1# @(#)southamerica 7.40
2
3# $FreeBSD: head/share/zoneinfo/southamerica 75267 2001-04-06 16:46:52Z wollman $
4
5# This data is by no means authoritative; if you think you know better,
6# go ahead and edit the file (and please send any changes to
7# tz@elsie.nci.nih.gov for general use in the future).
8
9# From Paul Eggert <eggert@twinsun.com> (1999-07-07):
10# A good source for time zone historical data outside the U.S. is
11# Thomas G. Shanks, The International Atlas (5th edition),
12# San Diego: ACS Publications, Inc. (1999).
13#
14# Gwillim Law <Gwil_Law@bridge-point.com> writes that a good source
15# for recent time zone data is the International Air Transport
16# Association's Standard Schedules Information Manual (IATA SSIM),
17# published semiannually. Law sent in several helpful summaries
18# of the IATA's data after 1990.
19#
20# Except where otherwise noted, Shanks is the source for entries through 1990,
21# and IATA SSIM is the source for entries after 1990.
22#
--- 99 unchanged lines hidden (view full) ---
122# Argentina decided not to become one of the countries that go on or off DST.
123# So Buenos Aires should be -3 hours from GMT at all times.
124#
125# From Fabian L. Arce Jofre <farcejofre@bigfoot.com> (2000-04-04):
126# The law that claimed DST for Argentina was derogated by President Fernando
127# de la Rua on March 2, 2000, because it would make people spend more energy
128# in the winter time, rather than less. The change took effect on March 3.
129#
130# Zone NAME GMTOFF RULES FORMAT [UNTIL]
131#
132# Buenos Aires (BA), Capital Federal (CF), Santa Cruz (SC),
133# Tierra del Fuego, Antartida e Islas del Atlantico Sur (TF)
134Zone America/Buenos_Aires -3:53:48 - LMT 1894 Nov
135 -4:16:44 - CMT 1920 May # Cordoba Mean Time
136 -4:00 - ART 1930 Dec
137 -4:00 Arg AR%sT 1969 Oct 5
--- 65 unchanged lines hidden (view full) ---
203# Zone NAME GMTOFF RULES FORMAT [UNTIL]
204Zone America/Aruba -4:40:24 - LMT 1912 Feb 12 # Oranjestad
205 -4:30 - ANT 1965 # Netherlands Antilles Time
206 -4:00 - AST
207
208# Bolivia
209# Zone NAME GMTOFF RULES FORMAT [UNTIL]
210Zone America/La_Paz -4:32:36 - LMT 1890
211 -4:32:36 - LPMT 1931 Oct 15 # La Paz Mean Time
212 -4:32:36 1:00 BOST 1932 Mar 21 # Bolivia ST
213 -4:00 - BOT # Bolivia Time
214
215# Brazil
216
217# From Paul Eggert <eggert@twinsun.com> (1993-11-18):
218# The mayor of Rio recently attempted to change the time zone rules
219# just in his city, in order to leave more summer time for the tourist trade.
--- 159 unchanged lines hidden (view full) ---
379Rule Brazil 1999 only - Oct 3 0:00 1:00 S
380Rule Brazil 2000 only - Feb 27 0:00 0 -
381# Decree <a href="http://pcdsh01.on.br/DEC3592.htm">3,592</a> (2000-09-06)
382# adopted by the same states as before.
383# Decree <a href="http://pcdsh01.on.br/Dec3630.jpg">3,630</a> (2000-10-13)
384# repeals DST in PE and RR, effective 2000-10-15 00:00.
385# Decree <a href="http://pcdsh01.on.br/Dec3632.jpg">3,632</a> (2000-10-17)
386# repeals DST in SE, AL, PB, RN, CE, PI and MA, effective 2000-10-22 00:00.
387#
388# These give only one year's rules. After that, the rules are guesses
389# and are quite possibly wrong, but are more likely than no DST at all.
