@@ -462,7 +462,7 @@ Rule Chicago 1922 1966 - Apr lastSun 2:00 1:00 D
462462Rule Chicago 1922 1954 - Sep lastSun 2:00 0 S
463463Rule Chicago 1955 1966 - Oct lastSun 2:00 0 S
464464# Zone NAME STDOFF RULES FORMAT [UNTIL]
465- Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:09:24
465+ Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 18:00u
466466 -6:00 US C%sT 1920
467467 -6:00 Chicago C%sT 1936 Mar 1 2:00
468468 -5:00 - EST 1936 Nov 15 2:00
@@ -471,7 +471,7 @@ Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:09:24
471471 -6:00 Chicago C%sT 1967
472472 -6:00 US C%sT
473473# Oliver County, ND switched from mountain to central time on 1992-10-25.
474- Zone America/North_Dakota/Center -6:45:12 - LMT 1883 Nov 18 12:14:48
474+ Zone America/North_Dakota/Center -6:45:12 - LMT 1883 Nov 18 19:00u
475475 -7:00 US M%sT 1992 Oct 25 2:00
476476 -6:00 US C%sT
477477# Morton County, ND, switched from mountain to central time on
@@ -481,7 +481,7 @@ Zone America/North_Dakota/Center -6:45:12 - LMT 1883 Nov 18 12:14:48
481481# Jones, Mellette, and Todd Counties in South Dakota;
482482# but in practice these other counties were already observing central time.
483483# See <http://www.epa.gov/fedrgstr/EPA-IMPACT/2003/October/Day-28/i27056.htm>.
484- Zone America/North_Dakota/New_Salem -6:45:39 - LMT 1883 Nov 18 12:14:21
484+ Zone America/North_Dakota/New_Salem -6:45:39 - LMT 1883 Nov 18 19:00u
485485 -7:00 US M%sT 2003 Oct 26 2:00
486486 -6:00 US C%sT
487487
@@ -498,7 +498,7 @@ Zone America/North_Dakota/New_Salem -6:45:39 - LMT 1883 Nov 18 12:14:21
498498# largest city in Mercer County). Google Maps places Beulah's city hall
499499# at 47° 15' 51" N, 101° 46' 40" W, which yields an offset of 6h47'07".
500500
501- Zone America/North_Dakota/Beulah -6:47:07 - LMT 1883 Nov 18 12:12:53
501+ Zone America/North_Dakota/Beulah -6:47:07 - LMT 1883 Nov 18 19:00u
502502 -7:00 US M%sT 2010 Nov 7 2:00
503503 -6:00 US C%sT
504504
@@ -530,7 +530,7 @@ Rule Denver 1921 only - May 22 2:00 0 S
530530Rule Denver 1965 1966 - Apr lastSun 2:00 1:00 D
531531Rule Denver 1965 1966 - Oct lastSun 2:00 0 S
532532# Zone NAME STDOFF RULES FORMAT [UNTIL]
533- Zone America/Denver -6:59:56 - LMT 1883 Nov 18 12:00:04
533+ Zone America/Denver -6:59:56 - LMT 1883 Nov 18 19:00u
534534 -7:00 US M%sT 1920
535535 -7:00 Denver M%sT 1942
536536 -7:00 US M%sT 1946
@@ -583,7 +583,7 @@ Rule CA 1950 1966 - Apr lastSun 1:00 1:00 D
583583Rule CA 1950 1961 - Sep lastSun 2:00 0 S
584584Rule CA 1962 1966 - Oct lastSun 2:00 0 S
585585# Zone NAME STDOFF RULES FORMAT [UNTIL]
586- Zone America/Los_Angeles -7:52:58 - LMT 1883 Nov 18 12:07:02
586+ Zone America/Los_Angeles -7:52:58 - LMT 1883 Nov 18 20:00u
587587 -8:00 US P%sT 1946
588588 -8:00 CA P%sT 1967
589589 -8:00 US P%sT
@@ -845,7 +845,7 @@ Zone Pacific/Honolulu -10:31:26 - LMT 1896 Jan 13 12:00
845845# Go with the Arizona State Library instead.
