| southamerica (243003) | southamerica (248307) |
|---|---|
| 1# <pre> 2# This file is in the public domain, so clarified as of 3# 2009-05-17 by Arthur David Olson. 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@iana.org for general use in the future). 8 9# From Paul Eggert (2006-03-22): 10# A good source for time zone historical data outside the U.S. is 11# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), 12# San Diego: ACS Publications, Inc. (2003). 13# | 1# <pre> 2# This file is in the public domain, so clarified as of 3# 2009-05-17 by Arthur David Olson. 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@iana.org for general use in the future). 8 9# From Paul Eggert (2006-03-22): 10# A good source for time zone historical data outside the U.S. is 11# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), 12# San Diego: ACS Publications, Inc. (2003). 13# |
| 14# For data circa 1899, a common source is: 15# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94 16# <http://www.jstor.org/stable/1774359>. 17# |
|
| 14# Gwillim Law 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 & Pottenger is the source for 21# entries through 1990, and IATA SSIM is the source for entries afterwards. --- 354 unchanged lines hidden (view full) --- 376# http://www.sanluis.gov.ar/SL/Paginas/NoticiaDetalle.asp?TemaId=1&InfoPrensaId=3102 377# </a> 378# (I couldn't find the decree, but 379# <a href="http://www.sanluis.gov.ar"> 380# www.sanluis.gov.ar 381# <a/> 382# is the official page for the Province Government). 383# | 18# Gwillim Law writes that a good source 19# for recent time zone data is the International Air Transport 20# Association's Standard Schedules Information Manual (IATA SSIM), 21# published semiannually. Law sent in several helpful summaries 22# of the IATA's data after 1990. 23# 24# Except where otherwise noted, Shanks & Pottenger is the source for 25# entries through 1990, and IATA SSIM is the source for entries afterwards. --- 354 unchanged lines hidden (view full) --- 380# http://www.sanluis.gov.ar/SL/Paginas/NoticiaDetalle.asp?TemaId=1&InfoPrensaId=3102 381# </a> 382# (I couldn't find the decree, but 383# <a href="http://www.sanluis.gov.ar"> 384# www.sanluis.gov.ar 385# <a/> 386# is the official page for the Province Government). 387# |
| 384# There's also a note in only one of the major national papers (La Naci�n) at 385# <a href="http://www.lanacion.com.ar/nota.asp?nota_id=1107912"> | 388# There's also a note in only one of the major national papers ... |
| 386# http://www.lanacion.com.ar/nota.asp?nota_id=1107912 | 389# http://www.lanacion.com.ar/nota.asp?nota_id=1107912 |
| 387# </a> | |
| 388# | 390# |
| 389# The press release says: 390# (...) anunci� que el pr�ximo domingo a las 00:00 los puntanos deber�n 391# atrasar una hora sus relojes. 392# 393# A partir de entonces, San Luis establecer� el huso horario propio de 394# la Provincia. De esta manera, durante el periodo del calendario anual 395# 2009, el cambio horario quedar� comprendido entre las 00:00 del tercer 396# domingo de marzo y las 24:00 del segundo s�bado de octubre. 397# Quick&dirty translation 398# (...) announced that next Sunday, at 00:00, Puntanos (the San Luis | 391# The press release says [quick and dirty translation]: 392# ... announced that next Sunday, at 00:00, Puntanos (the San Luis |