390Rule Brazil 2000 max - Oct Sun>=8 0:00 1:00 S
391Rule Brazil 2001 max - Feb Sun>=15 0:00 0 -
392
393
394# Zone NAME GMTOFF RULES FORMAT [UNTIL]
395#
396# Atlantic islands: Fernando de Noronha, Trindade, Martin Vaz,
--- 9 unchanged lines hidden (view full) ---
406 -3:00 - BRT
407#
408# Maranhao (MA), Piaui (PI), Ceara (CE), Rio Grande do Norte (RN),
409# Paraiba (PB)
410Zone America/Fortaleza -2:34:00 - LMT 1914
411 -3:00 Brazil BR%sT 1990 Sep 17
412 -3:00 - BRT 1999 Sep 30
413 -3:00 Brazil BR%sT 2000 Oct 22
414 -3:00 - BRT
415#
416# Pernambuco (PE) (except Atlantic islands)
417Zone America/Recife -2:19:36 - LMT 1914
418 -3:00 Brazil BR%sT 1990 Sep 17
419 -3:00 - BRT 1999 Sep 30
420 -3:00 Brazil BR%sT 2000 Oct 15
421 -3:00 - BRT
422#
423# Tocantins (TO)
424Zone America/Araguaina -3:12:48 - LMT 1914
425 -3:00 Brazil BR%sT 1990 Sep 17
426 -3:00 - BRT 1995 Sep 14
427 -3:00 Brazil BR%sT
428#
429# Alagoas (AL), Sergipe (SE)
430Zone America/Maceio -2:22:52 - LMT 1914
431 -3:00 Brazil BR%sT 1990 Sep 17
432 -3:00 - BRT 1995 Oct 13
433 -3:00 Brazil BR%sT 1996 Sep 4
434 -3:00 - BRT 1999 Sep 30
435 -3:00 Brazil BR%sT 2000 Oct 22
436 -3:00 - BRT
437#
438# Bahia (BA), Goias (GO), Distrito Federal (DF), Minas Gerais (MG),
439# Espirito Santo (ES), Rio de Janeiro (RJ), Sao Paulo (SP), Parana (PR),
440# Santa Catarina (SC), Rio Grande do Sul (RS)
441Zone America/Sao_Paulo -3:06:28 - LMT 1914
442 -3:00 Brazil BR%sT 1963 Oct 23 00:00
443 -3:00 1:00 BRST 1964
444 -3:00 Brazil BR%sT
445#
446# Mato Grosso, Mato Grosso do Sul
447Zone America/Cuiaba -3:44:20 - LMT 1914
448 -4:00 Brazil AM%sT
449#
450# west Para (PA), Rondonia (RO)
451# West Para includes Altamira, Oribidos, Prainha, Oriximina, and Santarem.
452Zone America/Porto_Velho -4:15:36 - LMT 1914
453 -4:00 Brazil AM%sT 1988 Sep 12
454 -4:00 - AMT
--- 35 unchanged lines hidden (view full) ---
490# Because of the drought this year, the government decided to go into
491# DST earlier (saturday 9/26 at 24:00). This is a one-time change only ...
492# (unless there's another dry season next year, I guess).
493
494# From Julio I. Pacheco Troncoso (1999-03-18):
495# Because of the same drought, the government decided to end DST later,
496# on April 3, (one-time change).
497
498# From Gwillim Law (2001-02-20):
499# I came across a Chilean on-line newspaper, La Tercera. Its
500# <a href="http://www.tercera.cl/diario/1998/03/13/extras.html">
501# 1998-03-13 issue
502# </a>, says (my translation):
503# "At 24:00 (midnight) tomorrow (Saturday) - 22:00 in the insular
504# territory [Easter Island, Juan Fernandez, etc.] - winter time will
505# begin in the entire country."
506
507# From Paul Eggert (2001-02-21):
508# Assume this rule has been used since DST was introduced in the islands.