846846
847847# Zone NAME STDOFF RULES FORMAT [UNTIL]
848- Zone America/Phoenix -7:28:18 - LMT 1883 Nov 18 11:31:42
848+ Zone America/Phoenix -7:28:18 - LMT 1883 Nov 18 19:00u
849849 -7:00 US M%sT 1944 Jan 1 0:01
850850 -7:00 - MST 1944 Apr 1 0:01
851851 -7:00 US M%sT 1944 Oct 1 0:01
@@ -873,7 +873,7 @@ Link America/Phoenix America/Creston
873873# switched four weeks late in 1974.
874874#
875875# Zone NAME STDOFF RULES FORMAT [UNTIL]
876- Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:15:11
876+ Zone America/Boise -7:44:49 - LMT 1883 Nov 18 20:00u
877877 -8:00 US P%sT 1923 May 13 2:00
878878 -7:00 US M%sT 1974
879879 -7:00 - MST 1974 Feb 3 2:00
@@ -945,7 +945,7 @@ Rule Indianapolis 1941 only - Jun 22 2:00 1:00 D
945945Rule Indianapolis 1941 1954 - Sep lastSun 2:00 0 S
946946Rule Indianapolis 1946 1954 - Apr lastSun 2:00 1:00 D
947947# Zone NAME STDOFF RULES FORMAT [UNTIL]
948- Zone America/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22
948+ Zone America/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 18:00u
949949 -6:00 US C%sT 1920
950950 -6:00 Indianapolis C%sT 1942
951951 -6:00 US C%sT 1946
@@ -965,7 +965,7 @@ Rule Marengo 1951 only - Sep lastSun 2:00 0 S
965965Rule Marengo 1954 1960 - Apr lastSun 2:00 1:00 D
966966Rule Marengo 1954 1960 - Sep lastSun 2:00 0 S
967967# Zone NAME STDOFF RULES FORMAT [UNTIL]
968- Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:14:37
968+ Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 18:00u
969969 -6:00 US C%sT 1951
970970 -6:00 Marengo C%sT 1961 Apr 30 2:00
971971 -5:00 - EST 1969
@@ -989,7 +989,7 @@ Rule Vincennes 1960 only - Oct lastSun 2:00 0 S
989989Rule Vincennes 1961 only - Sep lastSun 2:00 0 S
990990Rule Vincennes 1962 1963 - Oct lastSun 2:00 0 S
991991# Zone NAME STDOFF RULES FORMAT [UNTIL]
992- Zone America/Indiana/Vincennes -5:50:07 - LMT 1883 Nov 18 12:09:53
992+ Zone America/Indiana/Vincennes -5:50:07 - LMT 1883 Nov 18 18:00u
993993 -6:00 US C%sT 1946
994994 -6:00 Vincennes C%sT 1964 Apr 26 2:00
995995 -5:00 - EST 1969
@@ -1009,7 +1009,7 @@ Rule Perry 1955 1960 - Sep lastSun 2:00 0 S
10091009Rule Perry 1956 1963 - Apr lastSun 2:00 1:00 D
10101010Rule Perry 1961 1963 - Oct lastSun 2:00 0 S
10111011# Zone NAME STDOFF RULES FORMAT [UNTIL]
1012- Zone America/Indiana/Tell_City -5:47:03 - LMT 1883 Nov 18 12:12:57
1012+ Zone America/Indiana/Tell_City -5:47:03 - LMT 1883 Nov 18 18:00u
10131013 -6:00 US C%sT 1946
10141014 -6:00 Perry C%sT 1964 Apr 26 2:00
10151015 -5:00 - EST 1967 Oct 29 2:00
@@ -1026,7 +1026,7 @@ Rule Pike 1955 1960 - Sep lastSun 2:00 0 S
10261026Rule Pike 1956 1964 - Apr lastSun 2:00 1:00 D
10271027Rule Pike 1961 1964 - Oct lastSun 2:00 0 S
10281028# Zone NAME STDOFF RULES FORMAT [UNTIL]