| 399# inhabitants) will have to turn back one hour their clocks 400# 401# Since then, San Luis will establish its own Province timezone. Thus, 402# during 2009, this timezone change will run from 00:00 the third Sunday 403# in March until 24:00 of the second Saturday in October. 404 405# From Mariano Absatz (2009-10-16): 406# ...the Province of San Luis is a case in itself. --- 45 unchanged lines hidden (view full) --- 452# </a> 453 454# From Mariano Absatz (2010-04-12): 455# yes...I can confirm this...and given that San Luis keeps calling 456# UTC-03:00 "summer time", we should't just let San Luis go back to "Arg" 457# rules...San Luis is still using "Western ARgentina Time" and it got 458# stuck on Summer daylight savings time even though the summer is over. 459 | 393# inhabitants) will have to turn back one hour their clocks 394# 395# Since then, San Luis will establish its own Province timezone. Thus, 396# during 2009, this timezone change will run from 00:00 the third Sunday 397# in March until 24:00 of the second Saturday in October. 398 399# From Mariano Absatz (2009-10-16): 400# ...the Province of San Luis is a case in itself. --- 45 unchanged lines hidden (view full) --- 446# </a> 447 448# From Mariano Absatz (2010-04-12): 449# yes...I can confirm this...and given that San Luis keeps calling 450# UTC-03:00 "summer time", we should't just let San Luis go back to "Arg" 451# rules...San Luis is still using "Western ARgentina Time" and it got 452# stuck on Summer daylight savings time even though the summer is over. 453 |
| 454# From Paul Eggert (2013-02-21): 455# Milne says Cordoba time was -4:16:48.2. Round to the nearest second. 456 |
|
| 460# Zone NAME GMTOFF RULES FORMAT [UNTIL] 461# 462# Buenos Aires (BA), Capital Federal (CF), 463Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31 464 -4:16:48 - CMT 1920 May # Cordoba Mean Time 465 -4:00 - ART 1930 Dec 466 -4:00 Arg AR%sT 1969 Oct 5 467 -3:00 Arg AR%sT 1999 Oct 3 --- 339 unchanged lines hidden (view full) --- 807# http://g1.globo.com/bahia/noticia/2011/10/governador-jaques-wagner-confirma-horario-de-verao-na-bahia.html 808# </a> and 809# <a href="http://noticias.terra.com.br/brasil/noticias/0,,OI5390887-EI8139,00-Bahia+volta+a+ter+horario+de+verao+apos+oito+anos.html"> 810# http://noticias.terra.com.br/brasil/noticias/0,,OI5390887-EI8139,00-Bahia+volta+a+ter+horario+de+verao+apos+oito+anos.html 811# </a> 812 813# From Guilherme Bernardes Rodrigues (2011-10-07): 814# There is news in the media, however there is still no decree about it. | 457# Zone NAME GMTOFF RULES FORMAT [UNTIL] 458# 459# Buenos Aires (BA), Capital Federal (CF), 460Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31 461 -4:16:48 - CMT 1920 May # Cordoba Mean Time 462 -4:00 - ART 1930 Dec 463 -4:00 Arg AR%sT 1969 Oct 5 464 -3:00 Arg AR%sT 1999 Oct 3 --- 339 unchanged lines hidden (view full) --- 804# http://g1.globo.com/bahia/noticia/2011/10/governador-jaques-wagner-confirma-horario-de-verao-na-bahia.html 805# </a> and 806# <a href="http://noticias.terra.com.br/brasil/noticias/0,,OI5390887-EI8139,00-Bahia+volta+a+ter+horario+de+verao+apos+oito+anos.html"> 807# http://noticias.terra.com.br/brasil/noticias/0,,OI5390887-EI8139,00-Bahia+volta+a+ter+horario+de+verao+apos+oito+anos.html 808# </a> 809 810# From Guilherme Bernardes Rodrigues (2011-10-07): 811# There is news in the media, however there is still no decree about it. |
| 815# I just send a e-mail to Zulmira Brand�o at | 812# I just send a e-mail to Zulmira Brandao at |
| 816# <a href="http://pcdsh01.on.br/">http://pcdsh01.on.br/</a> the | 813# <a href="http://pcdsh01.on.br/">http://pcdsh01.on.br/</a> the |
| 817# oficial agency about time in Brazil, and she confirmed that the old rule is | 814# official agency about time in Brazil, and she confirmed that the old rule is |
| 818# still in force. 819 820# From Guilherme Bernardes Rodrigues (2011-10-14) 821# It's official, the President signed a decree that includes Bahia in summer 822# time. 823# [ and in a second message (same day): ] 824# I found the decree. 825# --- 412 unchanged lines hidden (view full) --- 1238# 1239# 6. For the year 2012, the dates of entry into winter time will be as follows: 1240# a. Saturday April 28, 2012, clocks should go back 60 minutes; that is, at 1241# 23:59:59, instead of passing to 0:00, the time should be adjusted to be 23:00 1242# of the same day. 1243# b. Saturday, September 1, 2012, clocks should go forward 60 minutes; that is, 1244# at 23:59:59, instead of passing to 0:00, the time should be adjusted to be 1245# 01:00 on September 2. | 815# still in force. 