509
510# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
511Rule Chile 1918 only - Sep 1 0:00 1:00 S
512Rule Chile 1919 only - Jul 2 0:00 0 -
513Rule Chile 1927 1931 - Sep 1 0:00 1:00 S
514Rule Chile 1928 1932 - Apr 1 0:00 0 -
515Rule Chile 1969 1997 - Oct Sun>=9 4:00u 1:00 S
516Rule Chile 1970 1998 - Mar Sun>=9 3:00u 0 -
517Rule Chile 1998 only - Sep 27 4:00u 1:00 S
518Rule Chile 1999 only - Apr 4 3:00u 0 -
519Rule Chile 1999 max - Oct Sun>=9 4:00u 1:00 S
520Rule Chile 2000 max - Mar Sun>=9 3:00u 0 -
521# IATA SSIM anomalies: (1990-09) says 1990-09-16; (1992-02) says 1992-03-14;
522# (1996-09) says 1998-03-08. Ignore these.
523# Zone NAME GMTOFF RULES FORMAT [UNTIL]
524Zone America/Santiago -4:42:40 - LMT 1890
525 -4:42:40 - SMT 1910 # Santiago Mean Time
526 -5:00 Chile CL%sT 1932 Sep # Chile Time
527 -4:00 Chile CL%sT
528Zone Pacific/Easter -7:17:28 - LMT 1890 # Mataveri
529 -7:17:28 - MMT 1932 Sep # Mataveri Mean Time
530 -7:00 Chile EAS%sT 1982 Mar 14 # Easter I Time
531 -6:00 Chile EAS%sT
532#
533# Whitman says Juan Fernandez Is are like America/Santiago.
534# San Ambrosio, San Felix
535# no information; probably like America/Santiago
536
537
538# Colombia
539# Shanks specifies 24:00 for 1992 transition times; go with IATA,
540# as it seems implausible to change clocks at midnight New Year's Eve.
541# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
542Rule CO 1992 only - May 2 0:00 1:00 S
543Rule CO 1992 only - Dec 31 0:00 0 -
544# Zone NAME GMTOFF RULES FORMAT [UNTIL]
545Zone America/Bogota -4:56:20 - LMT 1884 Mar 13
--- 168 unchanged lines hidden (view full) ---
714Rule Peru 1987 only - Apr 1 0:00 0 -
715Rule Peru 1990 only - Jan 1 0:00 1:00 S
716Rule Peru 1990 only - Apr 1 0:00 0 -
717# IATA is ambiguous for 1993/1995; go with Shanks.
718Rule Peru 1994 only - Jan 1 0:00 1:00 S
719Rule Peru 1994 only - Apr 1 0:00 0 -
720# Zone NAME GMTOFF RULES FORMAT [UNTIL]
721Zone America/Lima -5:08:12 - LMT 1890
722 -5:09 - LMT 1908 Jul 28 # Lima Mean Time
723 -5:00 Peru PE%sT # Peru Time
724
725# South Georgia
726# Zone NAME GMTOFF RULES FORMAT [UNTIL]
727Zone Atlantic/South_Georgia -2:26:08 - LMT 1890 # Grytviken
728 -2:00 - GST # South Georgia Time
729
730# South Sandwich Is
--- 68 unchanged lines hidden (view full) ---
799Zone America/Montevideo -3:44:44 - LMT 1898 Jun 28
800 -3:44:44 - MMT 1920 May 1 # Montevideo MT
801 -3:30 Uruguay UY%sT 1942 Dec 14 # Uruguay Time
802 -3:00 Uruguay UY%sT
803
804# Venezuela
805# Zone NAME GMTOFF RULES FORMAT [UNTIL]
806Zone America/Caracas -4:27:44 - LMT 1890
807 -4:27:44 - CMT 1912 Feb 12 # Caracas Mean Time
808 -4:30 - VET 1965 # Venezuela Time
809 -4:00 - VET
2
3# $FreeBSD: head/share/zoneinfo/southamerica 75267 2001-04-06 16:46:52Z wollman $
4
5# This data is by no means authoritative; if you think you know better,
6# go ahead and edit the file (and please send any changes to
7# tz@elsie.nci.nih.gov for general use in the future).