1029- Zone America/Indiana/Petersburg -5:49:07 - LMT 1883 Nov 18 12:10:53
1029+ Zone America/Indiana/Petersburg -5:49:07 - LMT 1883 Nov 18 18:00u
10301030 -6:00 US C%sT 1955
10311031 -6:00 Pike C%sT 1965 Apr 25 2:00
10321032 -5:00 - EST 1966 Oct 30 2:00
@@ -1048,7 +1048,7 @@ Rule Starke 1955 1956 - Oct lastSun 2:00 0 S
10481048Rule Starke 1957 1958 - Sep lastSun 2:00 0 S
10491049Rule Starke 1959 1961 - Oct lastSun 2:00 0 S
10501050# Zone NAME STDOFF RULES FORMAT [UNTIL]
1051- Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:13:30
1051+ Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 18:00u
10521052 -6:00 US C%sT 1947
10531053 -6:00 Starke C%sT 1962 Apr 29 2:00
10541054 -5:00 - EST 1963 Oct 27 2:00
@@ -1064,7 +1064,7 @@ Rule Pulaski 1946 1954 - Sep lastSun 2:00 0 S
10641064Rule Pulaski 1955 1956 - Oct lastSun 2:00 0 S
10651065Rule Pulaski 1957 1960 - Sep lastSun 2:00 0 S
10661066# Zone NAME STDOFF RULES FORMAT [UNTIL]
1067- Zone America/Indiana/Winamac -5:46:25 - LMT 1883 Nov 18 12:13:35
1067+ Zone America/Indiana/Winamac -5:46:25 - LMT 1883 Nov 18 18:00u
10681068 -6:00 US C%sT 1946
10691069 -6:00 Pulaski C%sT 1961 Apr 30 2:00
10701070 -5:00 - EST 1969
@@ -1075,7 +1075,7 @@ Zone America/Indiana/Winamac -5:46:25 - LMT 1883 Nov 18 12:13:35
10751075#
10761076# Switzerland County, Indiana, did not observe DST from 1973 through 2005.
10771077# Zone NAME STDOFF RULES FORMAT [UNTIL]
1078- Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:19:44
1078+ Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 18:00u
10791079 -6:00 US C%sT 1954 Apr 25 2:00
10801080 -5:00 - EST 1969
10811081 -5:00 US E%sT 1973
@@ -1111,7 +1111,7 @@ Rule Louisville 1950 1961 - Apr lastSun 2:00 1:00 D
11111111Rule Louisville 1950 1955 - Sep lastSun 2:00 0 S
11121112Rule Louisville 1956 1961 - Oct lastSun 2:00 0 S
11131113# Zone NAME STDOFF RULES FORMAT [UNTIL]
1114- Zone America/Kentucky/Louisville -5:43:02 - LMT 1883 Nov 18 12:16:58
1114+ Zone America/Kentucky/Louisville -5:43:02 - LMT 1883 Nov 18 18:00u
11151115 -6:00 US C%sT 1921
11161116 -6:00 Louisville C%sT 1942
11171117 -6:00 US C%sT 1946
@@ -1145,7 +1145,7 @@ Zone America/Kentucky/Louisville -5:43:02 - LMT 1883 Nov 18 12:16:58
11451145# Federal Register 65, 160 (2000-08-17), pp 50154-50158.
11461146# https://www.gpo.gov/fdsys/pkg/FR-2000-08-17/html/00-20854.htm
11471147#
1148- Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 12:20:36
1148+ Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 18:00u
11491149 -6:00 US C%sT 1946
11501150 -6:00 - CST 1968
11511151 -6:00 US C%sT 2000 Oct 29 2:00
@@ -2640,6 +2640,8 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20
26402640# longitude they are located at.