816 817# From Guilherme Bernardes Rodrigues (2011-10-14) 818# It's official, the President signed a decree that includes Bahia in summer 819# time. 820# [ and in a second message (same day): ] 821# I found the decree. 822# --- 412 unchanged lines hidden (view full) --- 1235# 1236# 6. For the year 2012, the dates of entry into winter time will be as follows: 1237# a. Saturday April 28, 2012, clocks should go back 60 minutes; that is, at 1238# 23:59:59, instead of passing to 0:00, the time should be adjusted to be 23:00 1239# of the same day. 1240# b. Saturday, September 1, 2012, clocks should go forward 60 minutes; that is, 1241# at 23:59:59, instead of passing to 0:00, the time should be adjusted to be 1242# 01:00 on September 2. |
| 1246# 1247# Note that...this is yet another "temporary" change that will be reevaluated 1248# AGAIN in 2013. | |
| 1249 | 1243 |
| 1244# From Steffen Thorsen (2013-02-15): 1245# According to several news sources, Chile has extended DST this year, 1246# they will end DST later and start DST earlier than planned. They 1247# hope to save energy. The new end date is 2013-04-28 00:00 and new 1248# start date is 2013-09-08 00:00.... 1249# http://www.gob.cl/informa/2013/02/15/gobierno-anuncia-fechas-de-cambio-de-hora-para-el-ano-2013.htm 1250 |
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| 1250# NOTE: ChileAQ rules for Antarctic bases are stored separately in the 1251# 'antarctica' file. 1252 1253# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1254Rule Chile 1927 1932 - Sep 1 0:00 1:00 S 1255Rule Chile 1928 1932 - Apr 1 0:00 0 - 1256Rule Chile 1942 only - Jun 1 4:00u 0 - 1257Rule Chile 1942 only - Aug 1 5:00u 1:00 S --- 25 unchanged lines hidden (view full) --- 1283Rule Chile 2000 2007 - Mar Sun>=9 3:00u 0 - 1284# N.B.: the end of March 29 in Chile is March 30 in Universal time, 1285# which is used below in specifying the transition. 1286Rule Chile 2008 only - Mar 30 3:00u 0 - 1287Rule Chile 2009 only - Mar Sun>=9 3:00u 0 - 1288Rule Chile 2010 only - Apr Sun>=1 3:00u 0 - 1289Rule Chile 2011 only - May Sun>=2 3:00u 0 - 1290Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 S | 1251# NOTE: ChileAQ rules for Antarctic bases are stored separately in the 1252# 'antarctica' file. 1253 1254# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1255Rule Chile 1927 1932 - Sep 1 0:00 1:00 S 1256Rule Chile 1928 1932 - Apr 1 0:00 0 - 1257Rule Chile 1942 only - Jun 1 4:00u 0 - 1258Rule Chile 1942 only - Aug 1 5:00u 1:00 S --- 25 unchanged lines hidden (view full) --- 1284Rule Chile 2000 2007 - Mar Sun>=9 3:00u 0 - 1285# N.B.: the end of March 29 in Chile is March 30 in Universal time, 1286# which is used below in specifying the transition. 1287Rule Chile 2008 only - Mar 30 3:00u 0 - 1288Rule Chile 2009 only - Mar Sun>=9 3:00u 0 - 1289Rule Chile 2010 only - Apr Sun>=1 3:00u 0 - 1290Rule Chile 2011 only - May Sun>=2 3:00u 0 - 1291Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 S |
| 1291Rule Chile 2012 only - Apr Sun>=23 3:00u 0 - 1292Rule Chile 2012 only - Sep Sun>=2 4:00u 1:00 S 1293Rule Chile 2013 max - Mar Sun>=9 3:00u 0 - 1294Rule Chile 2013 max - Oct Sun>=9 4:00u 1:00 S | 1292Rule Chile 2012 max - Apr Sun>=23 3:00u 0 - 1293Rule Chile 2012 max - Sep Sun>=2 4:00u 1:00 S |