8
9# From Paul Eggert <eggert@twinsun.com> (1999-07-07):
10# A good source for time zone historical data outside the U.S. is
11# Thomas G. Shanks, The International Atlas (5th edition),
12# San Diego: ACS Publications, Inc. (1999).
13#
14# Gwillim Law <Gwil_Law@bridge-point.com> writes that a good source
15# for recent time zone data is the International Air Transport
16# Association's Standard Schedules Information Manual (IATA SSIM),
17# published semiannually. Law sent in several helpful summaries
18# of the IATA's data after 1990.
19#
20# Except where otherwise noted, Shanks is the source for entries through 1990,
21# and IATA SSIM is the source for entries after 1990.
22#
--- 99 unchanged lines hidden (view full) ---
122# Argentina decided not to become one of the countries that go on or off DST.
123# So Buenos Aires should be -3 hours from GMT at all times.
124#
125# From Fabian L. Arce Jofre <farcejofre@bigfoot.com> (2000-04-04):
126# The law that claimed DST for Argentina was derogated by President Fernando
127# de la Rua on March 2, 2000, because it would make people spend more energy
128# in the winter time, rather than less. The change took effect on March 3.
129#
130# Zone NAME GMTOFF RULES FORMAT [UNTIL]
131#
132# Buenos Aires (BA), Capital Federal (CF), Santa Cruz (SC),
133# Tierra del Fuego, Antartida e Islas del Atlantico Sur (TF)
134Zone America/Buenos_Aires -3:53:48 - LMT 1894 Nov
135 -4:16:44 - CMT 1920 May # Cordoba Mean Time
136 -4:00 - ART 1930 Dec
137 -4:00 Arg AR%sT 1969 Oct 5
--- 65 unchanged lines hidden (view full) ---
203# Zone NAME GMTOFF RULES FORMAT [UNTIL]
204Zone America/Aruba -4:40:24 - LMT 1912 Feb 12 # Oranjestad
205 -4:30 - ANT 1965 # Netherlands Antilles Time
206 -4:00 - AST
207
208# Bolivia
209# Zone NAME GMTOFF RULES FORMAT [UNTIL]
210Zone America/La_Paz -4:32:36 - LMT 1890
211 -4:32:36 - LPMT 1931 Oct 15 # La Paz Mean Time
212 -4:32:36 1:00 BOST 1932 Mar 21 # Bolivia ST
213 -4:00 - BOT # Bolivia Time
214
215# Brazil
216
217# From Paul Eggert <eggert@twinsun.com> (1993-11-18):
218# The mayor of Rio recently attempted to change the time zone rules
219# just in his city, in order to leave more summer time for the tourist trade.
--- 159 unchanged lines hidden (view full) ---
379Rule Brazil 1999 only - Oct 3 0:00 1:00 S
380Rule Brazil 2000 only - Feb 27 0:00 0 -
381# Decree <a href="http://pcdsh01.on.br/DEC3592.htm">3,592</a> (2000-09-06)
382# adopted by the same states as before.
383# Decree <a href="http://pcdsh01.on.br/Dec3630.jpg">3,630</a> (2000-10-13)
384# repeals DST in PE and RR, effective 2000-10-15 00:00.
385# Decree <a href="http://pcdsh01.on.br/Dec3632.jpg">3,632</a> (2000-10-17)
386# repeals DST in SE, AL, PB, RN, CE, PI and MA, effective 2000-10-22 00:00.
387#
388# These give only one year's rules. After that, the rules are guesses
389# and are quite possibly wrong, but are more likely than no DST at all.
