114 # Shanks says that DST was called "War Time" in the US in 1918 and 1919. |
114 # Shanks says that DST was called "War Time" in the US in 1918 and 1919. |
115 # However, DST was imposed by the Standard Time Act of 1918, which |
115 # However, DST was imposed by the Standard Time Act of 1918, which |
116 # was the first nationwide legal time standard, and apparently |
116 # was the first nationwide legal time standard, and apparently |
117 # time was just called "Standard Time" or "Daylight Saving Time". |
117 # time was just called "Standard Time" or "Daylight Saving Time". |
118 |
118 |
119 # From Arthur David Olson: |
119 # From Paul Eggert (2019-06-04): |
120 # US Daylight Saving Time ended on the last Sunday of *October* in 1974. |
120 # Here is the legal basis for the US federal rules. |
121 # See, for example, the front page of the Saturday, 1974-10-26 |
121 # * Public Law 65-106 (1918-03-19) implemented standard and daylight saving |
122 # and Sunday, 1974-10-27 editions of the Washington Post. |
122 # time for the first time across the US, springing forward on March's last |
|
123 # Sunday and falling back on October's last Sunday. |
|
124 # https://www.loc.gov/law/help/statutes-at-large/65th-congress/session-2/c65s2ch24.pdf |
|
125 # * Public Law 66-40 (1919-08-20) repealed DST on October 1919's last Sunday. |
|
126 # https://www.loc.gov/law/help/statutes-at-large/66th-congress/session-1/c66s1ch51.pdf |
|
127 # * Public Law 77-403 (1942-01-20) started wartime DST on 1942-02-09. |
|
128 # https://www.loc.gov/law/help/statutes-at-large/77th-congress/session-2/c77s2ch7.pdf |
|
129 # * Public Law 79-187 (1945-09-25) ended wartime DST on 1945-09-30. |
|
130 # https://www.loc.gov/law/help/statutes-at-large/79th-congress/session-1/c79s1ch388.pdf |
|
131 # * Public Law 89-387 (1966-04-13) reinstituted a national standard for DST, |
|
132 # from April's last Sunday to October's last Sunday, effective 1967. |
|
133 # https://www.govinfo.gov/content/pkg/STATUTE-80/pdf/STATUTE-80-Pg107.pdf |
|
134 # * Public Law 93-182 (1973-12-15) moved the 1974 spring-forward to 01-06. |
|
135 # https://www.govinfo.gov/content/pkg/STATUTE-87/pdf/STATUTE-87-Pg707.pdf |
|
136 # * Public Law 93-434 (1974-10-05) moved the 1975 spring-forward to |
|
137 # February's last Sunday. |
|
138 # https://www.govinfo.gov/content/pkg/STATUTE-88/pdf/STATUTE-88-Pg1209.pdf |
|
139 # * Public Law 99-359 (1986-07-08) moved the spring-forward to April's first |
|
140 # Sunday. |
|
141 # https://www.govinfo.gov/content/pkg/STATUTE-100/pdf/STATUTE-100-Pg764.pdf |
|
142 # * Public Law 109-58 (2005-08-08), effective 2007, moved the spring-forward |
|
143 # to March's second Sunday and the fall-back to November's first Sunday. |
|
144 # https://www.govinfo.gov/content/pkg/PLAW-109publ58/pdf/PLAW-109publ58.pdf |
|
145 # All transitions are at 02:00 local time. |
123 |
146 |
124 # From Arthur David Olson: |
147 # From Arthur David Olson: |
125 # Before the Uniform Time Act of 1966 took effect in 1967, observance of |
148 # Before the Uniform Time Act of 1966 took effect in 1967, observance of |
126 # Daylight Saving Time in the US was by local option, except during wartime. |
149 # Daylight Saving Time in the US was by local option, except during wartime. |
127 |
150 |
173 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
196 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
174 Rule US 1918 1919 - Mar lastSun 2:00 1:00 D |
197 Rule US 1918 1919 - Mar lastSun 2:00 1:00 D |
175 Rule US 1918 1919 - Oct lastSun 2:00 0 S |
198 Rule US 1918 1919 - Oct lastSun 2:00 0 S |
176 Rule US 1942 only - Feb 9 2:00 1:00 W # War |
199 Rule US 1942 only - Feb 9 2:00 1:00 W # War |
177 Rule US 1945 only - Aug 14 23:00u 1:00 P # Peace |
200 Rule US 1945 only - Aug 14 23:00u 1:00 P # Peace |
178 Rule US 1945 only - Sep lastSun 2:00 0 S |
201 Rule US 1945 only - Sep 30 2:00 0 S |
179 Rule US 1967 2006 - Oct lastSun 2:00 0 S |
202 Rule US 1967 2006 - Oct lastSun 2:00 0 S |
180 Rule US 1967 1973 - Apr lastSun 2:00 1:00 D |
203 Rule US 1967 1973 - Apr lastSun 2:00 1:00 D |
181 Rule US 1974 only - Jan 6 2:00 1:00 D |
204 Rule US 1974 only - Jan 6 2:00 1:00 D |
182 Rule US 1975 only - Feb 23 2:00 1:00 D |
205 Rule US 1975 only - Feb lastSun 2:00 1:00 D |
183 Rule US 1976 1986 - Apr lastSun 2:00 1:00 D |
206 Rule US 1976 1986 - Apr lastSun 2:00 1:00 D |
184 Rule US 1987 2006 - Apr Sun>=1 2:00 1:00 D |
207 Rule US 1987 2006 - Apr Sun>=1 2:00 1:00 D |
185 Rule US 2007 max - Mar Sun>=8 2:00 1:00 D |
208 Rule US 2007 max - Mar Sun>=8 2:00 1:00 D |
186 Rule US 2007 max - Nov Sun>=1 2:00 0 S |
209 Rule US 2007 max - Nov Sun>=1 2:00 0 S |
187 |
210 |
194 # a particular place changes whether it observes DST. |
217 # a particular place changes whether it observes DST. |
195 # We put these specifications here in the northamerica file both to |
218 # We put these specifications here in the northamerica file both to |
196 # increase the chances that they'll actually get compiled and to |
219 # increase the chances that they'll actually get compiled and to |
197 # avoid the need to duplicate the US rules in another file. |
220 # avoid the need to duplicate the US rules in another file. |
198 |
221 |
199 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
222 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
200 Zone EST -5:00 - EST |
223 Zone EST -5:00 - EST |
201 Zone MST -7:00 - MST |
224 Zone MST -7:00 - MST |
202 Zone HST -10:00 - HST |
225 Zone HST -10:00 - HST |
203 Zone EST5EDT -5:00 US E%sT |
226 Zone EST5EDT -5:00 US E%sT |
204 Zone CST6CDT -6:00 US C%sT |
227 Zone CST6CDT -6:00 US C%sT |
351 Rule NYC 1920 only - Mar lastSun 2:00 1:00 D |
374 Rule NYC 1920 only - Mar lastSun 2:00 1:00 D |
352 Rule NYC 1920 only - Oct lastSun 2:00 0 S |
375 Rule NYC 1920 only - Oct lastSun 2:00 0 S |
353 Rule NYC 1921 1966 - Apr lastSun 2:00 1:00 D |
376 Rule NYC 1921 1966 - Apr lastSun 2:00 1:00 D |
354 Rule NYC 1921 1954 - Sep lastSun 2:00 0 S |
377 Rule NYC 1921 1954 - Sep lastSun 2:00 0 S |
355 Rule NYC 1955 1966 - Oct lastSun 2:00 0 S |
378 Rule NYC 1955 1966 - Oct lastSun 2:00 0 S |
356 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
