8 |
8 |
9 # From Paul Eggert (2006-03-22): |
9 # From Paul Eggert (2006-03-22): |
10 # A good source for time zone historical data outside the U.S. is |
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), |
11 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), |
12 # San Diego: ACS Publications, Inc. (2003). |
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>. |
13 # |
17 # |
14 # Gwillim Law writes that a good source |
18 # Gwillim Law writes that a good source |
15 # for recent time zone data is the International Air Transport |
19 # for recent time zone data is the International Air Transport |
16 # Association's Standard Schedules Information Manual (IATA SSIM), |
20 # Association's Standard Schedules Information Manual (IATA SSIM), |
17 # published semiannually. Law sent in several helpful summaries |
21 # published semiannually. Law sent in several helpful summaries |
379 # <a href="http://www.sanluis.gov.ar"> |
383 # <a href="http://www.sanluis.gov.ar"> |
380 # www.sanluis.gov.ar |
384 # www.sanluis.gov.ar |
381 # <a/> |
385 # <a/> |
382 # is the official page for the Province Government). |
386 # is the official page for the Province Government). |
383 # |
387 # |
384 # There's also a note in only one of the major national papers (La Naci�n) at |
388 # There's also a note in only one of the major national papers ... |
385 # <a href="http://www.lanacion.com.ar/nota.asp?nota_id=1107912"> |
|
386 # http://www.lanacion.com.ar/nota.asp?nota_id=1107912 |
389 # http://www.lanacion.com.ar/nota.asp?nota_id=1107912 |
387 # </a> |
390 # |
388 # |
391 # The press release says [quick and dirty translation]: |
389 # The press release says: |
392 # ... announced that next Sunday, at 00:00, Puntanos (the San Luis |
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 |
|
399 # inhabitants) will have to turn back one hour their clocks |
393 # inhabitants) will have to turn back one hour their clocks |
400 # |
394 # |
401 # Since then, San Luis will establish its own Province timezone. Thus, |
395 # 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 |
396 # 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. |
397 # in March until 24:00 of the second Saturday in October. |
454 # From Mariano Absatz (2010-04-12): |
448 # From Mariano Absatz (2010-04-12): |
455 # yes...I can confirm this...and given that San Luis keeps calling |
449 # 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" |
450 # 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 |
451 # 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. |
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. |
459 |
456 |
460 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
457 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
461 # |
458 # |
462 # Buenos Aires (BA), Capital Federal (CF), |
459 # Buenos Aires (BA), Capital Federal (CF), |
463 Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31 |
460 Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31 |
810 # 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 |
811 # </a> |
808 # </a> |
812 |
809 |
813 # From Guilherme Bernardes Rodrigues (2011-10-07): |
810 # From Guilherme Bernardes Rodrigues (2011-10-07): |
814 # There is news in the media, however there is still no decree about it. |
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. |
815 # still in force. |
819 |
816 |
820 # From Guilherme Bernardes Rodrigues (2011-10-14) |
817 # From Guilherme Bernardes Rodrigues (2011-10-14) |
821 # It's official, the President signed a decree that includes Bahia in summer |
818 # It's official, the President signed a decree that includes Bahia in summer |
822 # time. |
819 # time. |
972 Rule Brazil 2007 only - Feb 25 0:00 0 - |
969 Rule Brazil 2007 only - Feb 25 0:00 0 - |
973 # Decree <a href="http://pcdsh01.on.br/DecHV6212.gif">6,212</a> (2007-09-26), |
970 # Decree <a href="http://pcdsh01.on.br/DecHV6212.gif">6,212</a> (2007-09-26), |
974 # adopted by the same states as before. |
971 # adopted by the same states as before. |
975 Rule Brazil 2007 only - Oct Sun>=8 0:00 1:00 S |
972 Rule Brazil 2007 only - Oct Sun>=8 0:00 1:00 S |
976 # From Frederico A. C. Neves (2008-09-10): |
973 # From Frederico A. C. Neves (2008-09-10): |
977 # Acording to this decree |
974 # According to this decree |
978 # <a href="http://www.planalto.gov.br/ccivil_03/_Ato2007-2010/2008/Decreto/D6558.htm"> |
975 # <a href="http://www.planalto.gov.br/ccivil_03/_Ato2007-2010/2008/Decreto/D6558.htm"> |
