Lines Matching +full:32 +full:- +full:rail
4 # 2009-05-17 by Arthur David Olson.
11 # From Paul Eggert (2016-12-05):
26 # Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94.
29 # These tables use numeric abbreviations like -03 and -0330 for
40 # From Bob Devine (1988-01-28):
44 # From U. S. Naval Observatory (1988-01-19):
47 # From Hernan G. Otero (1995-06-26):
51 # Rule NAME FROM TO - IN ON AT SAVE LETTER/S
52 Rule Arg 1930 only - Dec 1 0:00 1:00 -
53 Rule Arg 1931 only - Apr 1 0:00 0 -
54 Rule Arg 1931 only - Oct 15 0:00 1:00 -
55 Rule Arg 1932 1940 - Mar 1 0:00 0 -
56 Rule Arg 1932 1939 - Nov 1 0:00 1:00 -
57 Rule Arg 1940 only - Jul 1 0:00 1:00 -
58 Rule Arg 1941 only - Jun 15 0:00 0 -
59 Rule Arg 1941 only - Oct 15 0:00 1:00 -
60 Rule Arg 1943 only - Aug 1 0:00 0 -
61 Rule Arg 1943 only - Oct 15 0:00 1:00 -
62 Rule Arg 1946 only - Mar 1 0:00 0 -
63 Rule Arg 1946 only - Oct 1 0:00 1:00 -
64 Rule Arg 1963 only - Oct 1 0:00 0 -
65 Rule Arg 1963 only - Dec 15 0:00 1:00 -
66 Rule Arg 1964 1966 - Mar 1 0:00 0 -
67 Rule Arg 1964 1966 - Oct 15 0:00 1:00 -
68 Rule Arg 1967 only - Apr 2 0:00 0 -
69 Rule Arg 1967 1968 - Oct Sun>=1 0:00 1:00 -
70 Rule Arg 1968 1969 - Apr Sun>=1 0:00 0 -
71 Rule Arg 1974 only - Jan 23 0:00 1:00 -
72 Rule Arg 1974 only - May 1 0:00 0 -
73 Rule Arg 1988 only - Dec 1 0:00 1:00 -
75 # From Hernan G. Otero (1995-06-26):
80 Rule Arg 1989 1993 - Mar Sun>=1 0:00 0 -
81 Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 -
83 # From Hernan G. Otero (1995-06-26):
88 # From Rives McDow (2000-01-10):
92 Rule Arg 1999 only - Oct Sun>=1 0:00 1:00 -
93 # From Paul Eggert (2007-12-28):
97 Rule Arg 2000 only - Mar 3 0:00 0 -
99 # From Peter Gradelski via Steffen Thorsen (2000-03-01):
102 # So Buenos Aires should be -3 hours from GMT at all times.
104 # From Fabián L. Arce Jofré (2000-04-04):
109 # From Mariano Absatz (2001-06-06):
113 # http://ar.clarin.com/diario/2001-06-06/e-01701.htm
114 # ... The Law itself is "Ley No. 25155", sanctioned on 1999-08-25, enacted
115 # 1999-09-17, and published 1999-09-21. The official publication is at:
116 # http://www.boletin.jus.gov.ar/BON/Primera/1999/09-Septiembre/21/PDF/BO21-09-99LEG.PDF
117 # Regretfully, you have to subscribe (and pay) for the on-line version....
119 # (2001-06-12):
122 # http://ar.clarin.com/diario/2001-06-12/s-03501.htm
124 # (2001-06-25):
127 # http://www.clarin.com.ar/diario/2001-06-22/s-03601.htm
130 # We are still -03:00 all year round in all of the country.
132 # From Steffen Thorsen (2007-12-21):
134 # all of the country (all Zone-entries) are affected. News reports like
139 # From Jesper Nørgaard Welen (2007-12-26)
147 # From Paul Eggert (2007-12-22):
148 # For dates after mid-2008, the following rules are my guesses and
151 # From Alexander Krivenyshev (2008-09-05):
158 # From Juan Manuel Docile in https://bugs.gentoo.org/240339 (2008-10-07)
161 # http://www.infoleg.gov.ar/infolegInternet/anexos/60000-64999/60036/norma.htm
163 # http://www.infoleg.gov.ar/infolegInternet/anexos/135000-139999/136191/norma.htm
166 # From Mariano Absatz (2008-10-20):
168 # in Argentina from 2008-10-19 until 2009-03-15.
180 # http://www.jujuy.gov.ar/index2/partes_prensa/18_10_08/235-181008.doc
182 # From fullinet (2009-10-18):
195 Rule Arg 2007 only - Dec 30 0:00 1:00 -
196 Rule Arg 2008 2009 - Mar Sun>=15 0:00 0 -
197 Rule Arg 2008 only - Oct Sun>=15 0:00 1:00 -
199 # From Mariano Absatz (2004-05-21):
202 # http://www.gobernac.mendoza.gov.ar/boletin/pdf/20040521-27158-normas.pdf
203 # From Paul Eggert (2004-05-24):
207 # From Paul Eggert (2018-01-31):
209 # http://buenasiembra.com.ar/esoterismo/astrologia/hora-de-verano-de-la-republica-argentina-27.html
210 # says that standard time in Argentina from 1894-10-31
211 # to 1920-05-01 was -4:16:48.25. Go with this more precise value
213 # says Córdoba time was -4:16:48.2.
216 # From Mariano Absatz (2004-06-05):
221 # The following eight (8) provinces pulled clocks back to UTC-04:00 at
223 # Apparently, all nine provinces would go back to UTC-03:00 at the same
229 # From Mariano Absatz (2004-06-14):
230 # ... this weekend, the Province of Tucumán decided it'd go back to UTC-03:00
234 # From Gwillim Law (2004-06-14):
245 # Fuego set its clocks back at 2004-05-30 00:00.
247 # From Steffen Thorsen (2004-10-05):
250 # new end date to 2004-09-26 (original date was 2004-10-17).
251 # http://www.gobernac.mendoza.gov.ar/boletin/pdf/20040924-27244-normas.pdf
253 # From Mariano Absatz (2004-10-05):
254 # San Juan changed from UTC-03:00 to UTC-04:00 at midnight between
255 # Sunday, May 30th and Monday, May 31st. It changed back to UTC-03:00
261 # From Alex Krivenyshev (2008-01-17):
272 … https://www.lagaceta.com.ar/nota/253414/Economia/Es-inminente-que-en-San-Luis-atrasen-una-hora-lo…
275 # From Jesper Nørgaard Welen (2008-01-18):
290 # From Jesper Nørgaard Welen (2008-01-25):
301 # From Mariano Absatz (2008-01-28):
303 # province) decided to go back to UTC-3 effective midnight Jan 20th 2008
305 # 1 hour), and they intend to keep UTC-3 as their timezone all year round
311 # history of particular changes goes along with Mendoza or San Juan :-(
313 # back in 2004, when these provinces changed to UTC-4 for a few days, I
316 # From Paul Eggert (2014-08-12):
324 # From Mariano Absatz (2009-03-13):
325 # Yesterday (with our usual 2-day notice) the Province of San Luis
326 # decided that next Sunday instead of "staying" @utc-03:00 they will go
327 # to utc-04:00 until the second Saturday in October...
345 # From Mariano Absatz (2009-10-16):
364 # In fact, San Luis actually switched from UTC-4 to UTC-3 last Sunday
371 # From Alexander Krivenyshev (2010-04-09):
373 # Luis, Argentina (standard time UTC-04) will keep Daylight Saving Time
374 # after April 11, 2010 - will continue to have same time as rest of
375 # Argentina (UTC-3) (no DST).
382 # From Mariano Absatz (2010-04-12):
384 # UTC-03:00 "summer time", we should't just let San Luis go back to "Arg"
388 # From Paul Eggert (2018-01-23):
389 # Perhaps San Luis operates on the legal fiction that it is at -04
391 # just say it's at -03; see, for example,
402 Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31
403 #STDOFF -4:16:48.25
404 -4:16:48 - CMT 1920 May # Córdoba Mean Time
405 -4:00 - %z 1930 Dec
406 -4:00 Arg %z 1969 Oct 5
407 -3:00 Arg %z 1999 Oct 3
408 -4:00 Arg %z 2000 Mar 3
409 -3:00 Arg %z
415 # - Formosa switched to -3:00 on 1991-01-07.
416 # - Misiones switched to -3:00 on 1990-12-29.
417 # - Chaco switched to -3:00 on 1991-01-04.
418 # - Santiago del Estero switched to -4:00 on 1991-04-01,
419 # then to -3:00 on 1991-04-26.