390Rule Brazil 2000 max - Oct Sun>=8 0:00 1:00 S
391Rule Brazil 2001 max - Feb Sun>=15 0:00 0 -
392
393
394# Zone NAME GMTOFF RULES FORMAT [UNTIL]
395#
396# Atlantic islands: Fernando de Noronha, Trindade, Martin Vaz,
--- 9 unchanged lines hidden (view full) ---
406 -3:00 - BRT
407#
408# Maranhao (MA), Piaui (PI), Ceara (CE), Rio Grande do Norte (RN),
409# Paraiba (PB)
410Zone America/Fortaleza -2:34:00 - LMT 1914
411 -3:00 Brazil BR%sT 1990 Sep 17
412 -3:00 - BRT 1999 Sep 30
413 -3:00 Brazil BR%sT 2000 Oct 22
414 -3:00 - BRT
415#
416# Pernambuco (PE) (except Atlantic islands)
417Zone America/Recife -2:19:36 - LMT 1914
418 -3:00 Brazil BR%sT 1990 Sep 17
419 -3:00 - BRT 1999 Sep 30
420 -3:00 Brazil BR%sT 2000 Oct 15
421 -3:00 - BRT
422#
423# Tocantins (TO)
424Zone America/Araguaina -3:12:48 - LMT 1914
425 -3:00 Brazil BR%sT 1990 Sep 17
426 -3:00 - BRT 1995 Sep 14
427 -3:00 Brazil BR%sT
428#
429# Alagoas (AL), Sergipe (SE)
430Zone America/Maceio -2:22:52 - LMT 1914
431 -3:00 Brazil BR%sT 1990 Sep 17
432 -3:00 - BRT 1995 Oct 13
433 -3:00 Brazil BR%sT 1996 Sep 4
434 -3:00 - BRT 1999 Sep 30
435 -3:00 Brazil BR%sT 2000 Oct 22
436 -3:00 - BRT
437#
438# Bahia (BA), Goias (GO), Distrito Federal (DF), Minas Gerais (MG),
439# Espirito Santo (ES), Rio de Janeiro (RJ), Sao Paulo (SP), Parana (PR),
440# Santa Catarina (SC), Rio Grande do Sul (RS)
441Zone America/Sao_Paulo -3:06:28 - LMT 1914
442 -3:00 Brazil BR%sT 1963 Oct 23 00:00
443 -3:00 1:00 BRST 1964
444 -3:00 Brazil BR%sT
445#
446# Mato Grosso, Mato Grosso do Sul
447Zone America/Cuiaba -3:44:20 - LMT 1914
448 -4:00 Brazil AM%sT
449#
450# west Para (PA), Rondonia (RO)
451# West Para includes Altamira, Oribidos, Prainha, Oriximina, and Santarem.
452Zone America/Porto_Velho -4:15:36 - LMT 1914
453 -4:00 Brazil AM%sT 1988 Sep 12
454 -4:00 - AMT
--- 35 unchanged lines hidden (view full) ---
490# Because of the drought this year, the government decided to go into
491# DST earlier (saturday 9/26 at 24:00). This is a one-time change only ...
492# (unless there's another dry season next year, I guess).
493
494# From Julio I. Pacheco Troncoso (1999-03-18):
495# Because of the same drought, the government decided to end DST later,
496# on April 3, (one-time change).
497
498# From Gwillim Law (2001-02-20):
499# I came across a Chilean on-line newspaper, La Tercera. Its
500# <a href="http://www.tercera.cl/diario/1998/03/13/extras.html">
501# 1998-03-13 issue
502# </a>, says (my translation):
503# "At 24:00 (midnight) tomorrow (Saturday) - 22:00 in the insular
504# territory [Easter Island, Juan Fernandez, etc.] - winter time will
505# begin in the entire country."
506
507# From Paul Eggert (2001-02-21):
508# Assume this rule has been used since DST was introduced in the islands.