379 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
357 Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:03:58 |
380 Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:03:58 |
358 -5:00 US E%sT 1920 |
381 -5:00 US E%sT 1920 |
359 -5:00 NYC E%sT 1942 |
382 -5:00 NYC E%sT 1942 |
360 -5:00 US E%sT 1946 |
383 -5:00 US E%sT 1946 |
361 -5:00 NYC E%sT 1967 |
384 -5:00 NYC E%sT 1967 |
411 Rule Chicago 1920 1921 - Oct lastSun 2:00 0 S |
434 Rule Chicago 1920 1921 - Oct lastSun 2:00 0 S |
412 Rule Chicago 1921 only - Mar lastSun 2:00 1:00 D |
435 Rule Chicago 1921 only - Mar lastSun 2:00 1:00 D |
413 Rule Chicago 1922 1966 - Apr lastSun 2:00 1:00 D |
436 Rule Chicago 1922 1966 - Apr lastSun 2:00 1:00 D |
414 Rule Chicago 1922 1954 - Sep lastSun 2:00 0 S |
437 Rule Chicago 1922 1954 - Sep lastSun 2:00 0 S |
415 Rule Chicago 1955 1966 - Oct lastSun 2:00 0 S |
438 Rule Chicago 1955 1966 - Oct lastSun 2:00 0 S |
416 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
439 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
417 Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:09:24 |
440 Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:09:24 |
418 -6:00 US C%sT 1920 |
441 -6:00 US C%sT 1920 |
419 -6:00 Chicago C%sT 1936 Mar 1 2:00 |
442 -6:00 Chicago C%sT 1936 Mar 1 2:00 |
420 -5:00 - EST 1936 Nov 15 2:00 |
443 -5:00 - EST 1936 Nov 15 2:00 |
421 -6:00 Chicago C%sT 1942 |
444 -6:00 Chicago C%sT 1942 |
479 Rule Denver 1920 1921 - Mar lastSun 2:00 1:00 D |
502 Rule Denver 1920 1921 - Mar lastSun 2:00 1:00 D |
480 Rule Denver 1920 only - Oct lastSun 2:00 0 S |
503 Rule Denver 1920 only - Oct lastSun 2:00 0 S |
481 Rule Denver 1921 only - May 22 2:00 0 S |
504 Rule Denver 1921 only - May 22 2:00 0 S |
482 Rule Denver 1965 1966 - Apr lastSun 2:00 1:00 D |
505 Rule Denver 1965 1966 - Apr lastSun 2:00 1:00 D |
483 Rule Denver 1965 1966 - Oct lastSun 2:00 0 S |
506 Rule Denver 1965 1966 - Oct lastSun 2:00 0 S |
484 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
507 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
485 Zone America/Denver -6:59:56 - LMT 1883 Nov 18 12:00:04 |
508 Zone America/Denver -6:59:56 - LMT 1883 Nov 18 12:00:04 |
486 -7:00 US M%sT 1920 |
509 -7:00 US M%sT 1920 |
487 -7:00 Denver M%sT 1942 |
510 -7:00 Denver M%sT 1942 |
488 -7:00 US M%sT 1946 |
511 -7:00 US M%sT 1946 |
489 -7:00 Denver M%sT 1967 |
512 -7:00 Denver M%sT 1967 |
532 Rule CA 1948 only - Mar 14 2:01 1:00 D |
555 Rule CA 1948 only - Mar 14 2:01 1:00 D |
533 Rule CA 1949 only - Jan 1 2:00 0 S |
556 Rule CA 1949 only - Jan 1 2:00 0 S |
534 Rule CA 1950 1966 - Apr lastSun 1:00 1:00 D |
557 Rule CA 1950 1966 - Apr lastSun 1:00 1:00 D |
535 Rule CA 1950 1961 - Sep lastSun 2:00 0 S |
558 Rule CA 1950 1961 - Sep lastSun 2:00 0 S |
536 Rule CA 1962 1966 - Oct lastSun 2:00 0 S |
559 Rule CA 1962 1966 - Oct lastSun 2:00 0 S |
537 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
560 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
538 Zone America/Los_Angeles -7:52:58 - LMT 1883 Nov 18 12:07:02 |
561 Zone America/Los_Angeles -7:52:58 - LMT 1883 Nov 18 12:07:02 |
539 -8:00 US P%sT 1946 |
562 -8:00 US P%sT 1946 |
540 -8:00 CA P%sT 1967 |
563 -8:00 CA P%sT 1967 |
541 -8:00 US P%sT |
564 -8:00 US P%sT |
542 |
565 |
640 # "fall back" will be on Sunday 2019-01-20 at 02:00: |
663 # "fall back" will be on Sunday 2019-01-20 at 02:00: |
641 # https://www.facebook.com/141055983004923/photos/607150969728753/ |
664 # https://www.facebook.com/141055983004923/photos/607150969728753/ |
642 # So they won't be waiting for Alaska to join them on 2019-03-10, but will |
665 # So they won't be waiting for Alaska to join them on 2019-03-10, but will |
643 # rather change their clocks twice in seven weeks. |
666 # rather change their clocks twice in seven weeks. |
644 |
667 |
645 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
668 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
646 Zone America/Juneau 15:02:19 - LMT 1867 Oct 19 15:33:32 |
669 Zone America/Juneau 15:02:19 - LMT 1867 Oct 19 15:33:32 |
647 -8:57:41 - LMT 1900 Aug 20 12:00 |
670 -8:57:41 - LMT 1900 Aug 20 12:00 |
648 -8:00 - PST 1942 |
671 -8:00 - PST 1942 |
649 -8:00 US P%sT 1946 |
672 -8:00 US P%sT 1946 |
650 -8:00 - PST 1969 |
673 -8:00 - PST 1969 |
760 # of the Territory of Hawaii." |
783 # of the Territory of Hawaii." |
761 # |
784 # |
762 # Note that 1933-05-21 was a Sunday. |
785 # Note that 1933-05-21 was a Sunday. |
763 # We're left to guess the time of day when Act 163 was approved; guess noon. |
786 # We're left to guess the time of day when Act 163 was approved; guess noon. |
764 |
787 |
765 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
788 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
766 Zone Pacific/Honolulu -10:31:26 - LMT 1896 Jan 13 12:00 |
789 Zone Pacific/Honolulu -10:31:26 - LMT 1896 Jan 13 12:00 |
767 -10:30 - HST 1933 Apr 30 2:00 |
790 -10:30 - HST 1933 Apr 30 2:00 |
768 -10:30 1:00 HDT 1933 May 21 12:00 |
791 -10:30 1:00 HDT 1933 May 21 12:00 |
769 -10:30 US H%sT 1947 Jun 8 2:00 |
792 -10:30 US H%sT 1947 Jun 8 2:00 |
770 -10:00 - HST |
793 -10:00 - HST |
790 # Laws 1968, ch. 183 (effective 1968-03-21) repealed DST. |
813 # Laws 1968, ch. 183 (effective 1968-03-21) repealed DST. |
791 # |
814 # |
792 # Shanks says the 1944 experiment came to an end on 1944-03-17. |
815 # Shanks says the 1944 experiment came to an end on 1944-03-17. |
793 # Go with the Arizona State Library instead. |
816 # Go with the Arizona State Library instead. |
794 |
817 |
795 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
818 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
796 Zone America/Phoenix -7:28:18 - LMT 1883 Nov 18 11:31:42 |
819 Zone America/Phoenix -7:28:18 - LMT 1883 Nov 18 11:31:42 |
797 -7:00 US M%sT 1944 Jan 1 0:01 |
820 -7:00 US M%sT 1944 Jan 1 0:01 |
798 -7:00 - MST 1944 Apr 1 0:01 |
821 -7:00 - MST 1944 Apr 1 0:01 |
799 -7:00 US M%sT 1944 Oct 1 0:01 |
822 -7:00 US M%sT 1944 Oct 1 0:01 |
800 -7:00 - MST 1967 |
823 -7:00 - MST 1967 |
816 # Lemhi, Lincoln, Madison, Minidoka, Oneida, Owyhee, Payette, Power, |