421 #STDOFF -4:16:48.25
422 Zone America/Argentina/Cordoba -4:16:48 - LMT 1894 Oct 31
423 -4:16:48 - CMT 1920 May
424 -4:00 - %z 1930 Dec
425 -4:00 Arg %z 1969 Oct 5
426 -3:00 Arg %z 1991 Mar 3
427 -4:00 - %z 1991 Oct 20
428 -3:00 Arg %z 1999 Oct 3
429 -4:00 Arg %z 2000 Mar 3
430 -3:00 Arg %z
433 Zone America/Argentina/Salta -4:21:40 - LMT 1894 Oct 31
434 #STDOFF -4:16:48.25
435 -4:16:48 - CMT 1920 May
436 -4:00 - %z 1930 Dec
437 -4:00 Arg %z 1969 Oct 5
438 -3:00 Arg %z 1991 Mar 3
439 -4:00 - %z 1991 Oct 20
440 -3:00 Arg %z 1999 Oct 3
441 -4:00 Arg %z 2000 Mar 3
442 -3:00 Arg %z 2008 Oct 18
443 -3:00 - %z
446 Zone America/Argentina/Tucuman -4:20:52 - LMT 1894 Oct 31
447 #STDOFF -4:16:48.25
448 -4:16:48 - CMT 1920 May
449 -4:00 - %z 1930 Dec
450 -4:00 Arg %z 1969 Oct 5
451 -3:00 Arg %z 1991 Mar 3
452 -4:00 - %z 1991 Oct 20
453 -3:00 Arg %z 1999 Oct 3
454 -4:00 Arg %z 2000 Mar 3
455 -3:00 - %z 2004 Jun 1
456 -4:00 - %z 2004 Jun 13
457 -3:00 Arg %z
460 Zone America/Argentina/La_Rioja -4:27:24 - LMT 1894 Oct 31
461 #STDOFF -4:16:48.25
462 -4:16:48 - CMT 1920 May
463 -4:00 - %z 1930 Dec
464 -4:00 Arg %z 1969 Oct 5
465 -3:00 Arg %z 1991 Mar 1
466 -4:00 - %z 1991 May 7
467 -3:00 Arg %z 1999 Oct 3
468 -4:00 Arg %z 2000 Mar 3
469 -3:00 - %z 2004 Jun 1
470 -4:00 - %z 2004 Jun 20
471 -3:00 Arg %z 2008 Oct 18
472 -3:00 - %z
475 Zone America/Argentina/San_Juan -4:34:04 - LMT 1894 Oct 31
476 #STDOFF -4:16:48.25
477 -4:16:48 - CMT 1920 May
478 -4:00 - %z 1930 Dec
479 -4:00 Arg %z 1969 Oct 5
480 -3:00 Arg %z 1991 Mar 1
481 -4:00 - %z 1991 May 7
482 -3:00 Arg %z 1999 Oct 3
483 -4:00 Arg %z 2000 Mar 3
484 -3:00 - %z 2004 May 31
485 -4:00 - %z 2004 Jul 25
486 -3:00 Arg %z 2008 Oct 18
487 -3:00 - %z
490 Zone America/Argentina/Jujuy -4:21:12 - LMT 1894 Oct 31
491 #STDOFF -4:16:48.25
492 -4:16:48 - CMT 1920 May
493 -4:00 - %z 1930 Dec
494 -4:00 Arg %z 1969 Oct 5
495 -3:00 Arg %z 1990 Mar 4
496 -4:00 - %z 1990 Oct 28
497 -4:00 1:00 %z 1991 Mar 17
498 -4:00 - %z 1991 Oct 6
499 -3:00 1:00 %z 1992
500 -3:00 Arg %z 1999 Oct 3
501 -4:00 Arg %z 2000 Mar 3
502 -3:00 Arg %z 2008 Oct 18
503 -3:00 - %z
506 Zone America/Argentina/Catamarca -4:23:08 - LMT 1894 Oct 31
507 #STDOFF -4:16:48.25
508 -4:16:48 - CMT 1920 May
509 -4:00 - %z 1930 Dec
510 -4:00 Arg %z 1969 Oct 5
511 -3:00 Arg %z 1991 Mar 3
512 -4:00 - %z 1991 Oct 20
513 -3:00 Arg %z 1999 Oct 3
514 -4:00 Arg %z 2000 Mar 3
515 -3:00 - %z 2004 Jun 1
516 -4:00 - %z 2004 Jun 20
517 -3:00 Arg %z 2008 Oct 18
518 -3:00 - %z
521 Zone America/Argentina/Mendoza -4:35:16 - LMT 1894 Oct 31
522 #STDOFF -4:16:48.25
523 -4:16:48 - CMT 1920 May
524 -4:00 - %z 1930 Dec
525 -4:00 Arg %z 1969 Oct 5
526 -3:00 Arg %z 1990 Mar 4
527 -4:00 - %z 1990 Oct 15
528 -4:00 1:00 %z 1991 Mar 1
529 -4:00 - %z 1991 Oct 15
530 -4:00 1:00 %z 1992 Mar 1
531 -4:00 - %z 1992 Oct 18
532 -3:00 Arg %z 1999 Oct 3
533 -4:00 Arg %z 2000 Mar 3
534 -3:00 - %z 2004 May 23
535 -4:00 - %z 2004 Sep 26
536 -3:00 Arg %z 2008 Oct 18
537 -3:00 - %z
541 Rule SanLuis 2008 2009 - Mar Sun>=8 0:00 0 -
542 Rule SanLuis 2007 2008 - Oct Sun>=8 0:00 1:00 -
544 Zone America/Argentina/San_Luis -4:25:24 - LMT 1894 Oct 31
545 #STDOFF -4:16:48.25
546 -4:16:48 - CMT 1920 May
547 -4:00 - %z 1930 Dec
548 -4:00 Arg %z 1969 Oct 5
549 -3:00 Arg %z 1990
550 -3:00 1:00 %z 1990 Mar 14
551 -4:00 - %z 1990 Oct 15
552 -4:00 1:00 %z 1991 Mar 1
553 -4:00 - %z 1991 Jun 1
554 -3:00 - %z 1999 Oct 3
555 -4:00 1:00 %z 2000 Mar 3
556 -3:00 - %z 2004 May 31
557 -4:00 - %z 2004 Jul 25
558 -3:00 Arg %z 2008 Jan 21
559 -4:00 SanLuis %z 2009 Oct 11
560 -3:00 - %z
563 Zone America/Argentina/Rio_Gallegos -4:36:52 - LMT 1894 Oct 31
564 #STDOFF -4:16:48.25
565 -4:16:48 - CMT 1920 May
566 -4:00 - %z 1930 Dec
567 -4:00 Arg %z 1969 Oct 5
568 -3:00 Arg %z 1999 Oct 3
569 -4:00 Arg %z 2000 Mar 3
570 -3:00 - %z 2004 Jun 1
571 -4:00 - %z 2004 Jun 20
572 -3:00 Arg %z 2008 Oct 18
573 -3:00 - %z
576 Zone America/Argentina/Ushuaia -4:33:12 - LMT 1894 Oct 31
577 #STDOFF -4:16:48.25
578 -4:16:48 - CMT 1920 May
579 -4:00 - %z 1930 Dec
580 -4:00 Arg %z 1969 Oct 5
581 -3:00 Arg %z 1999 Oct 3
582 -4:00 Arg %z 2000 Mar 3
583 -3:00 - %z 2004 May 30
584 -4:00 - %z 2004 Jun 20
585 -3:00 Arg %z 2008 Oct 18
586 -3:00 - %z
590 Zone America/La_Paz -4:32:36 - LMT 1890
591 -4:32:36 - CMT 1931 Oct 15 # Calamarca MT
592 -4:32:36 1:00 BST 1932 Mar 21 # Bolivia ST
593 -4:00 - %z
597 # From Paul Eggert (1993-11-18):
604 # From IATA SSIM (1996-02):
611 # From Gwillim Law (1996-10-07):
618 # (UTC-4).... The other two time zones given for Brazil are BR3, which is
619 # UTC-5, no DST, and applies only in the state of Acre (AC); and BR4, which is
620 # UTC-2, and applies to Fernando de Noronha (formerly FN, but I believe it's
630 # From Marcos Tadeu (1998-09-27):
633 # From Jesper Nørgaard (2000-11-03):
638 # From Celso Doria via David Madeo (2002-10-09):
645 # counting (or re-counting) votes anymore and we know there will be a second
655 # From Rodrigo Severo (2004-10-04):
660 # From Steffen Thorsen (2007-09-20):
661 # Brazil will start DST on 2007-10-14 00:00 and end on 2008-02-17 00:00:
664 # From Paul Schulze (2008-06-24):
683 # From Rodrigo Severo (2008-06-24):
688 # timezone shall be modified from UTC-5 to UTC-4 and a new timezone shall
694 # the 2008/06/24 change which would be to UTC-3 instead of UTC-4.