979 # http://www.planalto.gov.br/ccivil_03/_Ato2007-2010/2008/Decreto/D6558.htm |
976 # http://www.planalto.gov.br/ccivil_03/_Ato2007-2010/2008/Decreto/D6558.htm |
980 # </a> |
977 # </a> |
981 # [t]he DST period in Brazil now on will be from the 3rd Oct Sunday to the |
978 # [t]he DST period in Brazil now on will be from the 3rd Oct Sunday to the |
982 # 3rd Feb Sunday. There is an exception on the return date when this is |
979 # 3rd Feb Sunday. There is an exception on the return date when this is |
1204 # 2nd: |
1201 # 2nd: |
1205 # <a href="http://www.emol.com/noticias/nacional/detalle/detallenoticias.asp?idnoticia=467651"> |
1202 # <a href="http://www.emol.com/noticias/nacional/detalle/detallenoticias.asp?idnoticia=467651"> |
1206 # http://www.emol.com/noticias/nacional/detalle/detallenoticias.asp?idnoticia=467651 |
1203 # http://www.emol.com/noticias/nacional/detalle/detallenoticias.asp?idnoticia=467651 |
1207 # </a> |
1204 # </a> |
1208 # |
1205 # |
1209 # This is not yet reflected in the offical "cambio de hora" site, but |
1206 # This is not yet reflected in the official "cambio de hora" site, but |
1210 # probably will be soon: |
1207 # probably will be soon: |
1211 # <a href="http://www.horaoficial.cl/cambio.htm"> |
1208 # <a href="http://www.horaoficial.cl/cambio.htm"> |
1212 # http://www.horaoficial.cl/cambio.htm |
1209 # http://www.horaoficial.cl/cambio.htm |
1213 # </a> |
1210 # </a> |
1214 |
1211 |
1241 # 23:59:59, instead of passing to 0:00, the time should be adjusted to be 23:00 |
1238 # 23:59:59, instead of passing to 0:00, the time should be adjusted to be 23:00 |
1242 # of the same day. |
1239 # of the same day. |
1243 # b. Saturday, September 1, 2012, clocks should go forward 60 minutes; that is, |
1240 # 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 |
1241 # at 23:59:59, instead of passing to 0:00, the time should be adjusted to be |
1245 # 01:00 on September 2. |
1242 # 01:00 on September 2. |
1246 # |
1243 |
1247 # Note that...this is yet another "temporary" change that will be reevaluated |
1244 # From Steffen Thorsen (2013-02-15): |
1248 # AGAIN in 2013. |
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 |
1249 |
1250 |
1250 # NOTE: ChileAQ rules for Antarctic bases are stored separately in the |
1251 # NOTE: ChileAQ rules for Antarctic bases are stored separately in the |
1251 # 'antarctica' file. |
1252 # 'antarctica' file. |
1252 |
1253 |
1253 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
1254 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
1286 Rule Chile 2008 only - Mar 30 3:00u 0 - |
1287 Rule Chile 2008 only - Mar 30 3:00u 0 - |
1287 Rule Chile 2009 only - Mar Sun>=9 3:00u 0 - |
1288 Rule Chile 2009 only - Mar Sun>=9 3:00u 0 - |
1288 Rule Chile 2010 only - Apr Sun>=1 3:00u 0 - |
1289 Rule Chile 2010 only - Apr Sun>=1 3:00u 0 - |
1289 Rule Chile 2011 only - May Sun>=2 3:00u 0 - |
1290 Rule Chile 2011 only - May Sun>=2 3:00u 0 - |
1290 Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 S |
1291 Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 S |
1291 Rule Chile 2012 only - Apr Sun>=23 3:00u 0 - |
1292 Rule Chile 2012 max - Apr Sun>=23 3:00u 0 - |
1292 Rule Chile 2012 only - Sep Sun>=2 4:00u 1:00 S |
1293 Rule Chile 2012 max - Sep Sun>=2 4:00u 1:00 S |
1293 Rule Chile 2013 max - Mar Sun>=9 3:00u 0 - |
|
1294 Rule Chile 2013 max - Oct Sun>=9 4:00u 1:00 S |
|
1295 # IATA SSIM anomalies: (1992-02) says 1992-03-14; |
1294 # IATA SSIM anomalies: (1992-02) says 1992-03-14; |
1296 # (1996-09) says 1998-03-08. Ignore these. |
1295 # (1996-09) says 1998-03-08. Ignore these. |
1297 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1296 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1298 Zone America/Santiago -4:42:46 - LMT 1890 |
1297 Zone America/Santiago -4:42:46 - LMT 1890 |
1299 -4:42:46 - SMT 1910 # Santiago Mean Time |
1298 -4:42:46 - SMT 1910 # Santiago Mean Time |
1311 # Sala y Gomez Island is like Pacific/Easter. |
1310 # Sala y Gomez Island is like Pacific/Easter. |
1312 # Other Chilean locations, including Juan Fernandez Is, San Ambrosio, |
1311 # Other Chilean locations, including Juan Fernandez Is, San Ambrosio, |
1313 # San Felix, and Antarctic bases, are like America/Santiago. |
1312 # San Felix, and Antarctic bases, are like America/Santiago. |
1314 |
1313 |
1315 # Colombia |
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 |
1319 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
1317 Rule CO 1992 only - May 3 0:00 1:00 S |