| 1295# IATA SSIM anomalies: (1992-02) says 1992-03-14; 1296# (1996-09) says 1998-03-08. Ignore these. 1297# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1298Zone America/Santiago -4:42:46 - LMT 1890 1299 -4:42:46 - SMT 1910 # Santiago Mean Time 1300 -5:00 - CLT 1916 Jul 1 # Chile Time 1301 -4:42:46 - SMT 1918 Sep 1 # Santiago Mean Time 1302 -4:00 - CLT 1919 Jul 1 # Chile Time --- 5 unchanged lines hidden (view full) --- 1308 -7:00 Chile EAS%sT 1982 Mar 13 21:00 # Easter I Time 1309 -6:00 Chile EAS%sT 1310# 1311# Sala y Gomez Island is like Pacific/Easter. 1312# Other Chilean locations, including Juan Fernandez Is, San Ambrosio, 1313# San Felix, and Antarctic bases, are like America/Santiago. 1314 1315# Colombia | 1294# IATA SSIM anomalies: (1992-02) says 1992-03-14; 1295# (1996-09) says 1998-03-08. Ignore these. 1296# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1297Zone America/Santiago -4:42:46 - LMT 1890 1298 -4:42:46 - SMT 1910 # Santiago Mean Time 1299 -5:00 - CLT 1916 Jul 1 # Chile Time 1300 -4:42:46 - SMT 1918 Sep 1 # Santiago Mean Time 1301 -4:00 - CLT 1919 Jul 1 # Chile Time --- 5 unchanged lines hidden (view full) --- 1307 -7:00 Chile EAS%sT 1982 Mar 13 21:00 # Easter I Time 1308 -6:00 Chile EAS%sT 1309# 1310# Sala y Gomez Island is like Pacific/Easter. 1311# Other Chilean locations, including Juan Fernandez Is, San Ambrosio, 1312# San Felix, and Antarctic bases, are like America/Santiago. 1313 1314# Colombia |
| 1315 1316# Milne gives 4:56:16.4 for Bogota time in 1899; round to nearest. He writes, 1317# "A variation of fifteen minutes in the public clocks of Bogota is not rare." 1318 |
|
| 1316# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1317Rule CO 1992 only - May 3 0:00 1:00 S 1318Rule CO 1993 only - Apr 4 0:00 0 - 1319# Zone NAME GMTOFF RULES FORMAT [UNTIL] | 1319# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1320Rule CO 1992 only - May 3 0:00 1:00 S 1321Rule CO 1993 only - Apr 4 0:00 0 - 1322# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
| 1320Zone America/Bogota -4:56:20 - LMT 1884 Mar 13 1321 -4:56:20 - BMT 1914 Nov 23 # Bogota Mean Time | 1323Zone America/Bogota -4:56:16 - LMT 1884 Mar 13 1324 -4:56:16 - BMT 1914 Nov 23 # Bogota Mean Time |
| 1322 -5:00 CO CO%sT # Colombia Time 1323# Malpelo, Providencia, San Andres 1324# no information; probably like America/Bogota 1325 1326# Curacao | 1325 -5:00 CO CO%sT # Colombia Time 1326# Malpelo, Providencia, San Andres 1327# no information; probably like America/Bogota 1328 1329# Curacao |
| 1330 1331# Milne gives 4:35:46.9 for Curacao mean time; round to nearest. |
|
| 1327# 1328# From Paul Eggert (2006-03-22): 1329# Shanks & Pottenger say that The Bottom and Philipsburg have been at 1330# -4:00 since standard time was introduced on 1912-03-02; and that 1331# Kralendijk and Rincon used Kralendijk Mean Time (-4:33:08) from 1332# 1912-02-02 to 1965-01-01. The former is dubious, since S&P also say 1333# Saba Island has been like Curacao. 1334# This all predates our 1970 cutoff, though. 1335# 1336# By July 2007 Curacao and St Maarten are planned to become 1337# associated states within the Netherlands, much like Aruba; 1338# Bonaire, Saba and St Eustatius would become directly part of the 1339# Netherlands as Kingdom Islands. This won't affect their time zones 1340# though, as far as we know. 1341# 1342# Zone NAME GMTOFF RULES FORMAT [UNTIL] | 1332# 1333# From Paul Eggert (2006-03-22): 1334# Shanks & Pottenger say that The Bottom and Philipsburg have been at 1335# -4:00 since standard time was introduced on 1912-03-02; and that 1336# Kralendijk and Rincon used Kralendijk Mean Time (-4:33:08) from 1337# 1912-02-02 to 1965-01-01. The former is dubious, since S&P also say 1338# Saba Island has been like Curacao. 1339# This all predates our 1970 cutoff, though. 1340# 1341# By July 2007 Curacao and St Maarten are planned to become 1342# associated states within the Netherlands, much like Aruba; 1343# Bonaire, Saba and St Eustatius would become directly part of the 1344# Netherlands as Kingdom Islands. This won't affect their time zones 1345# though, as far as we know. 1346# 1347# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
| 1343Zone America/Curacao -4:35:44 - LMT 1912 Feb 12 # Willemstad | 1348Zone America/Curacao -4:35:47 - LMT 1912 Feb 12 # Willemstad |
