   Rule Brazil 1966 1968 - Mar 1 0:00 0 - - Rule Brazil 1966 1967 - Nov 1 0:00 1:00 - + Rule Brazil 1966 1967 - Nov 1 0:00 1:00 S   # Decree 63,429 <http://pcdsh01.on.br/HV63429.htm> (1968-10-15)   # revoked DST.   # Decree 91,698 <http://pcdsh01.on.br/HV91698.htm> (1985-09-27) - Rule Brazil 1985 only - Nov 2 0:00 1:00 - + Rule Brazil 1985 only - Nov 2 0:00 1:00 S   # Decree 92,310 (1986-01-21)   # Decree 92,463 (1986-03-13)   Rule Brazil 1986 only - Mar 15 0:00 0 -   # Decree 93,316 (1986-10-01) - Rule Brazil 1986 only - Oct 25 0:00 1:00 - + Rule Brazil 1986 only - Oct 25 0:00 1:00 S   Rule Brazil 1987 only - Feb 14 0:00 0 -   # Decree 94,922 <http://pcdsh01.on.br/HV94922.htm> (1987-09-22) - Rule Brazil 1987 only - Oct 25 0:00 1:00 - + Rule Brazil 1987 only - Oct 25 0:00 1:00 S   Rule Brazil 1988 only - Feb 7 0:00 0 -   # Decree 96,676 <http://pcdsh01.on.br/HV96676.htm> (1988-09-12)   # except for the states of AC, AM, PA, RR, RO, and AP (then a territory) - Rule Brazil 1988 only - Oct 16 0:00 1:00 - + Rule Brazil 1988 only - Oct 16 0:00 1:00 S   Rule Brazil 1989 only - Jan 29 0:00 0 -   # Decree 98,077 <http://pcdsh01.on.br/HV98077.htm> (1989-08-21)   # with the same exceptions - Rule Brazil 1989 only - Oct 15 0:00 1:00 - + Rule Brazil 1989 only - Oct 15 0:00 1:00 S   Rule Brazil 1990 only - Feb 11 0:00 0 -   # Decree 99,530 <http://pcdsh01.on.br/HV99530.htm> (1990-09-17)   # adopted by RS, SC, PR, SP, RJ, ES, MG, GO, MS, DF.   # Decree 99,629 (1990-10-19) adds BA, MT. - Rule Brazil 1990 only - Oct 21 0:00 1:00 - + Rule Brazil 1990 only - Oct 21 0:00 1:00 S   Rule Brazil 1991 only - Feb 17 0:00 0 -   # Unnumbered decree <http://pcdsh01.on.br/HV1991.htm> (1991-09-25)   # adopted by RS, SC, PR, SP, RJ, ES, MG, BA, GO, MT, MS, DF. - Rule Brazil 1991 only - Oct 20 0:00 1:00 - + Rule Brazil 1991 only - Oct 20 0:00 1:00 S   Rule Brazil 1992 only - Feb 9 0:00 0 -   # Unnumbered decree <http://pcdsh01.on.br/HV1992.htm> (1992-10-16)   # adopted by same states. - Rule Brazil 1992 only - Oct 25 0:00 1:00 - + Rule Brazil 1992 only - Oct 25 0:00 1:00 S   Rule Brazil 1993 only - Jan 31 0:00 0 -   # Decree 942 <http://pcdsh01.on.br/HV942.htm> (1993-09-28)   # adopted by same states, plus AM.   # Decree 1,252 <http://pcdsh01.on.br/HV1252.htm> (1994-09-22;   # web page corrected 2004-01-07) adopted by same states, minus AM.   # Decree 1,636 <http://pcdsh01.on.br/HV1636.htm> (1995-09-14)   # adopted by same states, plus MT and TO.   # Decree 1,674 <http://pcdsh01.on.br/HV1674.htm> (1995-10-13)   # adds AL, SE. - Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 - + Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 S   Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 -   Rule Brazil 1996 only - Feb 11 0:00 0 -   # Decree 2,000 <http://pcdsh01.on.br/HV2000.htm> (1996-09-04)   # adopted by same states, minus AL, SE. - Rule Brazil 1996 only - Oct 6 0:00 1:00 - + Rule Brazil 1996 only - Oct 6 0:00 1:00 S   Rule Brazil 1997 only - Feb 16 0:00 0 -   # From Daniel C. Sobral (1998-02-12):   # In 1997, the DS began on October 6. The stated reason was that   # because international television networks ignored Brazil's policy on DS,   # they bought the wrong times on satellite for coverage of Pope's visit.   # This year, the ending date of DS was postponed to March 1   # to help dealing with the shortages of electric power.   #   # Decree 2,317 (1997-09-04), adopted by same states. - Rule Brazil 1997 only - Oct 6 0:00 1:00 - + Rule Brazil 1997 only - Oct 6 0:00 1:00 S   # Decree 2,495 <http://pcdsh01.on.br/figuras/HV2495.JPG>   # (1998-02-10)   Rule Brazil 1998 only - Mar 1 0:00 0 -   # Decree 2,780 <http://pcdsh01.on.br/figuras/Hv98.jpg> (1998-09-11)   # adopted by the same states as before. - Rule Brazil 1998 only - Oct 11 0:00 1:00 - + Rule Brazil 1998 only - Oct 11 0:00 1:00 S   Rule Brazil 1999 only - Feb 21 0:00 0 -   # Decree 3,150 <http://pcdsh01.on.br/figuras/HV3150.gif>   # (1999-08-23) adopted by same states.   # Decree 3,188 <http://pcdsh01.on.br/DecHV99.gif> (1999-09-30)   # adds SE, AL, PB, PE, RN, CE, PI, MA and RR. - Rule Brazil 1999 only - Oct 3 0:00 1:00 - + Rule Brazil 1999 only - Oct 3 0:00 1:00 S   Rule Brazil 2000 only - Feb 27 0:00 0 -   # Decree 3,592 <http://pcdsh01.on.br/DEC3592.htm> (2000-09-06)   # adopted by the same states as before.   # Decree 3,630 <http://pcdsh01.on.br/Dec3630.jpg> (2000-10-13)   # repeals DST in PE and RR, effective 2000-10-15 00:00.   # Decree 3,632 <http://pcdsh01.on.br/Dec3632.jpg> (2000-10-17)   # repeals DST in SE, AL, PB, RN, CE, PI and MA, effective 2000-10-22 00:00.   # Decree 3,916 <http://pcdsh01.on.br/figuras/HV3916.gif>   # (2001-09-13) reestablishes DST in AL, CE, MA, PB, PE, PI, RN, SE. - Rule Brazil 2000 2001 - Oct Sun>=8 0:00 1:00 - + Rule Brazil 2000 2001 - Oct Sun>=8 0:00 1:00 S   Rule Brazil 2001 2006 - Feb Sun>=15 0:00 0 -   # Decree 4,399 (2002-10-01) repeals DST in AL, CE, MA, PB, PE, PI, RN, SE.   # 4,399 <http://www.presidencia.gov.br/CCIVIL/decreto/2002/D4399.htm> - Rule Brazil 2002 only - Nov 3 0:00 1:00 - + Rule Brazil 2002 only - Nov 3 0:00 1:00 S   # Decree 4,844 (2003-09-24; corrected 2003-09-26) repeals DST in BA, MT, TO.   # 4,844 <http://www.presidencia.gov.br/CCIVIL/decreto/2003/D4844.htm> - Rule Brazil 2003 only - Oct 19 0:00 1:00 - + Rule Brazil 2003 only - Oct 19 0:00 1:00 S   # Decree 5,223 (2004-10-01) reestablishes DST in MT.   # 5,223 <http://www.planalto.gov.br/ccivil_03/_Ato2004-2006/2004/Decreto/D5223.htm> - Rule Brazil 2004 only - Nov 2 0:00 1:00 - + Rule Brazil 2004 only - Nov 2 0:00 1:00 S   # Decree 5,539 <http://pcdsh01.on.br/DecHV5539.gif> (2005-09-19),   # adopted by the same states as before. - Rule Brazil 2005 only - Oct 16 0:00 1:00 - + Rule Brazil 2005 only - Oct 16 0:00 1:00 S   # Decree 5,920 <http://pcdsh01.on.br/DecHV5920.gif> (2006-10-03),   # adopted by the same states as before. - Rule Brazil 2006 only - Nov 5 0:00 1:00 - + Rule Brazil 2006 only - Nov 5 0:00 1:00 S   Rule Brazil 2007 only - Feb 25 0:00 0 -   # Decree 6,212 <http://pcdsh01.on.br/DecHV6212.gif> (2007-09-26),   # adopted by the same states as before. - Rule Brazil 2007 only - Oct Sun>=8 0:00 1:00 - + Rule Brazil 2007 only - Oct Sun>=8 0:00 1:00 S   # From Frederico A. C. Neves (2008-09-10):   # According to this decree   # http://www.planalto.gov.br/ccivil_03/_Ato2007-2010/2008/Decreto/D6558.htm   # [t]he DST period in Brazil now on will be from the 3rd Oct Sunday to the   # 3rd Feb Sunday. There is an exception on the return date when this is   # the Carnival Sunday then the return date will be the next Sunday... - Rule Brazil 2008 2017 - Oct Sun>=15 0:00 1:00 - + Rule Brazil 2008 max - Oct Sun>=15 0:00 1:00 S   Rule Brazil 2008 2011 - Feb Sun>=15 0:00 0 - - # Decree 7,584 <http://pcdsh01.on.br/HVdecreto7584_20111013.jpg> (2011-10-13) - # added Bahia. +    Rule Brazil 2012 only - Feb Sun>=22 0:00 0 - - # Decree 7,826 <http://pcdsh01.on.br/HVdecreto7826_20121015.jpg> (2012-10-15) - # removed Bahia and added Tocantins. - # Decree 8,112 <http://pcdsh01.on.br/HVdecreto8112_20130930.JPG> (2013-09-30) - # removed Tocantins. +    Rule Brazil 2013 2014 - Feb Sun>=15 0:00 0 -   Rule Brazil 2015 only - Feb Sun>=22 0:00 0 -   Rule Brazil 2016 2022 - Feb Sun>=15 0:00 0 - - # From Steffen Thorsen (2017-12-18): - # According to many media sources, next year's DST start in Brazil will move to - # the first Sunday of November, and it will stay like that for the years after. - # ... https://www.timeanddate.com/news/time/brazil-delays-dst-2018.html - # From Steffen Thorsen (2017-12-20): - # http://www.planalto.gov.br/ccivil_03/_ato2015-2018/2017/decreto/D9242.htm - Rule Brazil 2018 max - Nov Sun>=1 0:00 1:00 - +    Rule Brazil 2023 only - Feb Sun>=22 0:00 0 -   Rule Brazil 2024 2025 - Feb Sun>=15 0:00 0 -   Rule Brazil 2026 only - Feb Sun>=22 0:00 0 -   Rule Brazil 2027 2033 - Feb Sun>=15 0:00 0 -   Rule Brazil 2034 only - Feb Sun>=22 0:00 0 -   Rule Brazil 2035 2036 - Feb Sun>=15 0:00 0 -   Rule Brazil 2037 only - Feb Sun>=22 0:00 0 -   # From Arthur David Olson (2008-09-29):   # The next is wrong in some years but is better than nothing.   Rule Brazil 2038 max - Feb Sun>=15 0:00 0 -
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:1073:   Zone America/Rio_Branco -4:31:12 - LMT 1914    -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      # From Paul Eggert (2015-04-03):   # Shanks & Pottenger says America/Santiago introduced standard time in - # 1890 and rounds its UT offset to 70W40; guess that in practice this + # 1890 and rounds its UTC offset to 70W40; guess that in practice this   # was the same offset as in 1916-1919. It also says Pacific/Easter   # standardized on 109W22 in 1890; assume this didn't change the clocks.   #   # Dates for America/Santiago from 1910 to 2004 are primarily from   # the following source, cited by Oscar van Vlijmen (2006-10-08):   # [1] Chile Law   # http://www.webexhibits.org/daylightsaving/chile.html   # This contains a copy of this official table:   # Cambios en la hora oficial de Chile desde 1900 (retrieved 2008-03-30)   # https://web.archive.org/web/20080330200901/http://www.horaoficial.cl/cambio.htm