1320 Rule CO 1992 only - May 3 0:00 1:00 S |
1318 Rule CO 1993 only - Apr 4 0:00 0 - |
1321 Rule CO 1993 only - Apr 4 0:00 0 - |
1319 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1322 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1320 Zone America/Bogota -4:56:20 - LMT 1884 Mar 13 |
1323 Zone America/Bogota -4:56:16 - LMT 1884 Mar 13 |
1321 -4:56:20 - BMT 1914 Nov 23 # Bogota Mean Time |
1324 -4:56:16 - BMT 1914 Nov 23 # Bogota Mean Time |
1322 -5:00 CO CO%sT # Colombia Time |
1325 -5:00 CO CO%sT # Colombia Time |
1323 # Malpelo, Providencia, San Andres |
1326 # Malpelo, Providencia, San Andres |
1324 # no information; probably like America/Bogota |
1327 # no information; probably like America/Bogota |
1325 |
1328 |
1326 # Curacao |
1329 # Curacao |
|
1330 |
|
1331 # Milne gives 4:35:46.9 for Curacao mean time; round to nearest. |
1327 # |
1332 # |
1328 # From Paul Eggert (2006-03-22): |
1333 # From Paul Eggert (2006-03-22): |
1329 # Shanks & Pottenger say that The Bottom and Philipsburg have been at |
1334 # 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 |
1335 # -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 |
1336 # Kralendijk and Rincon used Kralendijk Mean Time (-4:33:08) from |
1338 # Bonaire, Saba and St Eustatius would become directly part of the |
1343 # Bonaire, Saba and St Eustatius would become directly part of the |
1339 # Netherlands as Kingdom Islands. This won't affect their time zones |
1344 # Netherlands as Kingdom Islands. This won't affect their time zones |
1340 # though, as far as we know. |
1345 # though, as far as we know. |
1341 # |
1346 # |
1342 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1347 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1343 Zone America/Curacao -4:35:44 - LMT 1912 Feb 12 # Willemstad |
1348 Zone America/Curacao -4:35:47 - LMT 1912 Feb 12 # Willemstad |
1344 -4:30 - ANT 1965 # Netherlands Antilles Time |
1349 -4:30 - ANT 1965 # Netherlands Antilles Time |
1345 -4:00 - AST |
1350 -4:00 - AST |
1346 |
1351 |
1347 # From Arthur David Olson (2011-06-15): |
1352 # From Arthur David Olson (2011-06-15): |
1348 # At least for now, use links for places with new iso3166 codes. |
1353 # At least for now, use links for places with new iso3166 codes. |
1351 |
1356 |
1352 Link America/Curacao America/Lower_Princes # Sint Maarten |
1357 Link America/Curacao America/Lower_Princes # Sint Maarten |
1353 Link America/Curacao America/Kralendijk # Bonaire, Sint Estatius and Saba |
1358 Link America/Curacao America/Kralendijk # Bonaire, Sint Estatius and Saba |
1354 |
1359 |
1355 # Ecuador |
1360 # Ecuador |
|
1361 # |
|
1362 # Milne says the Sentral and South American Telegraph Company used -5:24:15. |
1356 # |
1363 # |
1357 # From Paul Eggert (2007-03-04): |
1364 # From Paul Eggert (2007-03-04): |
1358 # Apparently Ecuador had a failed experiment with DST in 1992. |
1365 # Apparently Ecuador had a failed experiment with DST in 1992. |
1359 # <http://midena.gov.ec/content/view/1261/208/> (2007-02-27) and |
1366 # <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 |
1367 # <http://www.hoy.com.ec/NoticiaNue.asp?row_id=249856> (2006-11-06) both |
1557 # April of this year (2010), the official time is to be set back 60 minutes, |
1564 # 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 |
1565 # 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. |
1566 # forward 60 minutes, in all the territory of the Paraguayan Republic. |
1560 # ... |
1567 # ... |
1561 Rule Para 2010 max - Oct Sun>=1 0:00 1:00 S |
1568 Rule Para 2010 max - Oct Sun>=1 0:00 1:00 S |
1562 Rule Para 2010 max - Apr Sun>=8 0:00 0 - |
1569 Rule Para 2010 2012 - 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 # http://www.ande.gov.py/interna.php?id=1075 |
|
1574 # |
|
1575 # From Carlos Raul Perasso (2013-03-15): |
|
1576 # The change in Paraguay is now final. Decree number 10780 |
|
1577 # http://www.presidencia.gov.py/uploads/pdf/presidencia-3b86ff4b691c79d4f5927ca964922ec74772ce857c02ca054a52a37b49afc7fb.pdf |
|
1578 Rule Para 2013 max - Mar Sun>=22 0:00 0 - |
1563 |
1579 |
1564 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1580 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1565 Zone America/Asuncion -3:50:40 - LMT 1890 |
1581 Zone America/Asuncion -3:50:40 - LMT 1890 |
1566 -3:50:40 - AMT 1931 Oct 10 # Asuncion Mean Time |
1582 -3:50:40 - AMT 1931 Oct 10 # Asuncion Mean Time |
1567 -4:00 - PYT 1972 Oct # Paraguay Time |
1583 -4:00 - PYT 1972 Oct # Paraguay Time |