696 # From Alex Krivenyshev (2008-06-24):
698 # http://www.worldtimezone.com/brazil-time-new-old.php
700 # - 4 time zones replaced by 3 time zones - eliminating time zone UTC-05
701 # (state Acre and the part of the Amazonas will be UTC/GMT-04) - western
702 # part of Par state is moving to one timezone UTC-03 (from UTC-04).
704 # From Paul Eggert (2002-10-10):
709 # From Steffen Thorsen (2008-08-29):
711 # yesterday, Brazil will start DST on 2008-10-19 (need to change rule) and
712 # it will end on 2009-02-15 (current rule for Brazil is fine). Based on
729 # https://www.timeanddate.com/news/time/brazil-dst-2008-2009.html
731 # From Alexander Krivenyshev (2011-10-04):
737 # http://g1.globo.com/bahia/noticia/2011/10/governador-jaques-wagner-confirma-horario-de-verao-na-b…
738 # https://noticias.terra.com.br/brasil/noticias/0,,OI5390887-EI8139,00-Bahia+volta+a+ter+horario+de…
740 # From Guilherme Bernardes Rodrigues (2011-10-07):
742 # I just send a e-mail to Zulmira Brandao at http://pcdsh01.on.br/ the
746 # From Guilherme Bernardes Rodrigues (2011-10-14)
756 # From Kelley Cook (2012-10-16):
760 # http://www.correio24horas.com.br/r/artigo/apos-pressoes-wagner-suspende-horario-de-verao-na-bahia
762 # From Rodrigo Severo (2012-10-16):
764 # https://noticias.terra.com.br/brasil/noticias/0,,OI6232536-EI306.html
766 # From Steffen Thorsen (2013-09-20):
768 …aoto.com.br/2013/09/18/ministerio-confirma-que-tocantins-esta-fora-do-horario-de-verao-em-2013-mas…
770 # https://www.timeanddate.com/news/time/brazil-starts-dst-2013.html
772 # From Steffen Thorsen (2013-10-17):
773 # https://www.timeanddate.com/news/time/acre-amazonas-change-time-zone.html
778 # From Paul Eggert (2013-10-17):
781 # Rule NAME FROM TO - IN ON AT SAVE LETTER/S
782 # Decree 20,466 <http://pcdsh01.on.br/HV20466.htm> (1931-10-01)
783 # Decree 21,896 <http://pcdsh01.on.br/HV21896.htm> (1932-01-10)
784 Rule Brazil 1931 only - Oct 3 11:00 1:00 -
785 Rule Brazil 1932 1933 - Apr 1 0:00 0 -
786 Rule Brazil 1932 only - Oct 3 0:00 1:00 -
787 # Decree 23,195 <http://pcdsh01.on.br/HV23195.htm> (1933-10-10)
789 # Decree 27,496 <http://pcdsh01.on.br/HV27496.htm> (1949-11-24)
790 # Decree 27,998 <http://pcdsh01.on.br/HV27998.htm> (1950-04-13)
791 Rule Brazil 1949 1952 - Dec 1 0:00 1:00 -
792 Rule Brazil 1950 only - Apr 16 1:00 0 -
793 Rule Brazil 1951 1952 - Apr 1 0:00 0 -
794 # Decree 32,308 <http://pcdsh01.on.br/HV32308.htm> (1953-02-24)
795 Rule Brazil 1953 only - Mar 1 0:00 0 -
796 # Decree 34,724 <http://pcdsh01.on.br/HV34724.htm> (1953-11-30)
798 # Decree 52,700 <http://pcdsh01.on.br/HV52700.htm> (1963-10-18)
799 # established DST from 1963-10-23 00:00 to 1964-02-29 00:00
801 # Decree 53,071 <http://pcdsh01.on.br/HV53071.htm> (1963-12-03)
802 # extended the above decree to all of the national territory on 12-09.
803 Rule Brazil 1963 only - Dec 9 0:00 1:00 -
804 # Decree 53,604 <http://pcdsh01.on.br/HV53604.htm> (1964-02-25)
805 # extended summer time by one day to 1964-03-01 00:00 (start of school).
806 Rule Brazil 1964 only - Mar 1 0:00 0 -
807 # Decree 55,639 <http://pcdsh01.on.br/HV55639.htm> (1965-01-27)
808 Rule Brazil 1965 only - Jan 31 0:00 1:00 -
809 Rule Brazil 1965 only - Mar 31 0:00 0 -
810 # Decree 57,303 <http://pcdsh01.on.br/HV57303.htm> (1965-11-22)
811 Rule Brazil 1965 only - Dec 1 0:00 1:00 -
812 # Decree 57,843 <http://pcdsh01.on.br/HV57843.htm> (1966-02-18)
813 Rule Brazil 1966 1968 - Mar 1 0:00 0 -
814 Rule Brazil 1966 1967 - Nov 1 0:00 1:00 -
815 # Decree 63,429 <http://pcdsh01.on.br/HV63429.htm> (1968-10-15)
817 # Decree 91,698 <http://pcdsh01.on.br/HV91698.htm> (1985-09-27)
818 Rule Brazil 1985 only - Nov 2 0:00 1:00 -
819 # Decree 92,310 (1986-01-21)
820 # Decree 92,463 (1986-03-13)
821 Rule Brazil 1986 only - Mar 15 0:00 0 -
822 # Decree 93,316 (1986-10-01)
823 Rule Brazil 1986 only - Oct 25 0:00 1:00 -
824 Rule Brazil 1987 only - Feb 14 0:00 0 -
825 # Decree 94,922 <http://pcdsh01.on.br/HV94922.htm> (1987-09-22)
826 Rule Brazil 1987 only - Oct 25 0:00 1:00 -
827 Rule Brazil 1988 only - Feb 7 0:00 0 -
828 # Decree 96,676 <http://pcdsh01.on.br/HV96676.htm> (1988-09-12)
830 Rule Brazil 1988 only - Oct 16 0:00 1:00 -
831 Rule Brazil 1989 only - Jan 29 0:00 0 -
832 # Decree 98,077 <http://pcdsh01.on.br/HV98077.htm> (1989-08-21)
834 Rule Brazil 1989 only - Oct 15 0:00 1:00 -
835 Rule Brazil 1990 only - Feb 11 0:00 0 -
836 # Decree 99,530 <http://pcdsh01.on.br/HV99530.htm> (1990-09-17)
838 # Decree 99,629 (1990-10-19) adds BA, MT.
839 Rule Brazil 1990 only - Oct 21 0:00 1:00 -
840 Rule Brazil 1991 only - Feb 17 0:00 0 -
841 # Unnumbered decree <http://pcdsh01.on.br/HV1991.htm> (1991-09-25)
843 Rule Brazil 1991 only - Oct 20 0:00 1:00 -
844 Rule Brazil 1992 only - Feb 9 0:00 0 -
845 # Unnumbered decree <http://pcdsh01.on.br/HV1992.htm> (1992-10-16)
847 Rule Brazil 1992 only - Oct 25 0:00 1:00 -
848 Rule Brazil 1993 only - Jan 31 0:00 0 -
849 # Decree 942 <http://pcdsh01.on.br/HV942.htm> (1993-09-28)
851 # Decree 1,252 <http://pcdsh01.on.br/HV1252.htm> (1994-09-22;
852 # web page corrected 2004-01-07) adopted by same states, minus AM.
853 # Decree 1,636 <http://pcdsh01.on.br/HV1636.htm> (1995-09-14)
855 # Decree 1,674 <http://pcdsh01.on.br/HV1674.htm> (1995-10-13)
857 Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 -
858 Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 -
859 Rule Brazil 1996 only - Feb 11 0:00 0 -
860 # Decree 2,000 <http://pcdsh01.on.br/HV2000.htm> (1996-09-04)
862 Rule Brazil 1996 only - Oct 6 0:00 1:00 -
863 Rule Brazil 1997 only - Feb 16 0:00 0 -
864 # From Daniel C. Sobral (1998-02-12):
871 # Decree 2,317 (1997-09-04), adopted by same states.
872 Rule Brazil 1997 only - Oct 6 0:00 1:00 -
874 # (1998-02-10)
875 Rule Brazil 1998 only - Mar 1 0:00 0 -
876 # Decree 2,780 <http://pcdsh01.on.br/figuras/Hv98.jpg> (1998-09-11)
878 Rule Brazil 1998 only - Oct 11 0:00 1:00 -
879 Rule Brazil 1999 only - Feb 21 0:00 0 -
881 # (1999-08-23) adopted by same states.