| 1344 -4:30 - ANT 1965 # Netherlands Antilles Time 1345 -4:00 - AST 1346 1347# From Arthur David Olson (2011-06-15): 1348# At least for now, use links for places with new iso3166 codes. 1349# The name "Lower Prince's Quarter" is both longer than fourteen charaters 1350# and contains an apostrophe; use "Lower_Princes" below. 1351 1352Link America/Curacao America/Lower_Princes # Sint Maarten 1353Link America/Curacao America/Kralendijk # Bonaire, Sint Estatius and Saba 1354 1355# Ecuador 1356# | 1349 -4:30 - ANT 1965 # Netherlands Antilles Time 1350 -4:00 - AST 1351 1352# From Arthur David Olson (2011-06-15): 1353# At least for now, use links for places with new iso3166 codes. 1354# The name "Lower Prince's Quarter" is both longer than fourteen charaters 1355# and contains an apostrophe; use "Lower_Princes" below. 1356 1357Link America/Curacao America/Lower_Princes # Sint Maarten 1358Link America/Curacao America/Kralendijk # Bonaire, Sint Estatius and Saba 1359 1360# Ecuador 1361# |
| 1362# Milne says the Sentral and South American Telegraph Company used -5:24:15. 1363# |
|
| 1357# From Paul Eggert (2007-03-04): 1358# Apparently Ecuador had a failed experiment with DST in 1992. 1359# <http://midena.gov.ec/content/view/1261/208/> (2007-02-27) and 1360# <http://www.hoy.com.ec/NoticiaNue.asp?row_id=249856> (2006-11-06) both 1361# talk about "hora Sixto". Leave this alone for now, as we have no data. 1362# 1363# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1364Zone America/Guayaquil -5:19:20 - LMT 1890 --- 190 unchanged lines hidden (view full) --- 1555# ... 1556# Art. 1. It is hereby established that from the second Sunday of the month of 1557# April of this year (2010), the official time is to be set back 60 minutes, 1558# and that on the first Sunday of the month of October, it is to be set 1559# forward 60 minutes, in all the territory of the Paraguayan Republic. 1560# ... 1561Rule Para 2010 max - Oct Sun>=1 0:00 1:00 S 1562Rule Para 2010 max - Apr Sun>=8 0:00 0 - | 1364# From Paul Eggert (2007-03-04): 1365# Apparently Ecuador had a failed experiment with DST in 1992. 1366# <http://midena.gov.ec/content/view/1261/208/> (2007-02-27) and 1367# <http://www.hoy.com.ec/NoticiaNue.asp?row_id=249856> (2006-11-06) both 1368# talk about "hora Sixto". Leave this alone for now, as we have no data. 1369# 1370# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1371Zone America/Guayaquil -5:19:20 - LMT 1890 --- 190 unchanged lines hidden (view full) --- 1562# ... 1563# Art. 1. It is hereby established that from the second Sunday of the month of 1564# April of this year (2010), the official time is to be set back 60 minutes, 1565# and that on the first Sunday of the month of October, it is to be set 1566# forward 60 minutes, in all the territory of the Paraguayan Republic. 1567# ... 1568Rule Para 2010 max - Oct Sun>=1 0:00 1:00 S 1569Rule Para 2010 max - Apr Sun>=8 0:00 0 - |
| 1570# 1571# From Steffen Thorsen (2013-03-07): 1572# Paraguay will end DST on 2013-03-24 00:00.... 1573# They do not tell if this will be a permanent change or just this year.... 1574# http://www.ande.gov.py/interna.php?id=1075 1575# 1576# From Paul Eggert (2013-03-07): 1577# For now, assume it's just this year. 1578Rule Para 2013 only - Mar 24 0:00 0 - |
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| 1563 1564# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1565Zone America/Asuncion -3:50:40 - LMT 1890 1566 -3:50:40 - AMT 1931 Oct 10 # Asuncion Mean Time 1567 -4:00 - PYT 1972 Oct # Paraguay Time 1568 -3:00 - PYT 1974 Apr 1569 -4:00 Para PY%sT 1570 --- 141 unchanged lines hidden --- | 1579 1580# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1581Zone America/Asuncion -3:50:40 - LMT 1890 1582 -3:50:40 - AMT 1931 Oct 10 # Asuncion Mean Time 1583 -4:00 - PYT 1972 Oct # Paraguay Time 1584 -3:00 - PYT 1974 Apr 1585 -4:00 Para PY%sT 1586 --- 141 unchanged lines hidden --- |