2481 Rule Mexico 1950 only - Feb 12 0:00 1:00 D
2482 Rule Mexico 1950 only - Jul 30 0:00 0 S
2483 Rule Mexico 1996 2000 - Apr Sun>=1 2:00 1:00 D
2484 Rule Mexico 1996 2000 - Oct lastSun 2:00 0 S
2485 Rule Mexico 2001 only - May Sun>=1 2:00 1:00 D
2486 Rule Mexico 2001 only - Sep lastSun 2:00 0 S
2487 Rule Mexico 2002 max - Apr Sun>=1 2:00 1:00 D
2488 Rule Mexico 2002 max - Oct lastSun 2:00 0 S
2489 # Zone NAME GMTOFF RULES FORMAT [UNTIL]
2490 # Quintana Roo; represented by Cancún
2491 Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 0:12:56
2492 -6:00 - CST 1981 Dec 23
2493 -5:00 Mexico E%sT 1998 Aug 2 2:00
2494 -6:00 Mexico C%sT 2015 Feb 1 2:00
2495 -5:00 - EST
2496 # Campeche, Yucatán; represented by Mérida
2497 Zone America/Merida -5:58:28 - LMT 1922 Jan 1 0:01:32
2498 -6:00 - CST 1981 Dec 23
2499 -5:00 - EST 1982 Dec 2
2500 -6:00 Mexico C%sT
2501 # Coahuila, Durango, Nuevo León, Tamaulipas (near US border)
2502 Zone America/Matamoros -6:40:00 - LMT 1921 Dec 31 23:20:00
2503 -6:00 - CST 1988
2504 -6:00 US C%sT 1989
2505 -6:00 Mexico C%sT 2010
2506 -6:00 US C%sT
2507 # Coahuila, Durango, Nuevo León, Tamaulipas (away from US border)
2508 Zone America/Monterrey -6:41:16 - LMT 1921 Dec 31 23:18:44
2509 -6:00 - CST 1988
2510 -6:00 US C%sT 1989
2511 -6:00 Mexico C%sT
2512 # Central Mexico
2513 Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24
2514 -7:00 - MST 1927 Jun 10 23:00
2515 -6:00 - CST 1930 Nov 15
2516 -7:00 - MST 1931 May 1 23:00
2517 -6:00 - CST 1931 Oct
2518 -7:00 - MST 1932 Apr 1
2519 -6:00 Mexico C%sT 2001 Sep 30 2:00
2520 -6:00 - CST 2002 Feb 20
2521 -6:00 Mexico C%sT
2522 # Chihuahua (near US border)
2523 Zone America/Ojinaga -6:57:40 - LMT 1922 Jan 1 0:02:20
2524 -7:00 - MST 1927 Jun 10 23:00
2525 -6:00 - CST 1930 Nov 15
2526 -7:00 - MST 1931 May 1 23:00
2527 -6:00 - CST 1931 Oct
2528 -7:00 - MST 1932 Apr 1
2529 -6:00 - CST 1996
2530 -6:00 Mexico C%sT 1998
2531 -6:00 - CST 1998 Apr Sun>=1 3:00
2532 -7:00 Mexico M%sT 2010
2533 -7:00 US M%sT
2534 # Chihuahua (away from US border)
2535 Zone America/Chihuahua -7:04:20 - LMT 1921 Dec 31 23:55:40
2536 -7:00 - MST 1927 Jun 10 23:00
2537 -6:00 - CST 1930 Nov 15
2538 -7:00 - MST 1931 May 1 23:00
2539 -6:00 - CST 1931 Oct
2540 -7:00 - MST 1932 Apr 1
2541 -6:00 - CST 1996
2542 -6:00 Mexico C%sT 1998
2590 -6:00 - CST 1931 Oct
2591 -7:00 - MST 1932 Apr 1
2592 -6:00 - CST 1942 Apr 24
2593 -7:00 - MST 1949 Jan 14
2594 -8:00 - PST 1970
2595 -7:00 Mexico M%sT
2596
2597 # Bahía de Banderas
2598 Zone America/Bahia_Banderas -7:01:00 - LMT 1921 Dec 31 23:59:00
2599 -7:00 - MST 1927 Jun 10 23:00
2600 -6:00 - CST 1930 Nov 15
2601 -7:00 - MST 1931 May 1 23:00
2602 -6:00 - CST 1931 Oct
2603 -7:00 - MST 1932 Apr 1
2604 -6:00 - CST 1942 Apr 24
2605 -7:00 - MST 1949 Jan 14
2606 -8:00 - PST 1970
2607 -7:00 Mexico M%sT 2010 Apr 4 2:00
2608 -6:00 Mexico C%sT
2609
2610 # Baja California (near US border)
2611 Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56
2612 -7:00 - MST 1924
2613 -8:00 - PST 1927 Jun 10 23:00
2614 -7:00 - MST 1930 Nov 15
2615 -8:00 - PST 1931 Apr 1
2616 -8:00 1:00 PDT 1931 Sep 30
2617 -8:00 - PST 1942 Apr 24
2618 -8:00 1:00 PWT 1945 Aug 14 23:00u
2619 -8:00 1:00 PPT 1945 Nov 12 # Peace
2620 -8:00 - PST 1948 Apr 5
2621 -8:00 1:00 PDT 1949 Jan 14
2622 -8:00 - PST 1954
2623 -8:00 CA P%sT 1961
2624 -8:00 - PST 1976
2625 -8:00 US P%sT 1996
2626 -8:00 Mexico P%sT 2001
2627 -8:00 US P%sT 2002 Feb 20
2628 -8:00 Mexico P%sT 2010
2629 -8:00 US P%sT
2630 # From Paul Eggert (2006-03-22):
3066 # According to several news sources, Haiti will observe DST this year,
3067 # apparently using the same start and end date as USA/Canada.