882 # Decree 3,188 <http://pcdsh01.on.br/DecHV99.gif> (1999-09-30)
884 Rule Brazil 1999 only - Oct 3 0:00 1:00 -
885 Rule Brazil 2000 only - Feb 27 0:00 0 -
886 # Decree 3,592 <http://pcdsh01.on.br/DEC3592.htm> (2000-09-06)
888 # Decree 3,630 <http://pcdsh01.on.br/Dec3630.jpg> (2000-10-13)
889 # repeals DST in PE and RR, effective 2000-10-15 00:00.
890 # Decree 3,632 <http://pcdsh01.on.br/Dec3632.jpg> (2000-10-17)
891 # repeals DST in SE, AL, PB, RN, CE, PI and MA, effective 2000-10-22 00:00.
893 # (2001-09-13) reestablishes DST in AL, CE, MA, PB, PE, PI, RN, SE.
894 Rule Brazil 2000 2001 - Oct Sun>=8 0:00 1:00 -
895 Rule Brazil 2001 2006 - Feb Sun>=15 0:00 0 -
896 # Decree 4,399 (2002-10-01) repeals DST in AL, CE, MA, PB, PE, PI, RN, SE.
898 Rule Brazil 2002 only - Nov 3 0:00 1:00 -
899 # Decree 4,844 (2003-09-24; corrected 2003-09-26) repeals DST in BA, MT, TO.
901 Rule Brazil 2003 only - Oct 19 0:00 1:00 -
902 # Decree 5,223 (2004-10-01) reestablishes DST in MT.
903 # 5,223 <http://www.planalto.gov.br/ccivil_03/_Ato2004-2006/2004/Decreto/D5223.htm>
904 Rule Brazil 2004 only - Nov 2 0:00 1:00 -
905 # Decree 5,539 <http://pcdsh01.on.br/DecHV5539.gif> (2005-09-19),
907 Rule Brazil 2005 only - Oct 16 0:00 1:00 -
908 # Decree 5,920 <http://pcdsh01.on.br/DecHV5920.gif> (2006-10-03),
910 Rule Brazil 2006 only - Nov 5 0:00 1:00 -
911 Rule Brazil 2007 only - Feb 25 0:00 0 -
912 # Decree 6,212 <http://pcdsh01.on.br/DecHV6212.gif> (2007-09-26),
914 Rule Brazil 2007 only - Oct Sun>=8 0:00 1:00 -
915 # From Frederico A. C. Neves (2008-09-10):
917 # http://www.planalto.gov.br/ccivil_03/_Ato2007-2010/2008/Decreto/D6558.htm
921 Rule Brazil 2008 2017 - Oct Sun>=15 0:00 1:00 -
922 Rule Brazil 2008 2011 - Feb Sun>=15 0:00 0 -
923 # Decree 7,584 <http://pcdsh01.on.br/HVdecreto7584_20111013.jpg> (2011-10-13)
925 Rule Brazil 2012 only - Feb Sun>=22 0:00 0 -
926 # Decree 7,826 <http://pcdsh01.on.br/HVdecreto7826_20121015.jpg> (2012-10-15)
928 # Decree 8,112 <http://pcdsh01.on.br/HVdecreto8112_20130930.JPG> (2013-09-30)
930 Rule Brazil 2013 2014 - Feb Sun>=15 0:00 0 -
931 Rule Brazil 2015 only - Feb Sun>=22 0:00 0 -
932 Rule Brazil 2016 2019 - Feb Sun>=15 0:00 0 -
933 # From Steffen Thorsen (2017-12-18):
936 # ... https://www.timeanddate.com/news/time/brazil-delays-dst-2018.html
937 # From Steffen Thorsen (2017-12-20):
938 # http://www.planalto.gov.br/ccivil_03/_ato2015-2018/2017/decreto/D9242.htm
939 # From Fábio Gomes (2018-10-04):
942 # From Rodrigo Brüning Wessler (2018-10-15):
946 Rule Brazil 2018 only - Nov Sun>=1 0:00 1:00 -
950 # From Steffen Thorsen (2019-04-05):
952 # https://gmconline.com.br/noticias/politica/bolsonaro-horario-de-verao-deve-acabar-este-ano
953 # https://g1.globo.com/economia/noticia/2019/04/05/governo-anuncia-fim-do-horario-de-verao.ghtml
954 # From Marcus Diniz (2019-04-25):
955 # Brazil no longer has DST changes - decree signed today
956 …ps://g1.globo.com/politica/noticia/2019/04/25/bolsonaro-assina-decreto-que-acaba-com-o-horario-de-…
957 # From Daniel Soares de Oliveira (2019-04-26):
958 # http://www.planalto.gov.br/ccivil_03/_Ato2019-2022/2019/Decreto/D9772.htm
963 Zone America/Noronha -2:09:40 - LMT 1914
964 -2:00 Brazil %z 1990 Sep 17
965 -2:00 - %z 1999 Sep 30
966 -2:00 Brazil %z 2000 Oct 15
967 -2:00 - %z 2001 Sep 13
968 -2:00 Brazil %z 2002 Oct 1
969 -2:00 - %z
973 # Fernando de Noronha was a separate territory from 1942-09-02 to 1989-01-01;
981 Zone America/Belem -3:13:56 - LMT 1914
982 -3:00 Brazil %z 1988 Sep 12
983 -3:00 - %z
987 Zone America/Santarem -3:38:48 - LMT 1914
988 -4:00 Brazil %z 1988 Sep 12
989 -4:00 - %z 2008 Jun 24 0:00
990 -3:00 - %z
994 Zone America/Fortaleza -2:34:00 - LMT 1914
995 -3:00 Brazil %z 1990 Sep 17
996 -3:00 - %z 1999 Sep 30
997 -3:00 Brazil %z 2000 Oct 22
998 -3:00 - %z 2001 Sep 13
999 -3:00 Brazil %z 2002 Oct 1
1000 -3:00 - %z
1003 Zone America/Recife -2:19:36 - LMT 1914
1004 -3:00 Brazil %z 1990 Sep 17
1005 -3:00 - %z 1999 Sep 30
1006 -3:00 Brazil %z 2000 Oct 15
1007 -3:00 - %z 2001 Sep 13
1008 -3:00 Brazil %z 2002 Oct 1
1009 -3:00 - %z
1012 Zone America/Araguaina -3:12:48 - LMT 1914
1013 -3:00 Brazil %z 1990 Sep 17
1014 -3:00 - %z 1995 Sep 14
1015 -3:00 Brazil %z 2003 Sep 24
1016 -3:00 - %z 2012 Oct 21
1017 -3:00 Brazil %z 2013 Sep
1018 -3:00 - %z
1021 Zone America/Maceio -2:22:52 - LMT 1914
1022 -3:00 Brazil %z 1990 Sep 17
1023 -3:00 - %z 1995 Oct 13
1024 -3:00 Brazil %z 1996 Sep 4
1025 -3:00 - %z 1999 Sep 30
1026 -3:00 Brazil %z 2000 Oct 22
1027 -3:00 - %z 2001 Sep 13
1028 -3:00 Brazil %z 2002 Oct 1
1029 -3:00 - %z
1034 Zone America/Bahia -2:34:04 - LMT 1914
1035 -3:00 Brazil %z 2003 Sep 24
1036 -3:00 - %z 2011 Oct 16
1037 -3:00 Brazil %z 2012 Oct 21
1038 -3:00 - %z
1043 Zone America/Sao_Paulo -3:06:28 - LMT 1914
1044 -3:00 Brazil %z 1963 Oct 23 0:00
1045 -3:00 1:00 %z 1964
1046 -3:00 Brazil %z
1049 Zone America/Campo_Grande -3:38:28 - LMT 1914
1050 -4:00 Brazil %z
1053 Zone America/Cuiaba -3:44:20 - LMT 1914
1054 -4:00 Brazil %z 2003 Sep 24
1055 -4:00 - %z 2004 Oct 1
1056 -4:00 Brazil %z
1059 Zone America/Porto_Velho -4:15:36 - LMT 1914
1060 -4:00 Brazil %z 1988 Sep 12
1061 -4:00 - %z
1064 Zone America/Boa_Vista -4:02:40 - LMT 1914
1065 -4:00 Brazil %z 1988 Sep 12
1066 -4:00 - %z 1999 Sep 30
1067 -4:00 Brazil %z 2000 Oct 15
1068 -4:00 - %z
1073 Zone America/Manaus -4:00:04 - LMT 1914
1074 -4:00 Brazil %z 1988 Sep 12
1075 -4:00 - %z 1993 Sep 28
1076 -4:00 Brazil %z 1994 Sep 22
1077 -4:00 - %z
1081 Zone America/Eirunepe -4:39:28 - LMT 1914
1082 -5:00 Brazil %z 1988 Sep 12
1083 -5:00 - %z 1993 Sep 28
1084 -5:00 Brazil %z 1994 Sep 22
1085 -5:00 - %z 2008 Jun 24 0:00
1086 -4:00 - %z 2013 Nov 10
1087 -5:00 - %z
1090 Zone America/Rio_Branco -4:31:12 - LMT 1914
1091 -5:00 Brazil %z 1988 Sep 12
1092 -5:00 - %z 2008 Jun 24 0:00
1093 -4:00 - %z 2013 Nov 10
1094 -5:00 - %z
1098 # From Paul Eggert (2022-03-15):
1101 # was the same offset as in 1916-1919. It also says Pacific/Easter
1105 # the following source, cited by Oscar van Vlijmen (2006-10-08):
1109 # Cambios en la hora oficial de Chile desde 1900 (retrieved 2008-03-30)
1115 # http://www.horaoficial.cl/ing/horaof_ing.html (retrieved 2012-03-06). See:
1118 # Historia de la hora oficial de Chile (retrieved 2012-10-24). See:
1120 # A fancier Spanish version (requiring mouse-clicking) is at:
1124 # - [1] says the 1910 transition was Jan 1, [2] says Jan 10 and cites
1127 # - [1] says SMT was -4:42:45, [2] says Chile's official time from
1128 # 1916 to 1919 was -4:42:46.3, the meridian of Chile's National
1133 # - [1] says the 1918 transition was Sep 1, [2] says Sep 10 and cites
1134 # Boletín No. 22, Aviso No. 129/1918 (1918-08-23). Go with [2].