839 # Lemhi, Lincoln, Madison, Minidoka, Oneida, Owyhee, Payette, Power, |
817 # Teton, Twin Falls, Valley, Washington counties, and the southern |
840 # Teton, Twin Falls, Valley, Washington counties, and the southern |
818 # quarter of Idaho county) and eastern Oregon (most of Malheur County) |
841 # quarter of Idaho county) and eastern Oregon (most of Malheur County) |
819 # switched four weeks late in 1974. |
842 # switched four weeks late in 1974. |
820 # |
843 # |
821 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
844 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
822 Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:15:11 |
845 Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:15:11 |
823 -8:00 US P%sT 1923 May 13 2:00 |
846 -8:00 US P%sT 1923 May 13 2:00 |
824 -7:00 US M%sT 1974 |
847 -7:00 US M%sT 1974 |
825 -7:00 - MST 1974 Feb 3 2:00 |
848 -7:00 - MST 1974 Feb 3 2:00 |
826 -7:00 US M%sT |
849 -7:00 US M%sT |
888 |
911 |
889 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER |
912 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER |
890 Rule Indianapolis 1941 only - Jun 22 2:00 1:00 D |
913 Rule Indianapolis 1941 only - Jun 22 2:00 1:00 D |
891 Rule Indianapolis 1941 1954 - Sep lastSun 2:00 0 S |
914 Rule Indianapolis 1941 1954 - Sep lastSun 2:00 0 S |
892 Rule Indianapolis 1946 1954 - Apr lastSun 2:00 1:00 D |
915 Rule Indianapolis 1946 1954 - Apr lastSun 2:00 1:00 D |
893 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
916 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
894 Zone America/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22 |
917 Zone America/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22 |
895 -6:00 US C%sT 1920 |
918 -6:00 US C%sT 1920 |
896 -6:00 Indianapolis C%sT 1942 |
919 -6:00 Indianapolis C%sT 1942 |
897 -6:00 US C%sT 1946 |
920 -6:00 US C%sT 1946 |
898 -6:00 Indianapolis C%sT 1955 Apr 24 2:00 |
921 -6:00 Indianapolis C%sT 1955 Apr 24 2:00 |
908 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER |
931 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER |
909 Rule Marengo 1951 only - Apr lastSun 2:00 1:00 D |
932 Rule Marengo 1951 only - Apr lastSun 2:00 1:00 D |
910 Rule Marengo 1951 only - Sep lastSun 2:00 0 S |
933 Rule Marengo 1951 only - Sep lastSun 2:00 0 S |
911 Rule Marengo 1954 1960 - Apr lastSun 2:00 1:00 D |
934 Rule Marengo 1954 1960 - Apr lastSun 2:00 1:00 D |
912 Rule Marengo 1954 1960 - Sep lastSun 2:00 0 S |
935 Rule Marengo 1954 1960 - Sep lastSun 2:00 0 S |
913 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
936 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
914 Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:14:37 |
937 Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:14:37 |
915 -6:00 US C%sT 1951 |
938 -6:00 US C%sT 1951 |
916 -6:00 Marengo C%sT 1961 Apr 30 2:00 |
939 -6:00 Marengo C%sT 1961 Apr 30 2:00 |
917 -5:00 - EST 1969 |
940 -5:00 - EST 1969 |
918 -5:00 US E%sT 1974 Jan 6 2:00 |
941 -5:00 US E%sT 1974 Jan 6 2:00 |
932 Rule Vincennes 1955 only - May 1 0:00 1:00 D |
955 Rule Vincennes 1955 only - May 1 0:00 1:00 D |
933 Rule Vincennes 1956 1963 - Apr lastSun 2:00 1:00 D |
956 Rule Vincennes 1956 1963 - Apr lastSun 2:00 1:00 D |
934 Rule Vincennes 1960 only - Oct lastSun 2:00 0 S |
957 Rule Vincennes 1960 only - Oct lastSun 2:00 0 S |
935 Rule Vincennes 1961 only - Sep lastSun 2:00 0 S |
958 Rule Vincennes 1961 only - Sep lastSun 2:00 0 S |
936 Rule Vincennes 1962 1963 - Oct lastSun 2:00 0 S |
959 Rule Vincennes 1962 1963 - Oct lastSun 2:00 0 S |
937 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
960 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
938 Zone America/Indiana/Vincennes -5:50:07 - LMT 1883 Nov 18 12:09:53 |
961 Zone America/Indiana/Vincennes -5:50:07 - LMT 1883 Nov 18 12:09:53 |
939 -6:00 US C%sT 1946 |
962 -6:00 US C%sT 1946 |
940 -6:00 Vincennes C%sT 1964 Apr 26 2:00 |
963 -6:00 Vincennes C%sT 1964 Apr 26 2:00 |
941 -5:00 - EST 1969 |
964 -5:00 - EST 1969 |
942 -5:00 US E%sT 1971 |
965 -5:00 US E%sT 1971 |
953 Rule Perry 1955 only - May 1 0:00 1:00 D |
976 Rule Perry 1955 only - May 1 0:00 1:00 D |
954 Rule Perry 1956 1963 - Apr lastSun 2:00 1:00 D |
977 Rule Perry 1956 1963 - Apr lastSun 2:00 1:00 D |
955 Rule Perry 1960 only - Oct lastSun 2:00 0 S |
978 Rule Perry 1960 only - Oct lastSun 2:00 0 S |
956 Rule Perry 1961 only - Sep lastSun 2:00 0 S |
979 Rule Perry 1961 only - Sep lastSun 2:00 0 S |
957 Rule Perry 1962 1963 - Oct lastSun 2:00 0 S |
980 Rule Perry 1962 1963 - Oct lastSun 2:00 0 S |
958 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
981 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
959 Zone America/Indiana/Tell_City -5:47:03 - LMT 1883 Nov 18 12:12:57 |
982 Zone America/Indiana/Tell_City -5:47:03 - LMT 1883 Nov 18 12:12:57 |
960 -6:00 US C%sT 1946 |
983 -6:00 US C%sT 1946 |
961 -6:00 Perry C%sT 1964 Apr 26 2:00 |
984 -6:00 Perry C%sT 1964 Apr 26 2:00 |
962 -5:00 - EST 1969 |
985 -5:00 - EST 1969 |
963 -5:00 US E%sT 1971 |
986 -5:00 US E%sT 1971 |
969 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER |
992 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER |
970 Rule Pike 1955 only - May 1 0:00 1:00 D |
993 Rule Pike 1955 only - May 1 0:00 1:00 D |
971 Rule Pike 1955 1960 - Sep lastSun 2:00 0 S |
994 Rule Pike 1955 1960 - Sep lastSun 2:00 0 S |
972 Rule Pike 1956 1964 - Apr lastSun 2:00 1:00 D |
995 Rule Pike 1956 1964 - Apr lastSun 2:00 1:00 D |
973 Rule Pike 1961 1964 - Oct lastSun 2:00 0 S |
996 Rule Pike 1961 1964 - Oct lastSun 2:00 0 S |
974 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
997 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
975 Zone America/Indiana/Petersburg -5:49:07 - LMT 1883 Nov 18 12:10:53 |
998 Zone America/Indiana/Petersburg -5:49:07 - LMT 1883 Nov 18 12:10:53 |
976 -6:00 US C%sT 1955 |
999 -6:00 US C%sT 1955 |
977 -6:00 Pike C%sT 1965 Apr 25 2:00 |
1000 -6:00 Pike C%sT 1965 Apr 25 2:00 |
978 -5:00 - EST 1966 Oct 30 2:00 |
1001 -5:00 - EST 1966 Oct 30 2:00 |
979 -6:00 US C%sT 1977 Oct 30 2:00 |
1002 -6:00 US C%sT 1977 Oct 30 2:00 |
991 Rule Starke 1947 1961 - Apr lastSun 2:00 1:00 D |
1014 Rule Starke 1947 1961 - Apr lastSun 2:00 1:00 D |