509
510# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
511Rule Chile 1918 only - Sep 1 0:00 1:00 S
512Rule Chile 1919 only - Jul 2 0:00 0 -
513Rule Chile 1927 1931 - Sep 1 0:00 1:00 S
514Rule Chile 1928 1932 - Apr 1 0:00 0 -
515Rule Chile 1969 1997 - Oct Sun>=9 4:00u 1:00 S
516Rule Chile 1970 1998 - Mar Sun>=9 3:00u 0 -
517Rule Chile 1998 only - Sep 27 4:00u 1:00 S
518Rule Chile 1999 only - Apr 4 3:00u 0 -
519Rule Chile 1999 max - Oct Sun>=9 4:00u 1:00 S
520Rule Chile 2000 max - Mar Sun>=9 3:00u 0 -
521# IATA SSIM anomalies: (1990-09) says 1990-09-16; (1992-02) says 1992-03-14;
522# (1996-09) says 1998-03-08. Ignore these.
523# Zone NAME GMTOFF RULES FORMAT [UNTIL]
524Zone America/Santiago -4:42:40 - LMT 1890
525 -4:42:40 - SMT 1910 # Santiago Mean Time
526 -5:00 Chile CL%sT 1932 Sep # Chile Time
527 -4:00 Chile CL%sT
528Zone Pacific/Easter -7:17:28 - LMT 1890 # Mataveri
529 -7:17:28 - MMT 1932 Sep # Mataveri Mean Time
530 -7:00 Chile EAS%sT 1982 Mar 14 # Easter I Time
531 -6:00 Chile EAS%sT
532#
533# Whitman says Juan Fernandez Is are like America/Santiago.
534# San Ambrosio, San Felix
535# no information; probably like America/Santiago
536
537
538# Colombia
539# Shanks specifies 24:00 for 1992 transition times; go with IATA,
540# as it seems implausible to change clocks at midnight New Year's Eve.
541# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
542Rule CO 1992 only - May 2 0:00 1:00 S
543Rule CO 1992 only - Dec 31 0:00 0 -
544# Zone NAME GMTOFF RULES FORMAT [UNTIL]
545Zone America/Bogota -4:56:20 - LMT 1884 Mar 13
--- 168 unchanged lines hidden (view full) ---
714Rule Peru 1987 only - Apr 1 0:00 0 -
715Rule Peru 1990 only - Jan 1 0:00 1:00 S
716Rule Peru 1990 only - Apr 1 0:00 0 -
717# IATA is ambiguous for 1993/1995; go with Shanks.
718Rule Peru 1994 only - Jan 1 0:00 1:00 S
719Rule Peru 1994 only - Apr 1 0:00 0 -
720# Zone NAME GMTOFF RULES FORMAT [UNTIL]
721Zone America/Lima -5:08:12 - LMT 1890
722 -5:09 - LMT 1908 Jul 28 # Lima Mean Time
723 -5:00 Peru PE%sT # Peru Time
724
725# South Georgia
726# Zone NAME GMTOFF RULES FORMAT [UNTIL]
727Zone Atlantic/South_Georgia -2:26:08 - LMT 1890 # Grytviken
728 -2:00 - GST # South Georgia Time
729
730# South Sandwich Is
--- 68 unchanged lines hidden (view full) ---
799Zone America/Montevideo -3:44:44 - LMT 1898 Jun 28
800 -3:44:44 - MMT 1920 May 1 # Montevideo MT
801 -3:30 Uruguay UY%sT 1942 Dec 14 # Uruguay Time
802 -3:00 Uruguay UY%sT
803
804# Venezuela
805# Zone NAME GMTOFF RULES FORMAT [UNTIL]
806Zone America/Caracas -4:27:44 - LMT 1890
807 -4:27:44 - CMT 1912 Feb 12 # Caracas Mean Time
808 -4:30 - VET 1965 # Venezuela Time
809 -4:00 - VET