1136 # - [1] does not give times for transitions; assume they occur
1138 # go with [2]'s specification of 23:00 for the 1947-05-21 transition.
1141 # wrote (2006-10-08), "I think that there are some obvious mistakes in
1143 # says that GMT-4 ended 1990-09-12 while entry 67 only begins GMT-3 at
1144 # 1990-09-15 (they should have been 1990-09-15 and 1990-09-16
1153 # From Tim Parenti (2022-07-06):
1157 # This was enacted by Decree 3,891, dated 1946-07-13, and took effect
1158 # 1946-07-14 24:00, advancing these central regions to -03.
1159 # https://www.diariooficial.interior.gob.cl/versiones-anteriores/do-h/19460715/#page/1
1163 # activities that require it, such as, for example, the operation of rail
1165 # through 1946-08-31 by Decree 4,506, dated 1946-08-13.
1166 # https://www.diariooficial.interior.gob.cl/versiones-anteriores/do-h/19460814/#page/1
1168 # Law Number 8,522, promulgated 1946-08-27, reunified Chilean clocks at their
1169 # new "Summer Time" of -04, reckoned as that of "the meridian of the
1176 # from 24:00 -03 to 23:00 -04 on Wednesday 1946-08-28. Although this was a
1177 # no-op for wall clocks in the north and south of the country, put their formal
1178 # start to DST an hour later when they reached 24:00 -04.
1179 # https://www.diariooficial.interior.gob.cl/versiones-anteriores/do-h/19460828/#page/1
1180 # After a brief "Winter Time" stint at -05 beginning 1947-04-01, Law Number
1181 # 8,777, promulgated 1947-05-17, established year-round -04 "from 23:00 on the
1183 # on Monday 1947-05-19 and so took effect from Wednesday 1947-05-21 23:00.
1184 # https://www.diariooficial.interior.gob.cl/versiones-anteriores/do-h/19470519/#page/1
1186 # From Eduardo Krell (1995-10-19):
1189 # (1998-09-29):
1191 # DST earlier (saturday 9/26 at 24:00). This is a one-time change only ...
1194 # From Julio I. Pacheco Troncoso (1999-03-18):
1196 # on April 3, (one-time change).
1198 # From Germán Poo-Caamaño (2008-03-03):
1200 # is one-time change (Saturday 3/29 at 24:00 for America/Santiago
1205 # From José Miguel Garrido (2008-03-05):
1208 # From Angel Chiang (2010-03-04):
1212 # From Arthur David Olson (2010-03-06):
1215 # From Glenn Eychaner (2011-03-28):
1216 …011/03/28/_portada/_portada/noticias/7565897A-CA86-49E6-9E03-660B21A4883E.htm?id=3D{7565897A-CA86-…
1222 # From Mauricio Parada (2012-02-22), translated by Glenn Eychaner (2012-02-23):
1224 # http://www.minenergia.cl/ministerio/noticias/generales/gobierno-anuncia-fechas-de-cambio-de.html
1237 # From Steffen Thorsen (2013-02-15):
1240 # hope to save energy. The new end date is 2013-04-28 00:00 and new
1241 # start date is 2013-09-08 00:00....
1242 # http://www.gob.cl/informa/2013/02/15/gobierno-anuncia-fechas-de-cambio-de-hora-para-el-ano-2013.h…
1244 # From José Miguel Garrido (2014-02-19):
1249 # http://www.diariooficial.interior.gob.cl//media/2014/02/19/do-20140219.pdf
1251 # From Eduardo Romero Urra (2015-03-03):
1254 # http://www.diariooficial.interior.gob.cl/media/2015/03/03/1-large.jpg
1256 # From Paul Eggert (2015-03-03):
1259 # From Juan Correa (2016-03-18):
1261 # http://www.diariooficial.interior.gob.cl/versiones-anteriores/do/20160318/
1267 # From Paul Eggert (2016-03-18):
1273 # From Juan Correa (2016-12-04):
1274 # Magallanes region ... will keep DST (UTC -3) all year round....
1275 …ntiago/Sociedad/2016/12/04/433428/Bachelet-firmo-el-decreto-para-establecer-un-horario-unico-para-…
1276 # From Deborah Goldsmith (2017-01-19):
1279 # From Juan Correa (2018-08-13):
1283 # From Yonathan Dossow (2018-08-13):
1286 # From Tim Parenti (2018-08-13):
1287 # Translating the captions on the video at 0:44-0:55, "We want to announce as
1290 # At 2:08-2:20, "The Magallanes region will maintain its current time, as
1296 # From Juan Correa (2019-02-04):
1299 # From Juan Correa (2022-04-02):
1301 # Magallanes region to UTC -3 "indefinitely". The decree is available at
1302 # https://www.diariooficial.interior.gob.cl/publicaciones/2022/03/31/43217-B/01/2108910.pdf
1304 # From Juan Correa (2022-08-09):
1308 # will keep UTC -3 "indefinitely"... This is because on September 4th
1311 # From Eduardo Romero Urra (2022-08-17):
1314 # From Paul Eggert (2022-08-17):
1318 # Rule NAME FROM TO - IN ON AT SAVE LETTER/S
1319 Rule Chile 1927 1931 - Sep 1 0:00 1:00 -
1320 Rule Chile 1928 1932 - Apr 1 0:00 0 -
1321 Rule Chile 1968 only - Nov 3 4:00u 1:00 -
1322 Rule Chile 1969 only - Mar 30 3:00u 0 -
1323 Rule Chile 1969 only - Nov 23 4:00u 1:00 -
1324 Rule Chile 1970 only - Mar 29 3:00u 0 -
1325 Rule Chile 1971 only - Mar 14 3:00u 0 -
1326 Rule Chile 1970 1972 - Oct Sun>=9 4:00u 1:00 -
1327 Rule Chile 1972 1986 - Mar Sun>=9 3:00u 0 -
1328 Rule Chile 1973 only - Sep 30 4:00u 1:00 -
1329 Rule Chile 1974 1987 - Oct Sun>=9 4:00u 1:00 -
1330 Rule Chile 1987 only - Apr 12 3:00u 0 -
1331 Rule Chile 1988 1990 - Mar Sun>=9 3:00u 0 -
1332 Rule Chile 1988 1989 - Oct Sun>=9 4:00u 1:00 -
1333 Rule Chile 1990 only - Sep 16 4:00u 1:00 -
1334 Rule Chile 1991 1996 - Mar Sun>=9 3:00u 0 -
1335 Rule Chile 1991 1997 - Oct Sun>=9 4:00u 1:00 -
1336 Rule Chile 1997 only - Mar 30 3:00u 0 -
1337 Rule Chile 1998 only - Mar Sun>=9 3:00u 0 -
1338 Rule Chile 1998 only - Sep 27 4:00u 1:00 -
1339 Rule Chile 1999 only - Apr 4 3:00u 0 -
1340 Rule Chile 1999 2010 - Oct Sun>=9 4:00u 1:00 -
1341 Rule Chile 2000 2007 - Mar Sun>=9 3:00u 0 -
1344 Rule Chile 2008 only - Mar 30 3:00u 0 -
1345 Rule Chile 2009 only - Mar Sun>=9 3:00u 0 -
1346 Rule Chile 2010 only - Apr Sun>=1 3:00u 0 -
1347 Rule Chile 2011 only - May Sun>=2 3:00u 0 -
1348 Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 -
1349 Rule Chile 2012 2014 - Apr Sun>=23 3:00u 0 -
1350 Rule Chile 2012 2014 - Sep Sun>=2 4:00u 1:00 -
1351 Rule Chile 2016 2018 - May Sun>=9 3:00u 0 -
1352 Rule Chile 2016 2018 - Aug Sun>=9 4:00u 1:00 -
1353 Rule Chile 2019 max - Apr Sun>=2 3:00u 0 -
1354 Rule Chile 2019 2021 - Sep Sun>=2 4:00u 1:00 -
1355 Rule Chile 2022 only - Sep Sun>=9 4:00u 1:00 -
1356 Rule Chile 2023 max - Sep Sun>=2 4:00u 1:00 -
1357 # IATA SSIM anomalies: (1992-02) says 1992-03-14;
1358 # (1996-09) says 1998-03-08. Ignore these.