992 Rule Starke 1947 1954 - Sep lastSun 2:00 0 S |
1015 Rule Starke 1947 1954 - Sep lastSun 2:00 0 S |
993 Rule Starke 1955 1956 - Oct lastSun 2:00 0 S |
1016 Rule Starke 1955 1956 - Oct lastSun 2:00 0 S |
994 Rule Starke 1957 1958 - Sep lastSun 2:00 0 S |
1017 Rule Starke 1957 1958 - Sep lastSun 2:00 0 S |
995 Rule Starke 1959 1961 - Oct lastSun 2:00 0 S |
1018 Rule Starke 1959 1961 - Oct lastSun 2:00 0 S |
996 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1019 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
997 Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:13:30 |
1020 Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:13:30 |
998 -6:00 US C%sT 1947 |
1021 -6:00 US C%sT 1947 |
999 -6:00 Starke C%sT 1962 Apr 29 2:00 |
1022 -6:00 Starke C%sT 1962 Apr 29 2:00 |
1000 -5:00 - EST 1963 Oct 27 2:00 |
1023 -5:00 - EST 1963 Oct 27 2:00 |
1001 -6:00 US C%sT 1991 Oct 27 2:00 |
1024 -6:00 US C%sT 1991 Oct 27 2:00 |
1007 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER |
1030 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER |
1008 Rule Pulaski 1946 1960 - Apr lastSun 2:00 1:00 D |
1031 Rule Pulaski 1946 1960 - Apr lastSun 2:00 1:00 D |
1009 Rule Pulaski 1946 1954 - Sep lastSun 2:00 0 S |
1032 Rule Pulaski 1946 1954 - Sep lastSun 2:00 0 S |
1010 Rule Pulaski 1955 1956 - Oct lastSun 2:00 0 S |
1033 Rule Pulaski 1955 1956 - Oct lastSun 2:00 0 S |
1011 Rule Pulaski 1957 1960 - Sep lastSun 2:00 0 S |
1034 Rule Pulaski 1957 1960 - Sep lastSun 2:00 0 S |
1012 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1035 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
1013 Zone America/Indiana/Winamac -5:46:25 - LMT 1883 Nov 18 12:13:35 |
1036 Zone America/Indiana/Winamac -5:46:25 - LMT 1883 Nov 18 12:13:35 |
1014 -6:00 US C%sT 1946 |
1037 -6:00 US C%sT 1946 |
1015 -6:00 Pulaski C%sT 1961 Apr 30 2:00 |
1038 -6:00 Pulaski C%sT 1961 Apr 30 2:00 |
1016 -5:00 - EST 1969 |
1039 -5:00 - EST 1969 |
1017 -5:00 US E%sT 1971 |
1040 -5:00 US E%sT 1971 |
1018 -5:00 - EST 2006 Apr 2 2:00 |
1041 -5:00 - EST 2006 Apr 2 2:00 |
1019 -6:00 US C%sT 2007 Mar 11 2:00 |
1042 -6:00 US C%sT 2007 Mar 11 2:00 |
1020 -5:00 US E%sT |
1043 -5:00 US E%sT |
1021 # |
1044 # |
1022 # Switzerland County, Indiana, did not observe DST from 1973 through 2005. |
1045 # Switzerland County, Indiana, did not observe DST from 1973 through 2005. |
1023 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1046 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
1024 Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:19:44 |
1047 Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:19:44 |
1025 -6:00 US C%sT 1954 Apr 25 2:00 |
1048 -6:00 US C%sT 1954 Apr 25 2:00 |
1026 -5:00 - EST 1969 |
1049 -5:00 - EST 1969 |
1027 -5:00 US E%sT 1973 |
1050 -5:00 US E%sT 1973 |
1028 -5:00 - EST 2006 |
1051 -5:00 - EST 2006 |
1043 Rule Louisville 1941 1961 - Apr lastSun 2:00 1:00 D |
1066 Rule Louisville 1941 1961 - Apr lastSun 2:00 1:00 D |
1044 Rule Louisville 1941 only - Sep lastSun 2:00 0 S |
1067 Rule Louisville 1941 only - Sep lastSun 2:00 0 S |
1045 Rule Louisville 1946 only - Jun 2 2:00 0 S |
1068 Rule Louisville 1946 only - Jun 2 2:00 0 S |
1046 Rule Louisville 1950 1955 - Sep lastSun 2:00 0 S |
1069 Rule Louisville 1950 1955 - Sep lastSun 2:00 0 S |
1047 Rule Louisville 1956 1960 - Oct lastSun 2:00 0 S |
1070 Rule Louisville 1956 1960 - Oct lastSun 2:00 0 S |
1048 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1071 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
1049 Zone America/Kentucky/Louisville -5:43:02 - LMT 1883 Nov 18 12:16:58 |
1072 Zone America/Kentucky/Louisville -5:43:02 - LMT 1883 Nov 18 12:16:58 |
1050 -6:00 US C%sT 1921 |
1073 -6:00 US C%sT 1921 |
1051 -6:00 Louisville C%sT 1942 |
1074 -6:00 Louisville C%sT 1942 |
1052 -6:00 US C%sT 1946 |
1075 -6:00 US C%sT 1946 |
1053 -6:00 Louisville C%sT 1961 Jul 23 2:00 |
1076 -6:00 Louisville C%sT 1961 Jul 23 2:00 |
1149 # |
1172 # |
1150 # Most of Michigan observed DST from 1973 on, but was a bit late in 1975. |
1173 # Most of Michigan observed DST from 1973 on, but was a bit late in 1975. |
1151 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER |
1174 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER |
1152 Rule Detroit 1948 only - Apr lastSun 2:00 1:00 D |
1175 Rule Detroit 1948 only - Apr lastSun 2:00 1:00 D |
1153 Rule Detroit 1948 only - Sep lastSun 2:00 0 S |
1176 Rule Detroit 1948 only - Sep lastSun 2:00 0 S |
1154 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1177 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
1155 Zone America/Detroit -5:32:11 - LMT 1905 |
1178 Zone America/Detroit -5:32:11 - LMT 1905 |
1156 -6:00 - CST 1915 May 15 2:00 |
1179 -6:00 - CST 1915 May 15 2:00 |
1157 -5:00 - EST 1942 |
1180 -5:00 - EST 1942 |
1158 -5:00 US E%sT 1946 |
1181 -5:00 US E%sT 1946 |
1159 -5:00 Detroit E%sT 1973 |
1182 -5:00 Detroit E%sT 1973 |
1166 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER |
1189 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER |
1167 Rule Menominee 1946 only - Apr lastSun 2:00 1:00 D |
1190 Rule Menominee 1946 only - Apr lastSun 2:00 1:00 D |
1168 Rule Menominee 1946 only - Sep lastSun 2:00 0 S |
1191 Rule Menominee 1946 only - Sep lastSun 2:00 0 S |
1169 Rule Menominee 1966 only - Apr lastSun 2:00 1:00 D |
1192 Rule Menominee 1966 only - Apr lastSun 2:00 1:00 D |
1170 Rule Menominee 1966 only - Oct lastSun 2:00 0 S |
1193 Rule Menominee 1966 only - Oct lastSun 2:00 0 S |
1171 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1194 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
1172 Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 |
1195 Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 |
1173 -6:00 US C%sT 1946 |
1196 -6:00 US C%sT 1946 |
1174 -6:00 Menominee C%sT 1969 Apr 27 2:00 |
1197 -6:00 Menominee C%sT 1969 Apr 27 2:00 |
1175 -5:00 - EST 1973 Apr 29 2:00 |
1198 -5:00 - EST 1973 Apr 29 2:00 |
1176 -6:00 US C%sT |
1199 -6:00 US C%sT |
1400 Rule StJohns 1989 2006 - Apr Sun>=1 0:01 1:00 D |
1423 Rule StJohns 1989 2006 - Apr Sun>=1 0:01 1:00 D |
1401 Rule StJohns 2007 2011 - Mar Sun>=8 0:01 1:00 D |