3068 # So this means they have already changed their time.
3069 #
3070 # http://www.alterpresse.org/spip.php?article12510
3071 # http://radiovision2000haiti.net/home/?p=13253
3072 #
3073 # From Arthur David Olson (2012-03-11):
3074 # The alterpresse.org source seems to show a US-style leap from 2:00 a.m. to
3075 # 3:00 a.m. rather than the traditional Haitian jump at midnight.
3076 # Assume a US-style fall back as well.
3077
3078 # From Steffen Thorsen (2013-03-10):
3079 # It appears that Haiti is observing DST this year as well, same rules
3080 # as US/Canada. They did it last year as well, and it looks like they
3081 # are going to observe DST every year now...
3082 #
3083 # http://radiovision2000haiti.net/public/haiti-avis-changement-dheure-dimanche/
3084 # http://www.canalplushaiti.net/?p=6714
3085
3086 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
3087 Rule Haiti 1983 only - May 8 0:00 1:00 D
3088 Rule Haiti 1984 1987 - Apr lastSun 0:00 1:00 D
3089 Rule Haiti 1983 1987 - Oct lastSun 0:00 0 S
3090 # Shanks & Pottenger say AT is 2:00, but IATA SSIM (1991/1997) says 1:00s.
3091 # Go with IATA.
3092 Rule Haiti 1988 1997 - Apr Sun>=1 1:00s 1:00 D
3093 Rule Haiti 1988 1997 - Oct lastSun 1:00s 0 S
3094 Rule Haiti 2005 2006 - Apr Sun>=1 0:00 1:00 D
3095 Rule Haiti 2005 2006 - Oct lastSun 0:00 0 S
3096 Rule Haiti 2012 max - Mar Sun>=8 2:00 1:00 D
3097 Rule Haiti 2012 max - Nov Sun>=1 2:00 0 S
3098 # Zone NAME GMTOFF RULES FORMAT [UNTIL]
3099 Zone America/Port-au-Prince -4:49:20 - LMT 1890
3100 -4:49 - PPMT 1917 Jan 24 12:00 # P-a-P MT
3101 -5:00 Haiti E%sT
3102
3103 # Honduras
3104 # Shanks & Pottenger say 1921 Jan 1; go with Whitman's more precise Apr 1.
3105
3106 # From Paul Eggert (2006-05-05):
3107 # worldtimezone.com reports a 2006-05-02 Spanish-language AP article
3108 # saying Honduras will start using DST midnight Saturday, effective 4
3109 # months until September. La Tribuna reported today
3110 # <http://www.latribuna.hn/99299.html> that Manuel Zelaya, the president
3111 # of Honduras, refused to back down on this.
3112
3113 # From Jesper Nørgaard Welen (2006-08-08):
3114 # It seems that Honduras has returned from DST to standard time this Monday at
3115 # 00:00 hours (prolonging Sunday to 25 hours duration).
3116 # http://www.worldtimezone.com/dst_news/dst_news_honduras04.html
3117
|
2481 Rule Mexico 1950 only - Feb 12 0:00 1:00 D
2482 Rule Mexico 1950 only - Jul 30 0:00 0 S
2483 Rule Mexico 1996 2000 - Apr Sun>=1 2:00 1:00 D
2484 Rule Mexico 1996 2000 - Oct lastSun 2:00 0 S
2485 Rule Mexico 2001 only - May Sun>=1 2:00 1:00 D
2486 Rule Mexico 2001 only - Sep lastSun 2:00 0 S
2487 Rule Mexico 2002 max - Apr Sun>=1 2:00 1:00 D
2488 Rule Mexico 2002 max - Oct lastSun 2:00 0 S
2489 # Zone NAME GMTOFF RULES FORMAT [UNTIL]
2490 # Quintana Roo; represented by Cancún
2491 Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 0:12:56
2492 -6:00 - CST 1981 Dec 23
2493 -5:00 Mexico E%sT 1998 Aug 2 2:00
2494 -6:00 Mexico C%sT 2015 Feb 1 2:00
2495 -5:00 - EST
2496 # Campeche, Yucatán; represented by Mérida
2497 Zone America/Merida -5:58:28 - LMT 1922 Jan 1 0:01:32
2498 -6:00 - CST 1981 Dec 23
2499 -5:00 - EST 1982 Dec 2
2500 -6:00 Mexico C%sT
2501 # Coahuila, Nuevo León, Tamaulipas (near US border)
2502 # This includes the following municipalities:
2503 # in Coahuila: Ocampo, Acuña, Zaragoza, Jiménez, Piedras Negras, Nava,
2504 # Guerrero, Hidalgo.