26412641
26422642# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
2643+ Rule Mexico 1931 only - May 1 23:00 1:00 D
2644+ Rule Mexico 1931 only - Oct 1 0:00 0 S
26432645Rule Mexico 1939 only - Feb 5 0:00 1:00 D
26442646Rule Mexico 1939 only - Jun 25 0:00 0 S
26452647Rule Mexico 1940 only - Dec 9 0:00 1:00 D
@@ -2656,13 +2658,13 @@ Rule Mexico 2002 max - Apr Sun>=1 2:00 1:00 D
26562658Rule Mexico 2002 max - Oct lastSun 2:00 0 S
26572659# Zone NAME STDOFF RULES FORMAT [UNTIL]
26582660# Quintana Roo; represented by Cancún
2659- Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 0:12:56
2661+ Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 6:00u
26602662 -6:00 - CST 1981 Dec 23
26612663 -5:00 Mexico E%sT 1998 Aug 2 2:00
26622664 -6:00 Mexico C%sT 2015 Feb 1 2:00
26632665 -5:00 - EST
26642666# Campeche, Yucatán; represented by Mérida
2665- Zone America/Merida -5:58:28 - LMT 1922 Jan 1 0:01:32
2667+ Zone America/Merida -5:58:28 - LMT 1922 Jan 1 6:00u
26662668 -6:00 - CST 1981 Dec 23
26672669 -5:00 - EST 1982 Dec 2
26682670 -6:00 Mexico C%sT
@@ -2676,59 +2678,51 @@ Zone America/Merida -5:58:28 - LMT 1922 Jan 1 0:01:32
26762678# See: Inicia mañana Horario de Verano en zona fronteriza, El Universal,
26772679# 2016-03-12
26782680# http://www.eluniversal.com.mx/articulo/estados/2016/03/12/inicia-manana-horario-de-verano-en-zona-fronteriza
2679- Zone America/Matamoros -6:40 :00 - LMT 1921 Dec 31 23:20:00
2681+ Zone America/Matamoros -6:30 :00 - LMT 1922 Jan 1 6:00u
26802682 -6:00 - CST 1988
26812683 -6:00 US C%sT 1989
26822684 -6:00 Mexico C%sT 2010
26832685 -6:00 US C%sT
26842686# Durango; Coahuila, Nuevo León, Tamaulipas (away from US border)
2685- Zone America/Monterrey -6:41:16 - LMT 1921 Dec 31 23:18:44
2687+ Zone America/Monterrey -6:41:16 - LMT 1922 Jan 1 6:00u
26862688 -6:00 - CST 1988
26872689 -6:00 US C%sT 1989
26882690 -6:00 Mexico C%sT
26892691# Central Mexico
2690- Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24
2692+ Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 7:00u
26912693 -7:00 - MST 1927 Jun 10 23:00
26922694 -6:00 - CST 1930 Nov 15
2693- -7:00 - MST 1931 May 1 23:00
2694- -6:00 - CST 1931 Oct
2695- -7:00 - MST 1932 Apr 1
2695+ -7:00 Mexico M%sT 1932 Apr 1
26962696 -6:00 Mexico C%sT 2001 Sep 30 2:00
26972697 -6:00 - CST 2002 Feb 20
26982698 -6:00 Mexico C%sT
26992699# Chihuahua (near US border)
27002700# This includes the municipalities of Janos, Ascensión, Juárez, Guadalupe,
27012701# Práxedis G Guerrero, Coyame del Sotol, Ojinaga, and Manuel Benavides.
27022702# (See the 2016-03-12 El Universal source mentioned above.)