1360 Zone America/Santiago -4:42:45 - LMT 1890
1361 -4:42:45 - SMT 1910 Jan 10 # Santiago Mean Time
1362 -5:00 - %z 1916 Jul 1
1363 -4:42:45 - SMT 1918 Sep 10
1364 -4:00 - %z 1919 Jul 1
1365 -4:42:45 - SMT 1927 Sep 1
1366 -5:00 Chile %z 1932 Sep 1
1367 -4:00 - %z 1942 Jun 1
1368 -5:00 - %z 1942 Aug 1
1369 -4:00 - %z 1946 Jul 14 24:00
1370 -4:00 1:00 %z 1946 Aug 28 24:00 # central CL
1371 -5:00 1:00 %z 1947 Mar 31 24:00
1372 -5:00 - %z 1947 May 21 23:00
1373 -4:00 Chile %z
1374 Zone America/Punta_Arenas -4:43:40 - LMT 1890
1375 -4:42:45 - SMT 1910 Jan 10
1376 -5:00 - %z 1916 Jul 1
1377 -4:42:45 - SMT 1918 Sep 10
1378 -4:00 - %z 1919 Jul 1
1379 -4:42:45 - SMT 1927 Sep 1
1380 -5:00 Chile %z 1932 Sep 1
1381 -4:00 - %z 1942 Jun 1
1382 -5:00 - %z 1942 Aug 1
1383 -4:00 - %z 1946 Aug 28 24:00
1384 -5:00 1:00 %z 1947 Mar 31 24:00
1385 -5:00 - %z 1947 May 21 23:00
1386 -4:00 Chile %z 2016 Dec 4
1387 -3:00 - %z
1388 Zone Pacific/Easter -7:17:28 - LMT 1890
1389 -7:17:28 - EMT 1932 Sep # Easter Mean Time
1390 -7:00 Chile %z 1982 Mar 14 3:00u # Easter Time
1391 -6:00 Chile %z
1402 # From Ethan Dicks (1996-10-06):
1410 Zone Antarctica/Palmer 0 - -00 1965
1411 -4:00 Arg %z 1969 Oct 5
1412 -3:00 Arg %z 1982 May
1413 -4:00 Chile %z 2016 Dec 4
1414 -3:00 - %z
1421 # From Alois Treindl (2022-11-10):
1424 # https://www.suin-juriscol.gov.co/viewDocument.asp?ruta=Decretos/1061335
1426 # Rule NAME FROM TO - IN ON AT SAVE LETTER/S
1427 Rule CO 1992 only - May 3 0:00 1:00 -
1428 Rule CO 1993 only - Feb 6 24:00 0 -
1430 #STDOFF -4:56:16.4
1431 Zone America/Bogota -4:56:16 - LMT 1884 Mar 13
1432 -4:56:16 - BMT 1914 Nov 23 # Bogotá Mean Time
1433 -5:00 CO %z
1440 # Milne says the Central and South American Telegraph Company used -5:24:15.
1442 # From Alois Treindl (2016-12-15):
1443 # https://www.elcomercio.com/actualidad/hora-sixto-1993.html
1445 # From Paul Eggert (2016-12-15):
1446 # https://www.elcomercio.com/afull/modificacion-husohorario-ecuador-presidentes-decreto.html
1448 # established DST from 1992-11-28 to 1993-02-05; it does not give transition
1455 # repeated. For now, assume transitions were at 00:00 local time country-wide.
1457 # Rule NAME FROM TO - IN ON AT SAVE LETTER/S
1458 Rule Ecuador 1992 only - Nov 28 0:00 1:00 -
1459 Rule Ecuador 1993 only - Feb 5 0:00 0 -
1462 Zone America/Guayaquil -5:19:20 - LMT 1890
1463 -5:14:00 - QMT 1931 # Quito Mean Time
1464 -5:00 Ecuador %z
1465 Zone Pacific/Galapagos -5:58:24 - LMT 1931 # Puerto Baquerizo Moreno
1466 -5:00 - %z 1986
1467 -6:00 Ecuador %z
1471 # From Paul Eggert (2006-03-22):
1473 # the IATA gives 1996-09-08. Go with Shanks & Pottenger.
1475 # From Falkland Islands Government Office, London (2001-01-22)
1483 # From Rives McDow (2001-02-13):
1492 # There is no rule as to who uses daylight saving - it is a matter of
1516 # From Paul Eggert (2001-03-05):
1520 # From Steffen Thorsen (2011-04-01):
1528 # Normally the clocks revert to Local Mean Time (UTC/GMT -4 hours) on the
1529 # third Sunday of April at 0200hrs and advance to Summer Time (UTC/GMT -3
1534 # time (UTC/GMT - 3 hours) throughout the whole of 2011. Any long term
1537 # From Andrew Newman (2012-02-24)
1539 # Cable & Wireless Falkland Islands (dated 2012-02-22)
1548 # For now we will assume permanent -03 for the Falklands
1551 # Rule NAME FROM TO - IN ON AT SAVE LETTER/S
1552 Rule Falk 1937 1938 - Sep lastSun 0:00 1:00 -
1553 Rule Falk 1938 1942 - Mar Sun>=19 0:00 0 -
1554 Rule Falk 1939 only - Oct 1 0:00 1:00 -
1555 Rule Falk 1940 1942 - Sep lastSun 0:00 1:00 -
1556 Rule Falk 1943 only - Jan 1 0:00 0 -
1557 Rule Falk 1983 only - Sep lastSun 0:00 1:00 -
1558 Rule Falk 1984 1985 - Apr lastSun 0:00 0 -
1559 Rule Falk 1984 only - Sep 16 0:00 1:00 -
1560 Rule Falk 1985 2000 - Sep Sun>=9 0:00 1:00 -
1561 Rule Falk 1986 2000 - Apr Sun>=16 0:00 0 -
1562 Rule Falk 2001 2010 - Apr Sun>=15 2:00 0 -
1563 Rule Falk 2001 2010 - Sep Sun>=1 2:00 1:00 -
1565 Zone Atlantic/Stanley -3:51:24 - LMT 1890
1566 -3:51:24 - SMT 1912 Mar 12 # Stanley Mean Time
1567 -4:00 Falk %z 1983 May
1568 -3:00 Falk %z 1985 Sep 15
1569 -4:00 Falk %z 2010 Sep 5 2:00
1570 -3:00 - %z
1577 Zone America/Cayenne -3:29:20 - LMT 1911 Jul 1
1578 -4:00 - %z 1967 Oct
1579 -3:00 - %z
1583 # From P Chan (2020-11-27):
1584 # https://books.google.com/books?id=5-5CAQAAMAAJ&pg=SA1-PA547
1594 # https://parliament.gov.gy/documents/acts/10923-act_no._27_of_1975_-_interpretation_and_general_cl…
1596 # [dated 1975-07-31]
1602 # Circular No. 10/1992 dated 1992-03-20
1603 # https://dps.gov.gy/wp-content/uploads/2018/12/1992-03-20-Circular-010.pdf
1605 # Standard Time would be re-established at 01:00 hours by adjusting the hands
1608 # (Act No. 6 of 1992) [passed 1992-03-27, published 1992-04-18]
1609 # https://parliament.gov.gy/documents/acts/5885-6_of_1992_interpretation_and_general_clauses_(amend…
1612 Zone America/Guyana -3:52:39 - LMT 1911 Aug 1 # Georgetown
1613 -4:00 - %z 1915 Mar 1
1614 -3:45 - %z 1975 Aug 1
1615 -3:00 - %z 1992 Mar 29 1:00
1616 -4:00 - %z
1620 # From Paul Eggert (2006-03-22):
1621 # Shanks & Pottenger say that spring transitions are 01:00 -> 02:00,
1622 # and autumn transitions are 00:00 -> 23:00. Go with pre-1999
1625 # From Waldemar Villamayor-Venialbo (2013-09-20):
1629 # Rule NAME FROM TO - IN ON AT SAVE LETTER/S
1630 Rule Para 1975 1988 - Oct 1 0:00 1:00 -
1631 Rule Para 1975 1978 - Mar 1 0:00 0 -
1632 Rule Para 1979 1991 - Apr 1 0:00 0 -
1633 Rule Para 1989 only - Oct 22 0:00 1:00 -
1634 Rule Para 1990 only - Oct 1 0:00 1:00 -
1635 Rule Para 1991 only - Oct 6 0:00 1:00 -
1636 Rule Para 1992 only - Mar 1 0:00 0 -
1637 Rule Para 1992 only - Oct 5 0:00 1:00 -
1638 Rule Para 1993 only - Mar 31 0:00 0 -
1639 Rule Para 1993 1995 - Oct 1 0:00 1:00 -
1640 Rule Para 1994 1995 - Feb lastSun 0:00 0 -
1641 Rule Para 1996 only - Mar 1 0:00 0 -
1642 # IATA SSIM (2000-02) says 1999-10-10; ignore this for now.