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:1225:   #   # 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 - + Rule Chile 1927 1931 - Sep 1 0:00 1:00 S   Rule Chile 1928 1932 - Apr 1 0:00 0 - - Rule Chile 1968 only - Nov 3 4:00u 1:00 - + Rule Chile 1968 only - Nov 3 4:00u 1:00 S   Rule Chile 1969 only - Mar 30 3:00u 0 - - Rule Chile 1969 only - Nov 23 4:00u 1:00 - + Rule Chile 1969 only - Nov 23 4:00u 1:00 S   Rule Chile 1970 only - Mar 29 3:00u 0 -   Rule Chile 1971 only - Mar 14 3:00u 0 - - Rule Chile 1970 1972 - Oct Sun>=9 4:00u 1:00 - + Rule Chile 1970 1972 - Oct Sun>=9 4:00u 1:00 S   Rule Chile 1972 1986 - Mar Sun>=9 3:00u 0 - - Rule Chile 1973 only - Sep 30 4:00u 1:00 - - Rule Chile 1974 1987 - Oct Sun>=9 4:00u 1:00 - + Rule Chile 1973 only - Sep 30 4:00u 1:00 S + Rule Chile 1974 1987 - Oct Sun>=9 4:00u 1:00 S   Rule Chile 1987 only - Apr 12 3:00u 0 -   Rule Chile 1988 1990 - Mar Sun>=9 3:00u 0 - - Rule Chile 1988 1989 - Oct Sun>=9 4:00u 1:00 - - Rule Chile 1990 only - Sep 16 4:00u 1:00 - + Rule Chile 1988 1989 - Oct Sun>=9 4:00u 1:00 S + Rule Chile 1990 only - Sep 16 4:00u 1:00 S   Rule Chile 1991 1996 - Mar Sun>=9 3:00u 0 - - Rule Chile 1991 1997 - Oct Sun>=9 4:00u 1:00 - + Rule Chile 1991 1997 - Oct Sun>=9 4:00u 1:00 S   Rule Chile 1997 only - Mar 30 3:00u 0 -   Rule Chile 1998 only - Mar Sun>=9 3:00u 0 - - Rule Chile 1998 only - Sep 27 4:00u 1:00 - + Rule Chile 1998 only - Sep 27 4:00u 1:00 S   Rule Chile 1999 only - Apr 4 3:00u 0 - - Rule Chile 1999 2010 - Oct Sun>=9 4:00u 1:00 - + Rule Chile 1999 2010 - Oct Sun>=9 4:00u 1:00 S   Rule Chile 2000 2007 - Mar Sun>=9 3:00u 0 -   # N.B.: the end of March 29 in Chile is March 30 in Universal time,   # which is used below in specifying the transition.   Rule Chile 2008 only - Mar 30 3:00u 0 -   Rule Chile 2009 only - Mar Sun>=9 3:00u 0 -   Rule Chile 2010 only - Apr Sun>=1 3:00u 0 -   Rule Chile 2011 only - May Sun>=2 3:00u 0 - - Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 - + Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 S   Rule Chile 2012 2014 - Apr Sun>=23 3:00u 0 - - Rule Chile 2012 2014 - Sep Sun>=2 4:00u 1:00 - + Rule Chile 2012 2014 - Sep Sun>=2 4:00u 1:00 S   Rule Chile 2016 max - May Sun>=9 3:00u 0 - - Rule Chile 2016 max - Aug Sun>=9 4:00u 1:00 - + Rule Chile 2016 max - Aug Sun>=9 4:00u 1:00 S   # IATA SSIM anomalies: (1992-02) says 1992-03-14;   # (1996-09) says 1998-03-08. Ignore these.   # 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 - -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
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:1323:    -3:00 Arg -03/-02 1982 May    -4:00 Chile -04/-03 2016 Dec 4    -3:00 - -03      # Colombia      # Milne gives 4:56:16.4 for Bogotá time in 1899; round to nearest. He writes,   # "A variation of fifteen minutes in the public clocks of Bogota is not rare."      # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule CO 1992 only - May 3 0:00 1:00 - + Rule CO 1992 only - May 3 0:00 1:00 S   Rule CO 1993 only - Apr 4 0:00 0 -   # 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 -05/-04   # Malpelo, Providencia, San Andres   # no information; probably like America/Bogota      # Curaçao   
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:1383:   # 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 - + 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 Ecuador -05/-04   Zone Pacific/Galapagos -5:58:24 - LMT 1931 # Puerto Baquerizo Moreno    -5:00 - -05 1986    -6:00 Ecuador -06/-05   
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:1473:   # A letter from Justin McPhee, Chief Executive,   # Cable & Wireless Falkland Islands (dated 2012-02-22)   # states...   # The current Atlantic/Stanley entry under South America expects the   # clocks to go back to standard Falklands Time (FKT) on the 15th April.   # The database entry states that in 2011 Stanley was staying on fixed   # summer time on a trial basis only. FIG need to contact IANA and/or   # the maintainers of the database to inform them we're adopting   # the same policy this year and suggest recommendations for future years.   # - # For now we will assume permanent -03 for the Falklands + # For now we will assume permanent summer time for the Falklands   # until advised differently (to apply for 2012 and beyond, after the 2011   # experiment was apparently successful.)   # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule Falk 1937 1938 - Sep lastSun 0:00 1:00 - + Rule Falk 1937 1938 - Sep lastSun 0:00 1:00 S   Rule Falk 1938 1942 - Mar Sun>=19 0:00 0 - - Rule Falk 1939 only - Oct 1 0:00 1:00 - - Rule Falk 1940 1942 - Sep lastSun 0:00 1:00 - + Rule Falk 1939 only - Oct 1 0:00 1:00 S + Rule Falk 1940 1942 - Sep lastSun 0:00 1:00 S   Rule Falk 1943 only - Jan 1 0:00 0 - - Rule Falk 1983 only - Sep lastSun 0:00 1:00 - + Rule Falk 1983 only - Sep lastSun 0:00 1:00 S   Rule Falk 1984 1985 - Apr lastSun 0:00 0 - - Rule Falk 1984 only - Sep 16 0:00 1:00 - - Rule Falk 1985 2000 - Sep Sun>=9 0:00 1:00 - + Rule Falk 1984 only - Sep 16 0:00 1:00 S + Rule Falk 1985 2000 - Sep Sun>=9 0:00 1:00 S   Rule Falk 1986 2000 - Apr Sun>=16 0:00 0 -   Rule Falk 2001 2010 - Apr Sun>=15 2:00 0 - - Rule Falk 2001 2010 - Sep Sun>=1 2:00 1:00 - + Rule Falk 2001 2010 - Sep Sun>=1 2:00 1:00 S   # 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 -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]
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:1523:   # From Paul Eggert (2006-03-22):   # Shanks & Pottenger say that spring transitions are 01:00 -> 02:00,   # and autumn transitions are 00:00 -> 23:00. Go with pre-1999   # editions of Shanks, and with the IATA, who say transitions occur at 00:00.   #   # From Waldemar Villamayor-Venialbo (2013-09-20):   # No time of the day is established for the adjustment, so people normally   # adjust their clocks at 0 hour of the given dates.   #   # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule Para 1975 1988 - Oct 1 0:00 1:00 - + Rule Para 1975 1988 - Oct 1 0:00 1:00 S   Rule Para 1975 1978 - Mar 1 0:00 0 -   Rule Para 1979 1991 - Apr 1 0:00 0 - - Rule Para 1989 only - Oct 22 0:00 1:00 - - Rule Para 1990 only - Oct 1 0:00 1:00 - - Rule Para 1991 only - Oct 6 0:00 1:00 - + Rule Para 1989 only - Oct 22 0:00 1:00 S + Rule Para 1990 only - Oct 1 0:00 1:00 S + Rule Para 1991 only - Oct 6 0:00 1:00 S   Rule Para 1992 only - Mar 1 0:00 0 - - Rule Para 1992 only - Oct 5 0:00 1:00 - + Rule Para 1992 only - Oct 5 0:00 1:00 S   Rule Para 1993 only - Mar 31 0:00 0 - - Rule Para 1993 1995 - Oct 1 0:00 1:00 - + Rule Para 1993 1995 - Oct 1 0:00 1:00 S   Rule Para 1994 1995 - Feb lastSun 0:00 0 -   Rule Para 1996 only - Mar 1 0:00 0 -   # IATA SSIM (2000-02) says 1999-10-10; ignore this for now.   # From Steffen Thorsen (2000-10-02):   # I have three independent reports that Paraguay changed to DST this Sunday   # (10-01).   #   # Translated by Gwillim Law (2001-02-27) from   # Noticias, a daily paper in Asunción, Paraguay (2000-10-01):   # http://www.diarionoticias.com.py/011000/nacional/naciona1.htm   # Starting at 0:00 today, the clock will be set forward 60 minutes, in   # fulfillment of Decree No. 7,273 of the Executive Power.... The time change   # system has been operating for several years. Formerly there was a separate   # decree each year; the new law has the same effect, but permanently. Every   # year, the time will change on the first Sunday of October; likewise, the   # clock will be set back on the first Sunday of March.   # - Rule Para 1996 2001 - Oct Sun>=1 0:00 1:00 - + Rule Para 1996 2001 - Oct Sun>=1 0:00 1:00 S   # IATA SSIM (1997-09) says Mar 1; go with Shanks & Pottenger.   Rule Para 1997 only - Feb lastSun 0:00 0 -   # Shanks & Pottenger say 1999-02-28; IATA SSIM (1999-02) says 1999-02-27, but   # (1999-09) reports no date; go with above sources and Gerd Knops (2001-02-27).   Rule Para 1998 2001 - Mar Sun>=1 0:00 0 -   # From Rives McDow (2002-02-28):   # A decree was issued in Paraguay (No. 16350) on 2002-02-26 that changed the   # dst method to be from the first Sunday in September to the first Sunday in   # April.   Rule Para 2002 2004 - Apr Sun>=1 0:00 0 - - Rule Para 2002 2003 - Sep Sun>=1 0:00 1:00 - + Rule Para 2002 2003 - Sep Sun>=1 0:00 1:00 S   #   # From Jesper Nørgaard Welen (2005-01-02):   # There are several sources that claim that Paraguay made   # a timezone rule change in autumn 2004.   # From Steffen Thorsen (2005-01-05):   # Decree 1,867 (2004-03-05)   # From Carlos Raúl Perasso via Jesper Nørgaard Welen (2006-10-13)   # http://www.presidencia.gov.py/decretos/D1867.pdf - Rule Para 2004 2009 - Oct Sun>=15 0:00 1:00 - + Rule Para 2004 2009 - Oct Sun>=15 0:00 1:00 S   Rule Para 2005 2009 - Mar Sun>=8 0:00 0 -   # From Carlos Raúl Perasso (2010-02-18):   # By decree number 3958 issued yesterday   # http://www.presidencia.gov.py/v1/wp-content/uploads/2010/02/decreto3958.pdf   # Paraguay changes its DST schedule, postponing the March rule to April and   # modifying the October date. The decree reads:   # ...   # Art. 1. It is hereby established that from the second Sunday of the month of   # April of this year (2010), the official time is to be set back 60 minutes,   # and that on the first Sunday of the month of October, it is to be set   # forward 60 minutes, in all the territory of the Paraguayan Republic.   # ... - Rule Para 2010 max - Oct Sun>=1 0:00 1:00 - + Rule Para 2010 max - Oct Sun>=1 0:00 1:00 S   Rule Para 2010 2012 - Apr Sun>=8 0:00 0 -   #   # From Steffen Thorsen (2013-03-07):   # Paraguay will end DST on 2013-03-24 00:00....   # http://www.ande.gov.py/interna.php?id=1075   #   # From Carlos Raúl Perasso (2013-03-15):   # The change in Paraguay is now final. Decree number 10780   # http://www.presidencia.gov.py/uploads/pdf/presidencia-3b86ff4b691c79d4f5927ca964922ec74772ce857c02ca054a52a37b49afc7fb.pdf   # From Carlos Raúl Perasso (2014-02-28):
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:1616:   #   # From Evelyn C. Leeper via Mark Brader (2003-10-26)   # <news:xrGmb.39935$gA1.13896113@news4.srv.hcvlny.cv.net>:   # When we were in Peru in 1985-1986, they apparently switched over   # sometime between December 29 and January 3 while we were on the Amazon.   #   # From Paul Eggert (2006-03-22):   # Shanks & Pottenger don't have this transition. Assume 1986 was like 1987.      # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule Peru 1938 only - Jan 1 0:00 1:00 - + Rule Peru 1938 only - Jan 1 0:00 1:00 S   Rule Peru 1938 only - Apr 1 0:00 0 - - Rule Peru 1938 1939 - Sep lastSun 0:00 1:00 - + Rule Peru 1938 1939 - Sep lastSun 0:00 1:00 S   Rule Peru 1939 1940 - Mar Sun>=24 0:00 0 - - Rule Peru 1986 1987 - Jan 1 0:00 1:00 - + Rule Peru 1986 1987 - Jan 1 0:00 1:00 S   Rule Peru 1986 1987 - Apr 1 0:00 0 - - Rule Peru 1990 only - Jan 1 0:00 1:00 - + Rule Peru 1990 only - Jan 1 0:00 1:00 S   Rule Peru 1990 only - Apr 1 0:00 0 -   # IATA is ambiguous for 1993/1995; go with Shanks & Pottenger. - Rule Peru 1994 only - Jan 1 0:00 1:00 - + Rule Peru 1994 only - Jan 1 0:00 1:00 S   Rule Peru 1994 only - Apr 1 0:00 0 -   # 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 -05/-04      # South Georgia   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone Atlantic/South_Georgia -2:26:08 - LMT 1890 # Grytviken    -2:00 - -02
pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:1671:   Link America/Port_of_Spain America/St_Barthelemy # St Barthélemy   Link America/Port_of_Spain America/St_Kitts # St Kitts & Nevis   Link America/Port_of_Spain America/St_Lucia   Link America/Port_of_Spain America/St_Thomas # Virgin Islands (US)   Link America/Port_of_Spain America/St_Vincent   Link America/Port_of_Spain America/Tortola # Virgin Islands (UK)      # Uruguay   # From Paul Eggert (1993-11-18):   # Uruguay wins the prize for the strangest peacetime manipulation of the rules. - # - # From Tim Parenti (2018-02-20), per Jeremie Bonjour (2018-01-31) and Michael - # Deckers (2018-02-20): - # ... At least they kept good records... - # - # http://www.armada.mil.uy/ContenidosPDFs/sohma/web/almanaque/almanaque_2018.pdf#page=36 - # Page 36 of Almanaque 2018, published by the Oceanography, Hydrography, and - # Meteorology Service of the Uruguayan Navy, seems to give many transitions - # with greater clarity than we've had before. It directly references many laws - # and decrees which are, in turn, referenced below. They can be viewed in the - # public archives of the Diario Oficial (in Spanish) at - # http://www.impo.com.uy/diariooficial/ - # - # Ley No. 3920 of 1908-06-10 placed the determination of legal time under the - # auspices of the National Institute for the Prediction of Time. It is unclear - # exactly what offset was used during this period, though Ley No. 7200 of - # 1920-04-23 used the Observatory of the National Meteorological Institute in - # Montevideo (34° 54' 33" S, 56° 12' 45" W) as its reference meridian, - # retarding legal time by 15 minutes 9 seconds from 1920-04-30 24:00, - # resulting in UT-04. Assume the corresponding LMT of UT-03:44:51 (given on - # page 725 of the Proceedings of the Second Pan-American Scientific Congress, - # 1915-1916) was in use, and merely became official from 1908-06-10. - # https://www.impo.com.uy/diariooficial/1908/06/18/12 - # https://www.impo.com.uy/diariooficial/1920/04/27/9 - # - # Ley No. 7594 of 1923-06-28 specified legal time as Observatory time advanced - # by 44 minutes 51 seconds (UT-03) "from 30 September to 31 March", and by 14 - # minutes 51 seconds (UT-03:30) "the rest of the year"; a message from the - # National Council of Administration the same day, published directly below the - # law in the Diario Oficial, specified the first transition to be 1923-09-30 - # 24:00. This effectively established standard time at UT-03:30 with 30 - # minutes DST. Assume transitions at 24:00 on the specified days until Ley No. - # 7919 of 1926-03-05 ended this arrangement, repealing all "laws and other - # provisions which oppose" it, resulting in year-round UT-03:30; a Resolución - # of 1926-03-11 puts the final transition at 1926-03-31 24:00, the same as it - # would have been under the previous law. - # https://www.impo.com.uy/diariooficial/1923/07/02/2 - # https://www.impo.com.uy/diariooficial/1926/03/10/2 - # https://www.impo.com.uy/diariooficial/1926/03/18/2 - # + # From Shanks & Pottenger:   # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule Uruguay 1923 1925 - Oct 1 0:00 0:30 - + # Whitman gives 1923 Oct 1; go with Shanks & Pottenger. + Rule Uruguay 1923 only - Oct 2 0:00 0:30 HS   Rule Uruguay 1924 1926 - Apr 1 0:00 0 - - # From Tim Parenti (2018-02-15): - # http://www.impo.com.uy/diariooficial/1933/10/27/6 - # - # It appears Ley No. 9122 of 1933 was never published as such in the Diario - # Oficial, but instead appeared as Document 26 in the Diario on Friday - # 1933-10-27 as a decree made Monday 1933-10-23 and filed under the Ministry of - # National Defense. It reinstituted a DST of 30 minutes (to UT-03) "from the - # last Sunday of October...until the last Saturday of March." In accordance - # with this provision, the first transition was explicitly specified in Article - # 2 of the decree as Saturday 1933-10-28 at 24:00; that is, Sunday 1933-10-29 - # at 00:00. Assume transitions at 00:00 Sunday throughout. - # - # Departing from the matter-of-fact nature of previous timekeeping laws, the - # 1933 decree "consider[s] the advantages of...the advance of legal time": - # - # "Whereas: The measure adopted by almost all nations at the time of the last - # World War still persists in North America and Europe, precisely because of - # the economic, hygienic, and social advantages derived from such an - # emergency measure... - # - # Whereas: The advance of the legal time during the summer seasons, by - # displacing social activity near sunrise, favors the citizen populations - # and especially the society that creates and works..." - # - # It further specified that "necessary measures" be taken to ensure that - # "public spectacles finish, in general, before [01:00]." - Rule Uruguay 1933 1938 - Oct lastSun 0:00 0:30 - - Rule Uruguay 1934 1941 - Mar lastSat 24:00 0 - - # From Tim Parenti (2018-02-15): - # Most of the Rules below, and their contemporaneous Zone lines, have been - # updated simply to match the Almanaque 2018. Although the document does not - # list exact transition times, midnight transitions were already present in our - # data here for all transitions through 2004-09, and this is both consistent - # with prior transitions and verified in several decrees marked below between - # 1939-09 and 2004-09, wherein the relevant text was typically of the form: - # - # "From 0 hours on [date], the legal time of the entire Republic will be... - # - # In accordance with [the preceding], on [previous date] at 24 hours, all - # clocks throughout the Republic will be [advanced/retarded] by..." - # - # It is possible that there is greater specificity to be found for the Rules - # below, but it is buried in no fewer than 40 different decrees individually - # referenced by the Almanaque for the period from 1939-09 to 2014-09. - # Four-fifths of these were promulgated less than two weeks before taking - # effect; more than half within a week and none more than 5 weeks. Only the - # handful with comments below have been checked with any thoroughness. - Rule Uruguay 1939 only - Oct 1 0:00 0:30 - - Rule Uruguay 1940 only - Oct 27 0:00 0:30 - - # From Tim Parenti (2018-02-15): - # Decreto 1145 of the Ministry of National Defense, dated 1941-07-26, specified - # UT-03 from Friday 1941-08-01 00:00, citing an "urgent...need to save fuel". - # http://www.impo.com.uy/diariooficial/1941/08/04/1 - Rule Uruguay 1941 only - Aug 1 0:00 0:30 - - # From Tim Parenti (2018-02-15): - # Decreto 1866 of the Ministry of National Defense, dated 1942-12-09, specified - # further advancement (to UT-02:30) from Sunday 1942-12-13 24:00. Since clocks - # never went back to UT-03:30 thereafter, this is modeled as advancing standard - # time