2703- Zone America/Ojinaga -6:57:40 - LMT 1922 Jan 1 0:02:20
2703+ Zone America/Ojinaga -6:57:40 - LMT 1922 Jan 1 7:00u
27042704 -7:00 - MST 1927 Jun 10 23:00
27052705 -6:00 - CST 1930 Nov 15
2706- -7:00 - MST 1931 May 1 23:00
2707- -6:00 - CST 1931 Oct
2708- -7:00 - MST 1932 Apr 1
2706+ -7:00 Mexico M%sT 1932 Apr 1
27092707 -6:00 - CST 1996
27102708 -6:00 Mexico C%sT 1998
27112709 -6:00 - CST 1998 Apr Sun>=1 3:00
27122710 -7:00 Mexico M%sT 2010
27132711 -7:00 US M%sT
27142712# Chihuahua (away from US border)
2715- Zone America/Chihuahua -7:04:20 - LMT 1921 Dec 31 23:55:40
2713+ Zone America/Chihuahua -7:04:20 - LMT 1922 Jan 1 7:00u
27162714 -7:00 - MST 1927 Jun 10 23:00
27172715 -6:00 - CST 1930 Nov 15
2718- -7:00 - MST 1931 May 1 23:00
2719- -6:00 - CST 1931 Oct
2720- -7:00 - MST 1932 Apr 1
2716+ -7:00 Mexico M%sT 1932 Apr 1
27212717 -6:00 - CST 1996
27222718 -6:00 Mexico C%sT 1998
27232719 -6:00 - CST 1998 Apr Sun>=1 3:00
27242720 -7:00 Mexico M%sT
27252721# Sonora
2726- Zone America/Hermosillo -7:23:52 - LMT 1921 Dec 31 23:36:08
2722+ Zone America/Hermosillo -7:23:52 - LMT 1922 Jan 1 7:00u
27272723 -7:00 - MST 1927 Jun 10 23:00
27282724 -6:00 - CST 1930 Nov 15
2729- -7:00 - MST 1931 May 1 23:00
2730- -6:00 - CST 1931 Oct
2731- -7:00 - MST 1932 Apr 1
2725+ -7:00 Mexico M%sT 1932 Apr 1
27322726 -6:00 - CST 1942 Apr 24
27332727 -7:00 - MST 1949 Jan 14
27342728 -8:00 - PST 1970
@@ -2763,32 +2757,28 @@ Zone America/Hermosillo -7:23:52 - LMT 1921 Dec 31 23:36:08
27632757# Use "Bahia_Banderas" to keep the name to fourteen characters.
27642758
27652759# Mazatlán
2766- Zone America/Mazatlan -7:05:40 - LMT 1921 Dec 31 23:54:20
2760+ Zone America/Mazatlan -7:05:40 - LMT 1922 Jan 1 7:00u
27672761 -7:00 - MST 1927 Jun 10 23:00
27682762 -6:00 - CST 1930 Nov 15
2769- -7:00 - MST 1931 May 1 23:00
2770- -6:00 - CST 1931 Oct
2771- -7:00 - MST 1932 Apr 1
2763+ -7:00 Mexico M%sT 1932 Apr 1
27722764 -6:00 - CST 1942 Apr 24
27732765 -7:00 - MST 1949 Jan 14
27742766 -8:00 - PST 1970
27752767 -7:00 Mexico M%sT
27762768
27772769# Bahía de Banderas
2778- Zone America/Bahia_Banderas -7:01:00 - LMT 1921 Dec 31 23:59:00
2770+ Zone America/Bahia_Banderas -7:01:00 - LMT 1922 Jan 1 7:00u
27792771 -7:00 - MST 1927 Jun 10 23:00
27802772 -6:00 - CST 1930 Nov 15
2781- -7:00 - MST 1931 May 1 23:00
2782- -6:00 - CST 1931 Oct
2783- -7:00 - MST 1932 Apr 1
2773+ -7:00 Mexico M%sT 1932 Apr 1
27842774 -6:00 - CST 1942 Apr 24
27852775 -7:00 - MST 1949 Jan 14
27862776 -8:00 - PST 1970
27872777 -7:00 Mexico M%sT 2010 Apr 4 2:00
27882778 -6:00 Mexico C%sT
27892779
27902780# Baja California
2791- Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56
2781+ Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 7:00u
27922782 -7:00 - MST 1924
27932783 -8:00 - PST 1927 Jun 10 23:00
27942784 -7:00 - MST 1930 Nov 15
0 commit comments