1424 Rule StJohns 2007 2011 - Mar Sun>=8 0:01 1:00 D |
1402 Rule StJohns 2007 2010 - Nov Sun>=1 0:01 0 S |
1425 Rule StJohns 2007 2010 - Nov Sun>=1 0:01 0 S |
1403 # |
1426 # |
1404 # St John's has an apostrophe, but Posix file names can't have apostrophes. |
1427 # St John's has an apostrophe, but Posix file names can't have apostrophes. |
1405 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1428 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
1406 Zone America/St_Johns -3:30:52 - LMT 1884 |
1429 Zone America/St_Johns -3:30:52 - LMT 1884 |
1407 -3:30:52 StJohns N%sT 1918 |
1430 -3:30:52 StJohns N%sT 1918 |
1408 -3:30:52 Canada N%sT 1919 |
1431 -3:30:52 Canada N%sT 1919 |
1409 -3:30:52 StJohns N%sT 1935 Mar 30 |
1432 -3:30:52 StJohns N%sT 1935 Mar 30 |
1410 -3:30 StJohns N%sT 1942 May 11 |
1433 -3:30 StJohns N%sT 1942 May 11 |
1487 Rule Halifax 1951 1954 - Sep lastSun 2:00 0 S |
1510 Rule Halifax 1951 1954 - Sep lastSun 2:00 0 S |
1488 Rule Halifax 1956 1959 - Apr lastSun 2:00 1:00 D |
1511 Rule Halifax 1956 1959 - Apr lastSun 2:00 1:00 D |
1489 Rule Halifax 1956 1959 - Sep lastSun 2:00 0 S |
1512 Rule Halifax 1956 1959 - Sep lastSun 2:00 0 S |
1490 Rule Halifax 1962 1973 - Apr lastSun 2:00 1:00 D |
1513 Rule Halifax 1962 1973 - Apr lastSun 2:00 1:00 D |
1491 Rule Halifax 1962 1973 - Oct lastSun 2:00 0 S |
1514 Rule Halifax 1962 1973 - Oct lastSun 2:00 0 S |
1492 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1515 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
1493 Zone America/Halifax -4:14:24 - LMT 1902 Jun 15 |
1516 Zone America/Halifax -4:14:24 - LMT 1902 Jun 15 |
1494 -4:00 Halifax A%sT 1918 |
1517 -4:00 Halifax A%sT 1918 |
1495 -4:00 Canada A%sT 1919 |
1518 -4:00 Canada A%sT 1919 |
1496 -4:00 Halifax A%sT 1942 Feb 9 2:00s |
1519 -4:00 Halifax A%sT 1942 Feb 9 2:00s |
1497 -4:00 Canada A%sT 1946 |
1520 -4:00 Canada A%sT 1946 |
1525 Rule Moncton 1946 1972 - Apr lastSun 2:00 1:00 D |
1548 Rule Moncton 1946 1972 - Apr lastSun 2:00 1:00 D |
1526 Rule Moncton 1946 1956 - Sep lastSun 2:00 0 S |
1549 Rule Moncton 1946 1956 - Sep lastSun 2:00 0 S |
1527 Rule Moncton 1957 1972 - Oct lastSun 2:00 0 S |
1550 Rule Moncton 1957 1972 - Oct lastSun 2:00 0 S |
1528 Rule Moncton 1993 2006 - Apr Sun>=1 0:01 1:00 D |
1551 Rule Moncton 1993 2006 - Apr Sun>=1 0:01 1:00 D |
1529 Rule Moncton 1993 2006 - Oct lastSun 0:01 0 S |
1552 Rule Moncton 1993 2006 - Oct lastSun 0:01 0 S |
1530 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1553 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
1531 Zone America/Moncton -4:19:08 - LMT 1883 Dec 9 |
1554 Zone America/Moncton -4:19:08 - LMT 1883 Dec 9 |
1532 -5:00 - EST 1902 Jun 15 |
1555 -5:00 - EST 1902 Jun 15 |
1533 -4:00 Canada A%sT 1933 |
1556 -4:00 Canada A%sT 1933 |
1534 -4:00 Moncton A%sT 1942 |
1557 -4:00 Moncton A%sT 1942 |
1535 -4:00 Canada A%sT 1946 |
1558 -4:00 Canada A%sT 1946 |
1554 # https://www.assnat.qc.ca/Media/Process.aspx?MediaId=ANQ.Vigie.Bll.DocumentGenerique_8845en |
1577 # https://www.assnat.qc.ca/Media/Process.aspx?MediaId=ANQ.Vigie.Bll.DocumentGenerique_8845en |
1555 # says this common practice was codified into law as of 2007. |
1578 # says this common practice was codified into law as of 2007. |
1556 # For lack of better info, guess this practice began around 1970, contra to |
1579 # For lack of better info, guess this practice began around 1970, contra to |
1557 # Shanks & Pottenger who have this region observing AST/ADT. |
1580 # Shanks & Pottenger who have this region observing AST/ADT. |
1558 |
1581 |
1559 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1582 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
1560 Zone America/Blanc-Sablon -3:48:28 - LMT 1884 |
1583 Zone America/Blanc-Sablon -3:48:28 - LMT 1884 |
1561 -4:00 Canada A%sT 1970 |
1584 -4:00 Canada A%sT 1970 |
1562 -4:00 - AST |
1585 -4:00 - AST |
1563 |
1586 |
1564 # Ontario |
1587 # Ontario |
1722 Rule Toronto 1922 1923 - May Sun>=8 2:00 1:00 D |
1745 Rule Toronto 1922 1923 - May Sun>=8 2:00 1:00 D |
1723 # Shanks & Pottenger say 1923-09-19; assume it's a typo and that "-16" |
1746 # Shanks & Pottenger say 1923-09-19; assume it's a typo and that "-16" |
1724 # was meant. |
1747 # was meant. |
1725 Rule Toronto 1922 1926 - Sep Sun>=15 2:00 0 S |
1748 Rule Toronto 1922 1926 - Sep Sun>=15 2:00 0 S |
1726 Rule Toronto 1924 1927 - May Sun>=1 2:00 1:00 D |
1749 Rule Toronto 1924 1927 - May Sun>=1 2:00 1:00 D |
1727 # The 1927-to-1939 rules can be expressed more simply as |
1750 Rule Toronto 1927 1937 - Sep Sun>=25 2:00 0 S |
1728 # Rule Toronto 1927 1937 - Sep Sun>=25 2:00 0 S |
1751 Rule Toronto 1928 1937 - Apr Sun>=25 2:00 1:00 D |
1729 # Rule Toronto 1928 1937 - Apr Sun>=25 2:00 1:00 D |
1752 Rule Toronto 1938 1940 - Apr lastSun 2:00 1:00 D |
1730 # Rule Toronto 1938 1940 - Apr lastSun 2:00 1:00 D |
1753 Rule Toronto 1938 1939 - Sep lastSun 2:00 0 S |
1731 # Rule Toronto 1938 1939 - Sep lastSun 2:00 0 S |
|
1732 # The rules below avoid use of Sun>=25 |
|
1733 # (which pre-2004 versions of zic cannot handle). |
|
1734 Rule Toronto 1927 1932 - Sep lastSun 2:00 0 S |
|
1735 Rule Toronto 1928 1931 - Apr lastSun 2:00 1:00 D |
|
1736 Rule Toronto 1932 only - May 1 2:00 1:00 D |
|
1737 Rule Toronto 1933 1940 - Apr lastSun 2:00 1:00 D |
|
1738 Rule Toronto 1933 only - Oct 1 2:00 0 S |
|
1739 Rule Toronto 1934 1939 - Sep lastSun 2:00 0 S |
|
1740 Rule Toronto 1945 1946 - Sep lastSun 2:00 0 S |
1754 Rule Toronto 1945 1946 - Sep lastSun 2:00 0 S |
1741 Rule Toronto 1946 only - Apr lastSun 2:00 1:00 D |
1755 Rule Toronto 1946 only - Apr lastSun 2:00 1:00 D |
1742 Rule Toronto 1947 1949 - Apr lastSun 0:00 1:00 D |
1756 Rule Toronto 1947 1949 - Apr lastSun 0:00 1:00 D |
1743 Rule Toronto 1947 1948 - Sep lastSun 0:00 0 S |
1757 Rule Toronto 1947 1948 - Sep lastSun 0:00 0 S |
1744 Rule Toronto 1949 only - Nov lastSun 0:00 0 S |
1758 Rule Toronto 1949 only - Nov lastSun 0:00 0 S |
1767 # savings time in 1916, Fort William and Port Arthur, having done so |
1781 # savings time in 1916, Fort William and Port Arthur, having done so |
1768 # already, did not change their clocks.... During the Second World |