1643 # From Steffen Thorsen (2000-10-02):
1645 # (10-01).
1647 # Translated by Gwillim Law (2001-02-27) from
1648 # Noticias, a daily paper in Asunción, Paraguay (2000-10-01):
1657 Rule Para 1996 2001 - Oct Sun>=1 0:00 1:00 -
1658 # IATA SSIM (1997-09) says Mar 1; go with Shanks & Pottenger.
1659 Rule Para 1997 only - Feb lastSun 0:00 0 -
1660 # Shanks & Pottenger say 1999-02-28; IATA SSIM (1999-02) says 1999-02-27, but
1661 # (1999-09) reports no date; go with above sources and Gerd Knops (2001-02-27).
1662 Rule Para 1998 2001 - Mar Sun>=1 0:00 0 -
1663 # From Rives McDow (2002-02-28):
1664 # A decree was issued in Paraguay (No. 16350) on 2002-02-26 that changed the
1667 Rule Para 2002 2004 - Apr Sun>=1 0:00 0 -
1668 Rule Para 2002 2003 - Sep Sun>=1 0:00 1:00 -
1670 # From Jesper Nørgaard Welen (2005-01-02):
1673 # From Steffen Thorsen (2005-01-05):
1674 # Decree 1,867 (2004-03-05)
1675 # From Carlos Raúl Perasso via Jesper Nørgaard Welen (2006-10-13)
1677 Rule Para 2004 2009 - Oct Sun>=15 0:00 1:00 -
1678 Rule Para 2005 2009 - Mar Sun>=8 0:00 0 -
1679 # From Carlos Raúl Perasso (2010-02-18):
1681 # http://www.presidencia.gov.py/v1/wp-content/uploads/2010/02/decreto3958.pdf
1690 Rule Para 2010 max - Oct Sun>=1 0:00 1:00 -
1691 Rule Para 2010 2012 - Apr Sun>=8 0:00 0 -
1693 # From Steffen Thorsen (2013-03-07):
1694 # Paraguay will end DST on 2013-03-24 00:00....
1697 # From Carlos Raúl Perasso (2013-03-15):
1699 # http://www.presidencia.gov.py/uploads/pdf/presidencia-3b86ff4b691c79d4f5927ca964922ec74772ce857c0…
1700 # From Carlos Raúl Perasso (2014-02-28):
1704 # From Paul Eggert (2023-07-26):
1706 # https://www.abc.com.py/politica/2023/07/12/promulgacion-el-cambio-de-hora-sera-por-ley/
1707 # From Carlos Raúl Perasso (2023-07-27):
1708 # http://silpy.congreso.gov.py/descarga/ley-144138
1709 Rule Para 2013 max - Mar Sun>=22 0:00 0 -
1712 Zone America/Asuncion -3:50:40 - LMT 1890
1713 -3:50:40 - AMT 1931 Oct 10 # Asunción Mean Time
1714 -4:00 - %z 1972 Oct
1715 -3:00 - %z 1974 Apr
1716 -4:00 Para %z
1720 # From Evelyn C. Leeper via Mark Brader (2003-10-26)
1722 # When we were in Peru in 1985-1986, they apparently switched over
1725 # From Paul Eggert (2006-03-22):
1728 # Rule NAME FROM TO - IN ON AT SAVE LETTER/S
1729 Rule Peru 1938 only - Jan 1 0:00 1:00 -
1730 Rule Peru 1938 only - Apr 1 0:00 0 -
1731 Rule Peru 1938 1939 - Sep lastSun 0:00 1:00 -
1732 Rule Peru 1939 1940 - Mar Sun>=24 0:00 0 -
1733 Rule Peru 1986 1987 - Jan 1 0:00 1:00 -
1734 Rule Peru 1986 1987 - Apr 1 0:00 0 -
1735 Rule Peru 1990 only - Jan 1 0:00 1:00 -
1736 Rule Peru 1990 only - Apr 1 0:00 0 -
1738 Rule Peru 1994 only - Jan 1 0:00 1:00 -
1739 Rule Peru 1994 only - Apr 1 0:00 0 -
1741 Zone America/Lima -5:08:12 - LMT 1890
1742 -5:08:36 - LMT 1908 Jul 28 # Lima Mean Time?
1743 -5:00 Peru %z
1747 Zone Atlantic/South_Georgia -2:26:08 - LMT 1890 # Grytviken
1748 -2:00 - %z
1755 Zone America/Paramaribo -3:40:40 - LMT 1911
1756 -3:40:52 - PMT 1935 # Paramaribo Mean Time
1757 -3:40:36 - PMT 1945 Oct # The capital moved?
1758 -3:30 - %z 1984 Oct
1759 -3:00 - %z
1762 # From Paul Eggert (1993-11-18):
1765 # From Tim Parenti (2018-02-20), per Jeremie Bonjour (2018-01-31) and Michael
1766 # Deckers (2018-02-20):
1777 # Ley No. 3920 of 1908-06-10 placed the determination of legal time under the
1780 # 1920-04-23 used the Observatory of the National Meteorological Institute in
1782 # retarding legal time by 15 minutes 9 seconds from 1920-04-30 24:00,
1783 # resulting in UT-04. Assume the corresponding LMT of UT-03:44:51 (given on
1784 # page 725 of the Proceedings of the Second Pan-American Scientific Congress,
1785 # 1915-1916) was in use, and merely became official from 1908-06-10.
1789 # Ley No. 7594 of 1923-06-28 specified legal time as Observatory time advanced
1790 # by 44 minutes 51 seconds (UT-03) "from 30 September to 31 March", and by 14
1791 # minutes 51 seconds (UT-03:30) "the rest of the year"; a message from the
1793 # law in the Diario Oficial, specified the first transition to be 1923-09-30
1794 # 24:00. This effectively established standard time at UT-03:30 with 30
1796 # 7919 of 1926-03-05 ended this arrangement, repealing all "laws and other
1797 # provisions which oppose" it, resulting in year-round UT-03:30; a Resolución
1798 # of 1926-03-11 puts the final transition at 1926-03-31 24:00, the same as it
1804 # Rule NAME FROM TO - IN ON AT SAVE LETTER/S
1805 Rule Uruguay 1923 1925 - Oct 1 0:00 0:30 -
1806 Rule Uruguay 1924 1926 - Apr 1 0:00 0 -
1807 # From Tim Parenti (2018-02-15):
1812 # 1933-10-27 as a decree made Monday 1933-10-23 and filed under the Ministry of
1813 # National Defense. It reinstituted a DST of 30 minutes (to UT-03) "from the
1816 # 2 of the decree as Saturday 1933-10-28 at 24:00; that is, Sunday 1933-10-29
1819 # Departing from the matter-of-fact nature of previous timekeeping laws, the
1833 Rule Uruguay 1933 1938 - Oct lastSun 0:00 0:30 -
1834 Rule Uruguay 1934 1941 - Mar lastSat 24:00 0 -
1835 # From Tim Parenti (2018-02-15):
1839 # data here for all transitions through 2004-09, and this is both consistent
1841 # 1939-09 and 2004-09, wherein the relevant text was typically of the form:
1850 # referenced by the Almanaque for the period from 1939-09 to 2014-09.
1851 # Four-fifths of these were promulgated less than two weeks before taking
1854 Rule Uruguay 1939 only - Oct 1 0:00 0:30 -
1855 Rule Uruguay 1940 only - Oct 27 0:00 0:30 -
1856 # From Tim Parenti (2018-02-15):
1857 # Decreto 1145 of the Ministry of National Defense, dated 1941-07-26, specified
1858 # UT-03 from Friday 1941-08-01 00:00, citing an "urgent...need to save fuel".