2505 # in Nuevo León: Anáhuac, Los Aldama.
2506 # in Tamaulipas: Nuevo Laredo, Guerrero, Mier, Miguel Alemán, Camargo,
2507 # Gustavo Díaz Ordaz, Reynosa, Río Bravo, Valle Hermoso, Matamoros.
2508 # See: Inicia mañana Horario de Verano en zona fronteriza, El Universal,
2509 # 2016-03-12
2510 # http://www.eluniversal.com.mx/articulo/estados/2016/03/12/inicia-manana-horario-de-verano-en-zona-fronteriza
2511 Zone America/Matamoros -6:40:00 - LMT 1921 Dec 31 23:20:00
2512 -6:00 - CST 1988
2513 -6:00 US C%sT 1989
2514 -6:00 Mexico C%sT 2010
2515 -6:00 US C%sT
2516 # Durango; Coahuila, Nuevo León, Tamaulipas (away from US border)
2517 Zone America/Monterrey -6:41:16 - LMT 1921 Dec 31 23:18:44
2518 -6:00 - CST 1988
2519 -6:00 US C%sT 1989
2520 -6:00 Mexico C%sT
2521 # Central Mexico
2522 Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24
2523 -7:00 - MST 1927 Jun 10 23:00
2524 -6:00 - CST 1930 Nov 15
2525 -7:00 - MST 1931 May 1 23:00
2526 -6:00 - CST 1931 Oct
2527 -7:00 - MST 1932 Apr 1
2528 -6:00 Mexico C%sT 2001 Sep 30 2:00
2529 -6:00 - CST 2002 Feb 20
2530 -6:00 Mexico C%sT
2531 # Chihuahua (near US border)
2532 # This includes the municipalities of Janos, Ascensión, Juárez, Guadalupe,
2533 # Práxedis G Guerrero, Coyame del Sotol, Ojinaga, and Manuel Benavides.
2534 # (See the 2016-03-12 El Universal source mentioned above.)
2535 Zone America/Ojinaga -6:57:40 - LMT 1922 Jan 1 0:02:20
2536 -7:00 - MST 1927 Jun 10 23:00
2537 -6:00 - CST 1930 Nov 15
2538 -7:00 - MST 1931 May 1 23:00
2539 -6:00 - CST 1931 Oct
2540 -7:00 - MST 1932 Apr 1
2541 -6:00 - CST 1996
2542 -6:00 Mexico C%sT 1998
2543 -6:00 - CST 1998 Apr Sun>=1 3:00
2544 -7:00 Mexico M%sT 2010
2545 -7:00 US M%sT
2546 # Chihuahua (away from US border)
2547 Zone America/Chihuahua -7:04:20 - LMT 1921 Dec 31 23:55:40
2548 -7:00 - MST 1927 Jun 10 23:00
2549 -6:00 - CST 1930 Nov 15
2550 -7:00 - MST 1931 May 1 23:00
2551 -6:00 - CST 1931 Oct
2552 -7:00 - MST 1932 Apr 1
2553 -6:00 - CST 1996
2554 -6:00 Mexico C%sT 1998
2602 -6:00 - CST 1931 Oct
2603 -7:00 - MST 1932 Apr 1
2604 -6:00 - CST 1942 Apr 24
2605 -7:00 - MST 1949 Jan 14
2606 -8:00 - PST 1970
2607 -7:00 Mexico M%sT
2608
2609 # Bahía de Banderas
2610 Zone America/Bahia_Banderas -7:01:00 - LMT 1921 Dec 31 23:59:00
2611 -7:00 - MST 1927 Jun 10 23:00
2612 -6:00 - CST 1930 Nov 15
2613 -7:00 - MST 1931 May 1 23:00
2614 -6:00 - CST 1931 Oct
2615 -7:00 - MST 1932 Apr 1
2616 -6:00 - CST 1942 Apr 24
2617 -7:00 - MST 1949 Jan 14
2618 -8:00 - PST 1970
2619 -7:00 Mexico M%sT 2010 Apr 4 2:00
2620 -6:00 Mexico C%sT
2621
2622 # Baja California
2623 Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56
2624 -7:00 - MST 1924
2625 -8:00 - PST 1927 Jun 10 23:00
2626 -7:00 - MST 1930 Nov 15
2627 -8:00 - PST 1931 Apr 1
2628 -8:00 1:00 PDT 1931 Sep 30
2629 -8:00 - PST 1942 Apr 24
2630 -8:00 1:00 PWT 1945 Aug 14 23:00u
2631 -8:00 1:00 PPT 1945 Nov 12 # Peace
2632 -8:00 - PST 1948 Apr 5
2633 -8:00 1:00 PDT 1949 Jan 14
2634 -8:00 - PST 1954
2635 -8:00 CA P%sT 1961
2636 -8:00 - PST 1976
2637 -8:00 US P%sT 1996
2638 -8:00 Mexico P%sT 2001
2639 -8:00 US P%sT 2002 Feb 20
2640 -8:00 Mexico P%sT 2010
2641 -8:00 US P%sT
2642 # From Paul Eggert (2006-03-22):
3078 # According to several news sources, Haiti will observe DST this year,
3079 # apparently using the same start and end date as USA/Canada.