1782 # already, did not change their clocks.... During the Second World |
1769 # War,... [t]he cities agreed to implement DST during the summer |
1783 # War,... [t]he cities agreed to implement DST during the summer |
1770 # months for the remainder of the war years. |
1784 # months for the remainder of the war years. |
1771 |
1785 |
1772 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1786 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
1773 Zone America/Toronto -5:17:32 - LMT 1895 |
1787 Zone America/Toronto -5:17:32 - LMT 1895 |
1774 -5:00 Canada E%sT 1919 |
1788 -5:00 Canada E%sT 1919 |
1775 -5:00 Toronto E%sT 1942 Feb 9 2:00s |
1789 -5:00 Toronto E%sT 1942 Feb 9 2:00s |
1776 -5:00 Canada E%sT 1946 |
1790 -5:00 Canada E%sT 1946 |
1777 -5:00 Toronto E%sT 1974 |
1791 -5:00 Toronto E%sT 1974 |
1842 Rule Winn 1963 only - Apr lastSun 2:00 1:00 D |
1856 Rule Winn 1963 only - Apr lastSun 2:00 1:00 D |
1843 Rule Winn 1963 only - Sep 22 2:00 0 S |
1857 Rule Winn 1963 only - Sep 22 2:00 0 S |
1844 Rule Winn 1966 1986 - Apr lastSun 2:00s 1:00 D |
1858 Rule Winn 1966 1986 - Apr lastSun 2:00s 1:00 D |
1845 Rule Winn 1966 2005 - Oct lastSun 2:00s 0 S |
1859 Rule Winn 1966 2005 - Oct lastSun 2:00s 0 S |
1846 Rule Winn 1987 2005 - Apr Sun>=1 2:00s 1:00 D |
1860 Rule Winn 1987 2005 - Apr Sun>=1 2:00s 1:00 D |
1847 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1861 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
1848 Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16 |
1862 Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16 |
1849 -6:00 Winn C%sT 2006 |
1863 -6:00 Winn C%sT 2006 |
1850 -6:00 Canada C%sT |
1864 -6:00 Canada C%sT |
1851 |
1865 |
1852 |
1866 |
1863 # time was noted. |
1877 # time was noted. |
1864 |
1878 |
1865 # From Paul Eggert (2003-07-27): |
1879 # From Paul Eggert (2003-07-27): |
1866 # Willett (1914-03) notes that DST "has been in operation ... in the |
1880 # Willett (1914-03) notes that DST "has been in operation ... in the |
1867 # City of Moose Jaw, Saskatchewan, for one year." |
1881 # City of Moose Jaw, Saskatchewan, for one year." |
|
1882 |
|
1883 # From Paul Eggert (2019-04-26): |
|
1884 # Chris Pearce's book "The Great Daylight Saving Time Controversy" (2017) |
|
1885 # says that Regina observed DST in 1914-1917. No dates and times, |
|
1886 # unfortunately. It also says that in 1914 Saskatoon observed DST |
|
1887 # from 1 June to 6 July, and that DST was also tried out in Davidson, |
|
1888 # Melfort, and Prince Albert. |
1868 |
1889 |
1869 # From Paul Eggert (2006-03-22): |
1890 # From Paul Eggert (2006-03-22): |
1870 # Shanks & Pottenger say that since 1970 this region has mostly been as Regina. |
1891 # Shanks & Pottenger say that since 1970 this region has mostly been as Regina. |
1871 # Some western towns (e.g. Swift Current) switched from MST/MDT to CST in 1972. |
1892 # Some western towns (e.g. Swift Current) switched from MST/MDT to CST in 1972. |
1872 # Other western towns (e.g. Lloydminster) are like Edmonton. |
1893 # Other western towns (e.g. Lloydminster) are like Edmonton. |
1926 Rule Swift 1957 only - Apr lastSun 2:00 1:00 D |
1947 Rule Swift 1957 only - Apr lastSun 2:00 1:00 D |
1927 Rule Swift 1957 only - Oct lastSun 2:00 0 S |
1948 Rule Swift 1957 only - Oct lastSun 2:00 0 S |
1928 Rule Swift 1959 1961 - Apr lastSun 2:00 1:00 D |
1949 Rule Swift 1959 1961 - Apr lastSun 2:00 1:00 D |
1929 Rule Swift 1959 only - Oct lastSun 2:00 0 S |
1950 Rule Swift 1959 only - Oct lastSun 2:00 0 S |
1930 Rule Swift 1960 1961 - Sep lastSun 2:00 0 S |
1951 Rule Swift 1960 1961 - Sep lastSun 2:00 0 S |
1931 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1952 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
1932 Zone America/Regina -6:58:36 - LMT 1905 Sep |
1953 Zone America/Regina -6:58:36 - LMT 1905 Sep |
1933 -7:00 Regina M%sT 1960 Apr lastSun 2:00 |
1954 -7:00 Regina M%sT 1960 Apr lastSun 2:00 |
1934 -6:00 - CST |
1955 -6:00 - CST |
1935 Zone America/Swift_Current -7:11:20 - LMT 1905 Sep |
1956 Zone America/Swift_Current -7:11:20 - LMT 1905 Sep |
1936 -7:00 Canada M%sT 1946 Apr lastSun 2:00 |
1957 -7:00 Canada M%sT 1946 Apr lastSun 2:00 |
1957 Rule Edm 1967 only - Oct lastSun 2:00 0 S |
1978 Rule Edm 1967 only - Oct lastSun 2:00 0 S |
1958 Rule Edm 1969 only - Apr lastSun 2:00 1:00 D |
1979 Rule Edm 1969 only - Apr lastSun 2:00 1:00 D |
1959 Rule Edm 1969 only - Oct lastSun 2:00 0 S |
1980 Rule Edm 1969 only - Oct lastSun 2:00 0 S |
1960 Rule Edm 1972 1986 - Apr lastSun 2:00 1:00 D |
1981 Rule Edm 1972 1986 - Apr lastSun 2:00 1:00 D |
1961 Rule Edm 1972 2006 - Oct lastSun 2:00 0 S |
1982 Rule Edm 1972 2006 - Oct lastSun 2:00 0 S |
1962 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1983 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
1963 Zone America/Edmonton -7:33:52 - LMT 1906 Sep |
1984 Zone America/Edmonton -7:33:52 - LMT 1906 Sep |
1964 -7:00 Edm M%sT 1987 |
1985 -7:00 Edm M%sT 1987 |
1965 -7:00 Canada M%sT |
1986 -7:00 Canada M%sT |
1966 |
1987 |
1967 |
1988 |
2050 Rule Vanc 1945 only - Sep 30 2:00 0 S |
2071 Rule Vanc 1945 only - Sep 30 2:00 0 S |
2051 Rule Vanc 1946 1986 - Apr lastSun 2:00 1:00 D |
2072 Rule Vanc 1946 1986 - Apr lastSun 2:00 1:00 D |
2052 Rule Vanc 1946 only - Oct 13 2:00 0 S |
2073 Rule Vanc 1946 only - Oct 13 2:00 0 S |
2053 Rule Vanc 1947 1961 - Sep lastSun 2:00 0 S |
2074 Rule Vanc 1947 1961 - Sep lastSun 2:00 0 S |
2054 Rule Vanc 1962 2006 - Oct lastSun 2:00 0 S |
2075 Rule Vanc 1962 2006 - Oct lastSun 2:00 0 S |
2055 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
2076 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
2056 Zone America/Vancouver -8:12:28 - LMT 1884 |
2077 Zone America/Vancouver -8:12:28 - LMT 1884 |
2057 -8:00 Vanc P%sT 1987 |
2078 -8:00 Vanc P%sT 1987 |
2058 -8:00 Canada P%sT |
2079 -8:00 Canada P%sT |
2059 Zone America/Dawson_Creek -8:00:56 - LMT 1884 |
2080 Zone America/Dawson_Creek -8:00:56 - LMT 1884 |
2060 -8:00 Canada P%sT 1947 |
2081 -8:00 Canada P%sT 1947 |
2121 # |
2142 # |
2122 # (2) Notwithstanding subsection (1), the Commissioner may make regulations |
2143 # (2) Notwithstanding subsection (1), the Commissioner may make regulations |