1860 Rule Uruguay 1941 only - Aug 1 0:00 0:30 -
1861 # From Tim Parenti (2018-02-15):
1862 # Decreto 1866 of the Ministry of National Defense, dated 1942-12-09, specified
1863 # further advancement (to UT-02:30) from Sunday 1942-12-13 24:00. Since clocks
1864 # never went back to UT-03:30 thereafter, this is modeled as advancing standard
1865 # time by 30 minutes to UT-03, while retaining 30 minutes of DST.
1867 Rule Uruguay 1942 only - Dec 14 0:00 0:30 -
1868 Rule Uruguay 1943 only - Mar 14 0:00 0 -
1869 Rule Uruguay 1959 only - May 24 0:00 0:30 -
1870 Rule Uruguay 1959 only - Nov 15 0:00 0 -
1871 Rule Uruguay 1960 only - Jan 17 0:00 1:00 -
1872 Rule Uruguay 1960 only - Mar 6 0:00 0 -
1873 Rule Uruguay 1965 only - Apr 4 0:00 1:00 -
1874 Rule Uruguay 1965 only - Sep 26 0:00 0 -
1875 # From Tim Parenti (2018-02-15):
1876 # Decreto 321/968 of 1968-05-25, citing emergency drought measures decreed the
1877 # day before, brought clocks forward 30 minutes from Monday 1968-05-27 00:00.
1879 Rule Uruguay 1968 only - May 27 0:00 0:30 -
1880 Rule Uruguay 1968 only - Dec 1 0:00 0 -
1881 # From Tim Parenti (2018-02-15):
1882 # Decreto 188/970 of 1970-04-23 instituted restrictions on electricity
1884 # Articles 13 and 14 advanced clocks by an hour from Saturday 1970-04-25 00:00.
1886 Rule Uruguay 1970 only - Apr 25 0:00 1:00 -
1887 Rule Uruguay 1970 only - Jun 14 0:00 0 -
1888 Rule Uruguay 1972 only - Apr 23 0:00 1:00 -
1889 Rule Uruguay 1972 only - Jul 16 0:00 0 -
1890 # From Tim Parenti (2018-02-15):
1891 # Decreto 29/974 of 1974-01-11, citing "the international rise in the price of
1892 # oil", advanced clocks by 90 minutes (to UT-01:30). Decreto 163/974 of
1893 # 1974-03-04 returned 60 of those minutes (to UT-02:30), and the remaining 30
1894 # minutes followed in Decreto 679/974 of 1974-08-29.
1898 Rule Uruguay 1974 only - Jan 13 0:00 1:30 -
1899 Rule Uruguay 1974 only - Mar 10 0:00 0:30 -
1900 Rule Uruguay 1974 only - Sep 1 0:00 0 -
1901 Rule Uruguay 1974 only - Dec 22 0:00 1:00 -
1902 Rule Uruguay 1975 only - Mar 30 0:00 0 -
1903 Rule Uruguay 1976 only - Dec 19 0:00 1:00 -
1904 Rule Uruguay 1977 only - Mar 6 0:00 0 -
1905 Rule Uruguay 1977 only - Dec 4 0:00 1:00 -
1906 Rule Uruguay 1978 1979 - Mar Sun>=1 0:00 0 -
1907 Rule Uruguay 1978 only - Dec 17 0:00 1:00 -
1908 Rule Uruguay 1979 only - Apr 29 0:00 1:00 -
1909 Rule Uruguay 1980 only - Mar 16 0:00 0 -
1910 # From Tim Parenti (2018-02-15):
1911 # Decreto 725/987 of 1987-12-04 cited "better use of national tourist
1912 # attractions" to advance clocks one hour from Monday 1987-12-14 00:00.
1914 Rule Uruguay 1987 only - Dec 14 0:00 1:00 -
1915 Rule Uruguay 1988 only - Feb 28 0:00 0 -
1916 Rule Uruguay 1988 only - Dec 11 0:00 1:00 -
1917 Rule Uruguay 1989 only - Mar 5 0:00 0 -
1918 Rule Uruguay 1989 only - Oct 29 0:00 1:00 -
1919 Rule Uruguay 1990 only - Feb 25 0:00 0 -
1920 # From Tim Parenti (2018-02-15), per Paul Eggert (1999-11-04):
1921 # IATA agrees as below for 1990-10 through 1993-02. Per Almanaque 2018, the
1924 Rule Uruguay 1990 1991 - Oct Sun>=21 0:00 1:00 -
1925 Rule Uruguay 1991 1992 - Mar Sun>=1 0:00 0 -
1926 Rule Uruguay 1992 only - Oct 18 0:00 1:00 -
1927 Rule Uruguay 1993 only - Feb 28 0:00 0 -
1928 # From Eduardo Cota (2004-09-20):
1930 # From Tim Parenti (2018-02-15):
1931 # Decreto 328/004 of 2004-09-15.
1933 Rule Uruguay 2004 only - Sep 19 0:00 1:00 -
1934 # From Steffen Thorsen (2005-03-11):
1935 # Uruguay's DST was scheduled to end on Sunday, 2005-03-13, but in order to
1937 # From Tim Parenti (2018-02-15):
1939 # reporting, which is confirmed by Decreto 107/005 of 2005-03-10 amending
1942 # The original decree specified a transition of 2005-03-12 24:00, but the new
1943 # one specified 2005-03-27 02:00.
1944 Rule Uruguay 2005 only - Mar 27 2:00 0 -
1945 # From Eduardo Cota (2005-09-27):
1946 # ...from 2005-10-09 at 02:00 local time, until 2006-03-12 at 02:00 local time,
1947 # official time in Uruguay will be at GMT -2.
1948 # From Tim Parenti (2018-02-15):
1949 # Decreto 318/005 of 2005-09-19.
1951 Rule Uruguay 2005 only - Oct 9 2:00 1:00 -
1952 Rule Uruguay 2006 2015 - Mar Sun>=8 2:00 0 -
1953 # From Tim Parenti (2018-02-15), per Jesper Nørgaard Welen (2006-09-06):
1954 # Decreto 311/006 of 2006-09-04 established regular DST from the first Sunday
1958 Rule Uruguay 2006 2014 - Oct Sun>=1 2:00 1:00 -
1959 # From Steffen Thorsen (2015-06-30):
1961 # http://www.elobservador.com.uy/gobierno-resolvio-que-no-habra-cambio-horario-verano-n656787
1962 # http://www.republica.com.uy/este-ano-no-se-modificara-el-huso-horario-en-uruguay/523760/
1963 # From Paul Eggert (2015-06-30):
1966 # From Pablo Camargo (2015-07-13):
1968 # From Tim Parenti (2018-02-15):
1969 # Decreto 178/015 of 2015-06-29; repeals Decreto 311/006.
1972 Zone America/Montevideo -3:44:51 - LMT 1908 Jun 10
1973 -3:44:51 - MMT 1920 May 1 # Montevideo MT
1974 -4:00 - %z 1923 Oct 1
1975 -3:30 Uruguay %z 1942 Dec 14
1976 -3:00 Uruguay %z 1960
1977 -3:00 Uruguay %z 1968
1978 -3:00 Uruguay %z 1970
1979 -3:00 Uruguay %z 1974
1980 -3:00 Uruguay %z 1974 Mar 10
1981 -3:00 Uruguay %z 1974 Dec 22
1982 -3:00 Uruguay %z
1986 # From Paul Eggert (2015-07-28):
1987 # For the 1965 transition see Gaceta Oficial No. 27.619 (1964-12-15), p 205.533
1990 # From John Stainforth (2007-11-28):
1991 # ... the change for Venezuela originally expected for 2007-12-31 has
1992 # been brought forward to 2007-12-09. The official announcement was
1998 # From Alexander Krivenyshev (2016-04-15):
1999 # https://actualidad.rt.com/actualidad/204758-venezuela-modificar-huso-horario-sequia-elnino
2001 # From Paul Eggert (2016-04-15):
2002 # Clocks advance 30 minutes on 2016-05-01 at 02:30....
2003 # "'Venezuela's new time-zone: hours without light, hours without water,
2006 # half-hour time difference set by Chavez. Reuters 2016-04-15 14:50 -0400
2007 # https://www.reuters.com/article/us-venezuela-timezone-idUSKCN0XC2BE
2009 # From Matt Johnson (2016-04-20):
2010 # ... published in the official Gazette [2016-04-18], here:
2011 # http://historico.tsj.gob.ve/gaceta_ext/abril/1842016/E-1842016-4551.pdf
2014 Zone America/Caracas -4:27:44 - LMT 1890
2015 -4:27:40 - CMT 1912 Feb 12 # Caracas Mean Time?
2016 -4:30 - %z 1965 Jan 1 0:00
2017 -4:00 - %z 2007 Dec 9 3:00
2018 -4:30 - %z 2016 May 1 2:30
2019 -4:00 - %z