3080 # So this means they have already changed their time.
3081 #
3082 # http://www.alterpresse.org/spip.php?article12510
3083 # http://radiovision2000haiti.net/home/?p=13253
3084 #
3085 # From Arthur David Olson (2012-03-11):
3086 # The alterpresse.org source seems to show a US-style leap from 2:00 a.m. to
3087 # 3:00 a.m. rather than the traditional Haitian jump at midnight.
3088 # Assume a US-style fall back as well.
3089
3090 # From Steffen Thorsen (2013-03-10):
3091 # It appears that Haiti is observing DST this year as well, same rules
3092 # as US/Canada. They did it last year as well, and it looks like they
3093 # are going to observe DST every year now...
3094 #
3095 # http://radiovision2000haiti.net/public/haiti-avis-changement-dheure-dimanche/
3096 # http://www.canalplushaiti.net/?p=6714
3097
3098 # From Steffen Thorsen (2016-03-12):
3099 # Jean Antoine, editor of www.haiti-reference.com informed us that Haiti
3100 # are not going on DST this year. Several other resources confirm this: ...
3101 # http://www.radiotelevisioncaraibes.com/presse/heure_d_t_pas_de_changement_d_heure_pr_vu_pour_cet_ann_e.html
3102 # http://www.vantbefinfo.com/changement-dheure-pas-pour-haiti/
3103 # http://news.anmwe.com/haiti-lheure-nationale-ne-sera-ni-avancee-ni-reculee-cette-annee/
3104
3105 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
3106 Rule Haiti 1983 only - May 8 0:00 1:00 D
3107 Rule Haiti 1984 1987 - Apr lastSun 0:00 1:00 D
3108 Rule Haiti 1983 1987 - Oct lastSun 0:00 0 S
3109 # Shanks & Pottenger say AT is 2:00, but IATA SSIM (1991/1997) says 1:00s.
3110 # Go with IATA.
3111 Rule Haiti 1988 1997 - Apr Sun>=1 1:00s 1:00 D
3112 Rule Haiti 1988 1997 - Oct lastSun 1:00s 0 S
3113 Rule Haiti 2005 2006 - Apr Sun>=1 0:00 1:00 D
3114 Rule Haiti 2005 2006 - Oct lastSun 0:00 0 S
3115 Rule Haiti 2012 2015 - Mar Sun>=8 2:00 1:00 D
3116 Rule Haiti 2012 2015 - Nov Sun>=1 2:00 0 S
3117 # Zone NAME GMTOFF RULES FORMAT [UNTIL]
3118 Zone America/Port-au-Prince -4:49:20 - LMT 1890
3119 -4:49 - PPMT 1917 Jan 24 12:00 # P-a-P MT
3120 -5:00 Haiti E%sT
3121
3122 # Honduras
3123 # Shanks & Pottenger say 1921 Jan 1; go with Whitman's more precise Apr 1.
3124
3125 # From Paul Eggert (2006-05-05):
3126 # worldtimezone.com reports a 2006-05-02 Spanish-language AP article
3127 # saying Honduras will start using DST midnight Saturday, effective 4
3128 # months until September. La Tribuna reported today
3129 # <http://www.latribuna.hn/99299.html> that Manuel Zelaya, the president
3130 # of Honduras, refused to back down on this.
3131
3132 # From Jesper Nørgaard Welen (2006-08-08):
3133 # It seems that Honduras has returned from DST to standard time this Monday at
3134 # 00:00 hours (prolonging Sunday to 25 hours duration).
3135 # http://www.worldtimezone.com/dst_news/dst_news_honduras04.html
3136
|