2123 # varying the manner of reckoning standard time. |
2144 # varying the manner of reckoning standard time. |
2124 # |
2145 # |
2125 # * Yukon Territory Commissioner's Order 1966-20 Interpretation Ordinance |
2146 # * Yukon Territory Commissioner's Order 1966-20 Interpretation Ordinance |
2126 # http://? - no online source found |
2147 # [no online source found] |
2127 # |
2148 # |
2128 # * Standard Time and Time Zones in Canada; Thomson, Malcolm M.; JRASC, |
2149 # * Standard Time and Time Zones in Canada; Thomson, Malcolm M.; JRASC, |
2129 # Vol. 64, pp.129-162; June 1970; SAO/NASA Astrophysics Data System (ADS) |
2150 # Vol. 64, pp.129-162; June 1970; SAO/NASA Astrophysics Data System (ADS) |
2130 # http://adsabs.harvard.edu/abs/1970JRASC..64..129T from p.156: Yukon |
2151 # http://adsabs.harvard.edu/abs/1970JRASC..64..129T from p.156: Yukon |
2131 # Territory Commissioner's Order 1967-59 Interpretation Ordinance ... |
2152 # Territory Commissioner's Order 1967-59 Interpretation Ordinance ... |
2154 # Act from and after midnight on the twenty-eighth day of October, 1973 |
2175 # Act from and after midnight on the twenty-eighth day of October, 1973 |
2155 # shall be reckoned in the same manner as Pacific Standard Time, that is |
2176 # shall be reckoned in the same manner as Pacific Standard Time, that is |
2156 # to say eight hours behind Greenwich Time. |
2177 # to say eight hours behind Greenwich Time. |
2157 # |
2178 # |
2158 # * O.I.C. 1980/02 INTERPRETATION ACT |
2179 # * O.I.C. 1980/02 INTERPRETATION ACT |
2159 # http://? - no online source found |
2180 # [no online source found] |
2160 # |
2181 # |
2161 # * Yukon Daylight Saving Time, YOIC 1987/56 |
2182 # * Yukon Daylight Saving Time, YOIC 1987/56 |
2162 # https://www.canlii.org/en/yk/laws/regu/yoic-1987-56/latest/yoic-1987-56.html |
2183 # https://www.canlii.org/en/yk/laws/regu/yoic-1987-56/latest/yoic-1987-56.html |
2163 # O.I.C. 1987/056 INTERPRETATION ACT ... |
2184 # O.I.C. 1987/056 INTERPRETATION ACT ... |
2164 # |
2185 # |
2370 Rule NT_YK 1965 only - Apr lastSun 0:00 2:00 DD |
2391 Rule NT_YK 1965 only - Apr lastSun 0:00 2:00 DD |
2371 Rule NT_YK 1965 only - Oct lastSun 2:00 0 S |
2392 Rule NT_YK 1965 only - Oct lastSun 2:00 0 S |
2372 Rule NT_YK 1980 1986 - Apr lastSun 2:00 1:00 D |
2393 Rule NT_YK 1980 1986 - Apr lastSun 2:00 1:00 D |
2373 Rule NT_YK 1980 2006 - Oct lastSun 2:00 0 S |
2394 Rule NT_YK 1980 2006 - Oct lastSun 2:00 0 S |
2374 Rule NT_YK 1987 2006 - Apr Sun>=1 2:00 1:00 D |
2395 Rule NT_YK 1987 2006 - Apr Sun>=1 2:00 1:00 D |
2375 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
2396 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
2376 # aka Panniqtuuq |
2397 # aka Panniqtuuq |
2377 Zone America/Pangnirtung 0 - -00 1921 # trading post est. |
2398 Zone America/Pangnirtung 0 - -00 1921 # trading post est. |
2378 -4:00 NT_YK A%sT 1995 Apr Sun>=1 2:00 |
2399 -4:00 NT_YK A%sT 1995 Apr Sun>=1 2:00 |
2379 -5:00 Canada E%sT 1999 Oct 31 2:00 |
2400 -5:00 Canada E%sT 1999 Oct 31 2:00 |
2380 -6:00 Canada C%sT 2000 Oct 29 2:00 |
2401 -6:00 Canada C%sT 2000 Oct 29 2:00 |
2517 # (2001-02-01) shows Baja and Chihauhua as still using US DST rules, |
2538 # (2001-02-01) shows Baja and Chihauhua as still using US DST rules, |
2518 # and Sonora with no DST. This was reported by Jesper Nørgaard (2001-02-03). |
2539 # and Sonora with no DST. This was reported by Jesper Nørgaard (2001-02-03). |
2519 |
2540 |
2520 # From Paul Eggert (2001-03-03): |
2541 # From Paul Eggert (2001-03-03): |
2521 # |
2542 # |
2522 # http://www.latimes.com/news/nation/20010303/t000018766.html |
2543 # https://www.latimes.com/archives/la-xpm-2001-mar-03-mn-32561-story.html |
2523 # James F. Smith writes in today's LA Times |
2544 # James F. Smith writes in today's LA Times |
2524 # * Sonora will continue to observe standard time. |
2545 # * Sonora will continue to observe standard time. |
2525 # * Last week Mexico City's mayor Andrés Manuel López Obrador decreed that |
2546 # * Last week Mexico City's mayor Andrés Manuel López Obrador decreed that |
2526 # the Federal District will not adopt DST. |
2547 # the Federal District will not adopt DST. |
2527 # * 4 of 16 district leaders announced they'll ignore the decree. |
2548 # * 4 of 16 district leaders announced they'll ignore the decree. |
2644 Rule Mexico 1996 2000 - Oct lastSun 2:00 0 S |
2665 Rule Mexico 1996 2000 - Oct lastSun 2:00 0 S |
2645 Rule Mexico 2001 only - May Sun>=1 2:00 1:00 D |
2666 Rule Mexico 2001 only - May Sun>=1 2:00 1:00 D |
2646 Rule Mexico 2001 only - Sep lastSun 2:00 0 S |
2667 Rule Mexico 2001 only - Sep lastSun 2:00 0 S |
2647 Rule Mexico 2002 max - Apr Sun>=1 2:00 1:00 D |
2668 Rule Mexico 2002 max - Apr Sun>=1 2:00 1:00 D |
2648 Rule Mexico 2002 max - Oct lastSun 2:00 0 S |
2669 Rule Mexico 2002 max - Oct lastSun 2:00 0 S |
2649 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
2670 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
2650 # Quintana Roo; represented by Cancún |
2671 # Quintana Roo; represented by Cancún |
2651 Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 0:12:56 |
2672 Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 0:12:56 |
2652 -6:00 - CST 1981 Dec 23 |
2673 -6:00 - CST 1981 Dec 23 |
2653 -5:00 Mexico E%sT 1998 Aug 2 2:00 |
2674 -5:00 Mexico E%sT 1998 Aug 2 2:00 |
2654 -6:00 Mexico C%sT 2015 Feb 1 2:00 |
2675 -6:00 Mexico C%sT 2015 Feb 1 2:00 |
2837 # http://www.jonesbahamas.com/?c=45&a=10412 |
2858 # http://www.jonesbahamas.com/?c=45&a=10412 |
2838 |
2859 |
2839 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
2860 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
2840 Rule Bahamas 1964 1975 - Oct lastSun 2:00 0 S |
2861 Rule Bahamas 1964 1975 - Oct lastSun 2:00 0 S |
2841 Rule Bahamas 1964 1975 - Apr lastSun 2:00 1:00 D |
2862 Rule Bahamas 1964 1975 - Apr lastSun 2:00 1:00 D |
2842 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
2863 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
2843 Zone America/Nassau -5:09:30 - LMT 1912 Mar 2 |
2864 Zone America/Nassau -5:09:30 - LMT 1912 Mar 2 |
2844 -5:00 Bahamas E%sT 1976 |