by 30 minutes to UT-03, while retaining 30 minutes of DST. - # http://www.impo.com.uy/diariooficial/1942/12/16/3 - Rule Uruguay 1942 only - Dec 14 0:00 0:30 - + Rule Uruguay 1924 1925 - Oct 1 0:00 0:30 HS + Rule Uruguay 1933 1935 - Oct lastSun 0:00 0:30 HS + # Shanks & Pottenger give 1935 Apr 1 0:00 & 1936 Mar 30 0:00; go with Whitman. + Rule Uruguay 1934 1936 - Mar Sat>=25 23:30s 0 - + Rule Uruguay 1936 only - Nov 1 0:00 0:30 HS + Rule Uruguay 1937 1941 - Mar lastSun 0:00 0 - + # Whitman gives 1937 Oct 3; go with Shanks & Pottenger. + Rule Uruguay 1937 1940 - Oct lastSun 0:00 0:30 HS + # Whitman gives 1941 Oct 24 - 1942 Mar 27, 1942 Dec 14 - 1943 Apr 13, + # and 1943 Apr 13 "to present time"; go with Shanks & Pottenger. + Rule Uruguay 1941 only - Aug 1 0:00 0:30 HS + Rule Uruguay 1942 only - Jan 1 0:00 0 - + Rule Uruguay 1942 only - Dec 14 0:00 1:00 S   Rule Uruguay 1943 only - Mar 14 0:00 0 - - Rule Uruguay 1959 only - May 24 0:00 0:30 - + Rule Uruguay 1959 only - May 24 0:00 1:00 S   Rule Uruguay 1959 only - Nov 15 0:00 0 - - Rule Uruguay 1960 only - Jan 17 0:00 1:00 - + Rule Uruguay 1960 only - Jan 17 0:00 1:00 S   Rule Uruguay 1960 only - Mar 6 0:00 0 - - Rule Uruguay 1965 only - Apr 4 0:00 1:00 - + Rule Uruguay 1965 1967 - Apr Sun>=1 0:00 1:00 S   Rule Uruguay 1965 only - Sep 26 0:00 0 - - # From Tim Parenti (2018-02-15): - # Decreto 321/968 of 1968-05-25, citing emergency drought measures decreed the - # day before, brought clocks forward 30 minutes from Monday 1968-05-27 00:00. - # http://www.impo.com.uy/diariooficial/1968/05/30/5 - Rule Uruguay 1968 only - May 27 0:00 0:30 - - Rule Uruguay 1968 only - Dec 1 0:00 0 - - # From Tim Parenti (2018-02-15): - # Decreto 188/970 of 1970-04-23 instituted restrictions on electricity - # consumption "as a consequence of the current rainfall regime in the country". - # Articles 13 and 14 advanced clocks by an hour from Saturday 1970-04-25 00:00. - # http://www.impo.com.uy/diariooficial/1970/04/29/4 - Rule Uruguay 1970 only - Apr 25 0:00 1:00 - - Rule Uruguay 1970 only - Jun 14 0:00 0 - - Rule Uruguay 1972 only - Apr 23 0:00 1:00 - - Rule Uruguay 1972 only - Jul 16 0:00 0 - - # From Tim Parenti (2018-02-15): - # Decreto 29/974 of 1974-01-11, citing "the international rise in the price of - # oil", advanced clocks by 90 minutes (to UT-01:30). Decreto 163/974 of - # 1974-03-04 returned 60 of those minutes (to UT-02:30), and the remaining 30 - # minutes followed in Decreto 679/974 of 1974-08-29. - # http://www.impo.com.uy/diariooficial/1974/01/22/11 - # http://www.impo.com.uy/diariooficial/1974/03/14/3 - # http://www.impo.com.uy/diariooficial/1974/09/04/6 - Rule Uruguay 1974 only - Jan 13 0:00 1:30 - - Rule Uruguay 1974 only - Mar 10 0:00 0:30 - - Rule Uruguay 1974 only - Sep 1 0:00 0 - - Rule Uruguay 1974 only - Dec 22 0:00 1:00 - - Rule Uruguay 1975 only - Mar 30 0:00 0 - - Rule Uruguay 1976 only - Dec 19 0:00 1:00 - - Rule Uruguay 1977 only - Mar 6 0:00 0 - - Rule Uruguay 1977 only - Dec 4 0:00 1:00 - - Rule Uruguay 1978 1979 - Mar Sun>=1 0:00 0 - - Rule Uruguay 1978 only - Dec 17 0:00 1:00 - - Rule Uruguay 1979 only - Apr 29 0:00 1:00 - - Rule Uruguay 1980 only - Mar 16 0:00 0 - - # From Tim Parenti (2018-02-15): - # Decreto 725/987 of 1987-12-04 cited "better use of national tourist - # attractions" to advance clocks one hour from Monday 1987-12-14 00:00. - # http://www.impo.com.uy/diariooficial/1988/01/25/1 - Rule Uruguay 1987 only - Dec 14 0:00 1:00 - - Rule Uruguay 1988 only - Feb 28 0:00 0 - - Rule Uruguay 1988 only - Dec 11 0:00 1:00 - - Rule Uruguay 1989 only - Mar 5 0:00 0 - - Rule Uruguay 1989 only - Oct 29 0:00 1:00 - - Rule Uruguay 1990 only - Feb 25 0:00 0 - - # From Tim Parenti (2018-02-15), per Paul Eggert (1999-11-04): - # IATA agrees as below for 1990-10 through 1993-02. Per Almanaque 2018, the - # 1992/1993 season appears to be the first in over half a century where DST - # both began and ended pursuant to the same decree. - Rule Uruguay 1990 1991 - Oct Sun>=21 0:00 1:00 - - Rule Uruguay 1991 1992 - Mar Sun>=1 0:00 0 - - Rule Uruguay 1992 only - Oct 18 0:00 1:00 - + Rule Uruguay 1966 1967 - Oct 31 0:00 0 - + Rule Uruguay 1968 1970 - May 27 0:00 0:30 HS + Rule Uruguay 1968 1970 - Dec 2 0:00 0 - + Rule Uruguay 1972 only - Apr 24 0:00 1:00 S + Rule Uruguay 1972 only - Aug 15 0:00 0 - + Rule Uruguay 1974 only - Mar 10 0:00 0:30 HS + Rule Uruguay 1974 only - Dec 22 0:00 1:00 S + Rule Uruguay 1976 only - Oct 1 0:00 0 - + Rule Uruguay 1977 only - Dec 4 0:00 1:00 S + Rule Uruguay 1978 only - Apr 1 0:00 0 - + Rule Uruguay 1979 only - Oct 1 0:00 1:00 S + Rule Uruguay 1980 only - May 1 0:00 0 - + Rule Uruguay 1987 only - Dec 14 0:00 1:00 S + Rule Uruguay 1988 only - Mar 14 0:00 0 - + Rule Uruguay 1988 only - Dec 11 0:00 1:00 S + Rule Uruguay 1989 only - Mar 12 0:00 0 - + Rule Uruguay 1989 only - Oct 29 0:00 1:00 S + # Shanks & Pottenger say no DST was observed in 1990/1 and 1991/2, + # and that 1992/3's DST was from 10-25 to 03-01. Go with IATA. + Rule Uruguay 1990 1992 - Mar Sun>=1 0:00 0 - + Rule Uruguay 1990 1991 - Oct Sun>=21 0:00 1:00 S + Rule Uruguay 1992 only - Oct 18 0:00 1:00 S   Rule Uruguay 1993 only - Feb 28 0:00 0 -   # From Eduardo Cota (2004-09-20):   # The Uruguayan government has decreed a change in the local time.... - # From Tim Parenti (2018-02-15): - # Decreto 328/004 of 2004-09-15. - # http://www.impo.com.uy/diariooficial/2004/09/23/documentos.pdf#page=1 - Rule Uruguay 2004 only - Sep 19 0:00 1:00 - + # http://www.presidencia.gub.uy/decretos/2004091502.htm + Rule Uruguay 2004 only - Sep 19 0:00 1:00 S   # From Steffen Thorsen (2005-03-11):   # Uruguay's DST was scheduled to end on Sunday, 2005-03-13, but in order to   # save energy ... it was postponed two weeks.... - # From Tim Parenti (2018-02-15): - # This 2005 postponement is not in Almanaque 2018. Go with the contemporaneous - # reporting, which is confirmed by Decreto 107/005 of 2005-03-10 amending - # Decreto 328/004: - # http://www.impo.com.uy/diariooficial/2005/03/15/documentos.pdf#page=1 - # The original decree specified a transition of 2005-03-12 24:00, but the new - # one specified 2005-03-27 02:00. + # http://www.presidencia.gub.uy/_Web/noticias/2005/03/2005031005.htm   Rule Uruguay 2005 only - Mar 27 2:00 0 -   # From Eduardo Cota (2005-09-27): - # ...from 2005-10-09 at 02:00 local time, until 2006-03-12 at 02:00 local time, - # official time in Uruguay will be at GMT -2. - # From Tim Parenti (2018-02-15): - # Decreto 318/005 of 2005-09-19. - # http://www.impo.com.uy/diariooficial/2005/09/23/documentos.pdf#page=1 - Rule Uruguay 2005 only - Oct 9 2:00 1:00 - - Rule Uruguay 2006 2015 - Mar Sun>=8 2:00 0 - - # From Tim Parenti (2018-02-15), per Jesper Nørgaard Welen (2006-09-06): - # Decreto 311/006 of 2006-09-04 established regular DST from the first Sunday - # of October at 02:00 through the second Sunday of March at 02:00. Almanaque - # 2018 appears to have a few typoed dates through this period; ignore them. - # http://www.impo.com.uy/diariooficial/2006/09/08/documentos.pdf#page=1 - Rule Uruguay 2006 2014 - Oct Sun>=1 2:00 1:00 - + # http://www.presidencia.gub.uy/_Web/decretos/2005/09/CM%20119_09%2009%202005_00001.PDF + # This means that from 2005-10-09 at 02:00 local time, until 2006-03-12 at + # 02:00 local time, official time in Uruguay will be at GMT -2. + Rule Uruguay 2005 only - Oct 9 2:00 1:00 S + Rule Uruguay 2006 only - Mar 12 2:00 0 - + # From Jesper Nørgaard Welen (2006-09-06): + # http://www.presidencia.gub.uy/_web/decretos/2006/09/CM%20210_08%2006%202006_00001.PDF + #   # From Steffen Thorsen (2015-06-30):   # ... it looks like they will not be using DST the coming summer:   # http://www.elobservador.com.uy/gobierno-resolvio-que-no-habra-cambio-horario-verano-n656787   # http://www.republica.com.uy/este-ano-no-se-modificara-el-huso-horario-en-uruguay/523760/   # From Paul Eggert (2015-06-30):   # Apparently restaurateurs complained that DST caused people to go to the beach   # instead of out to dinner.   # From Pablo Camargo (2015-07-13):   # http://archivo.presidencia.gub.uy/sci/decretos/2015/06/cons_min_201.pdf - # From Tim Parenti (2018-02-15): - # Decreto 178/015 of 2015-06-29; repeals Decreto 311/006. + # [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 -      # This Zone can be simplified once we assume zic %z. - Zone America/Montevideo -3:44:51 - LMT 1908 Jun 10 -  -3:44:51 - MMT 1920 May 1 # Montevideo MT -  -4:00 - -04 1923 Oct 1 + Zone America/Montevideo -3:44:44 - LMT 1898 Jun 28 +  -3:44:44 - MMT 1920 May 1 # Montevideo MT    -3:30 Uruguay -0330/-03 1942 Dec 14 -  -3:00 Uruguay -03/-0230 1960 +     -3:00 Uruguay -03/-02 1968 -  -3:00 Uruguay -03/-0230 1970 +  -3:00 Uruguay -03/-0230 1971    -3:00 Uruguay -03/-02 1974 -  -3:00 Uruguay -03/-0130 1974 Mar 10 +     -3:00 Uruguay -03/-0230 1974 Dec 22    -3:00 Uruguay -03/-02      # Venezuela   #   # From Paul Eggert (2015-07-28):   # For the 1965 transition see Gaceta Oficial No. 27.619 (1964-12-15), p 205.533   # http://www.pgr.gob.ve/dmdocuments/1964/27619.pdf   #   # From John Stainforth (2007-11-28):