2865 -5:00 Bahamas E%sT 1976 |
2845 -5:00 US E%sT |
2866 -5:00 US E%sT |
2846 |
2867 |
2847 # Barbados |
2868 # Barbados |
2852 Rule Barb 1977 only - Jun 12 2:00 1:00 D |
2873 Rule Barb 1977 only - Jun 12 2:00 1:00 D |
2853 Rule Barb 1977 1978 - Oct Sun>=1 2:00 0 S |
2874 Rule Barb 1977 1978 - Oct Sun>=1 2:00 0 S |
2854 Rule Barb 1978 1980 - Apr Sun>=15 2:00 1:00 D |
2875 Rule Barb 1978 1980 - Apr Sun>=15 2:00 1:00 D |
2855 Rule Barb 1979 only - Sep 30 2:00 0 S |
2876 Rule Barb 1979 only - Sep 30 2:00 0 S |
2856 Rule Barb 1980 only - Sep 25 2:00 0 S |
2877 Rule Barb 1980 only - Sep 25 2:00 0 S |
2857 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
2878 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
2858 Zone America/Barbados -3:58:29 - LMT 1924 # Bridgetown |
2879 Zone America/Barbados -3:58:29 - LMT 1924 # Bridgetown |
2859 -3:58:29 - BMT 1932 # Bridgetown Mean Time |
2880 -3:58:29 - BMT 1932 # Bridgetown Mean Time |
2860 -4:00 Barb A%sT |
2881 -4:00 Barb A%sT |
2861 |
2882 |
2862 # Belize |
2883 # Belize |
2866 Rule Belize 1919 1943 - Feb Sun>=9 0:00 0 CST |
2887 Rule Belize 1919 1943 - Feb Sun>=9 0:00 0 CST |
2867 Rule Belize 1973 only - Dec 5 0:00 1:00 CDT |
2888 Rule Belize 1973 only - Dec 5 0:00 1:00 CDT |
2868 Rule Belize 1974 only - Feb 9 0:00 0 CST |
2889 Rule Belize 1974 only - Feb 9 0:00 0 CST |
2869 Rule Belize 1982 only - Dec 18 0:00 1:00 CDT |
2890 Rule Belize 1982 only - Dec 18 0:00 1:00 CDT |
2870 Rule Belize 1983 only - Feb 12 0:00 0 CST |
2891 Rule Belize 1983 only - Feb 12 0:00 0 CST |
2871 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
2892 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
2872 Zone America/Belize -5:52:48 - LMT 1912 Apr |
2893 Zone America/Belize -5:52:48 - LMT 1912 Apr |
2873 -6:00 Belize %s |
2894 -6:00 Belize %s |
2874 |
2895 |
2875 # Bermuda |
2896 # Bermuda |
2876 |
2897 |
2883 # in March, until the first Sunday in November. And, after the Time Zone |
2904 # in March, until the first Sunday in November. And, after the Time Zone |
2884 # (Seasonal Variation) Bill 2006 was passed in the House of Assembly on |
2905 # (Seasonal Variation) Bill 2006 was passed in the House of Assembly on |
2885 # Friday, the same thing will happen in Bermuda. |
2906 # Friday, the same thing will happen in Bermuda. |
2886 # http://www.theroyalgazette.com/apps/pbcs.dll/article?AID=/20060529/NEWS/105290135 |
2907 # http://www.theroyalgazette.com/apps/pbcs.dll/article?AID=/20060529/NEWS/105290135 |
2887 |
2908 |
2888 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
2909 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
2889 Zone Atlantic/Bermuda -4:19:18 - LMT 1930 Jan 1 2:00 # Hamilton |
2910 Zone Atlantic/Bermuda -4:19:18 - LMT 1930 Jan 1 2:00 # Hamilton |
2890 -4:00 - AST 1974 Apr 28 2:00 |
2911 -4:00 - AST 1974 Apr 28 2:00 |
2891 -4:00 Canada A%sT 1976 |
2912 -4:00 Canada A%sT 1976 |
2892 -4:00 US A%sT |
2913 -4:00 US A%sT |
2893 |
2914 |
2905 # IATA SSIM (1991-09) says the following was at 1:00; |
2926 # IATA SSIM (1991-09) says the following was at 1:00; |
2906 # go with Shanks & Pottenger. |
2927 # go with Shanks & Pottenger. |
2907 Rule CR 1991 only - Jul 1 0:00 0 S |
2928 Rule CR 1991 only - Jul 1 0:00 0 S |
2908 Rule CR 1992 only - Mar 15 0:00 0 S |
2929 Rule CR 1992 only - Mar 15 0:00 0 S |
2909 # There are too many San Josés elsewhere, so we'll use 'Costa Rica'. |
2930 # There are too many San Josés elsewhere, so we'll use 'Costa Rica'. |
2910 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
2931 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
2911 Zone America/Costa_Rica -5:36:13 - LMT 1890 # San José |
2932 Zone America/Costa_Rica -5:36:13 - LMT 1890 # San José |
2912 -5:36:13 - SJMT 1921 Jan 15 # San José Mean Time |
2933 -5:36:13 - SJMT 1921 Jan 15 # San José Mean Time |
2913 -6:00 CR C%sT |
2934 -6:00 CR C%sT |
2914 # Coco |
2935 # Coco |
2915 # no information; probably like America/Costa_Rica |
2936 # no information; probably like America/Costa_Rica |
3111 Rule Cuba 2011 only - Nov 13 0:00s 0 S |
3132 Rule Cuba 2011 only - Nov 13 0:00s 0 S |
3112 Rule Cuba 2012 only - Apr 1 0:00s 1:00 D |
3133 Rule Cuba 2012 only - Apr 1 0:00s 1:00 D |
3113 Rule Cuba 2012 max - Nov Sun>=1 0:00s 0 S |
3134 Rule Cuba 2012 max - Nov Sun>=1 0:00s 0 S |
3114 Rule Cuba 2013 max - Mar Sun>=8 0:00s 1:00 D |
3135 Rule Cuba 2013 max - Mar Sun>=8 0:00s 1:00 D |
3115 |
3136 |
3116 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
3137 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
3117 Zone America/Havana -5:29:28 - LMT 1890 |
3138 Zone America/Havana -5:29:28 - LMT 1890 |
3118 -5:29:36 - HMT 1925 Jul 19 12:00 # Havana MT |
3139 -5:29:36 - HMT 1925 Jul 19 12:00 # Havana MT |
3119 -5:00 Cuba C%sT |
3140 -5:00 Cuba C%sT |
3120 |
3141 |
3121 # Dominica |
3142 # Dominica |
3146 Rule DR 1967 only - Feb 28 0:00 0 EST |
3167 Rule DR 1967 only - Feb 28 0:00 0 EST |
3147 Rule DR 1969 1973 - Oct lastSun 0:00 0:30 -0430 |
3168 Rule DR 1969 1973 - Oct lastSun 0:00 0:30 -0430 |
3148 Rule DR 1970 only - Feb 21 0:00 0 EST |
3169 Rule DR 1970 only - Feb 21 0:00 0 EST |
3149 Rule DR 1971 only - Jan 20 0:00 0 EST |
3170 Rule DR 1971 only - Jan 20 0:00 0 EST |
3150 Rule DR 1972 1974 - Jan 21 0:00 0 EST |
3171 Rule DR 1972 1974 - Jan 21 0:00 0 EST |
3151 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
3172 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
3152 Zone America/Santo_Domingo -4:39:36 - LMT 1890 |
3173 Zone America/Santo_Domingo -4:39:36 - LMT 1890 |
3153 -4:40 - SDMT 1933 Apr 1 12:00 # S. Dom. MT |
3174 -4:40 - SDMT 1933 Apr 1 12:00 # S. Dom. MT |
3154 -5:00 DR %s 1974 Oct 27 |
3175 -5:00 DR %s 1974 Oct 27 |
3155 -4:00 - AST 2000 Oct 29 2:00 |
3176 -4:00 - AST 2000 Oct 29 2:00 |
3156 -5:00 US E%sT 2000 Dec 3 1:00 |
3177 -5:00 US E%sT 2000 Dec 3 1:00 |
3161 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
3182 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
3162 Rule Salv 1987 1988 - May Sun>=1 0:00 1:00 D |
3183 Rule Salv 1987 1988 - May Sun>=1 0:00 1:00 D |
3163 Rule Salv 1987 1988 - Sep lastSun 0:00 0 S |
3184 Rule Salv 1987 1988 - Sep lastSun 0:00 0 S |
3164 # There are too many San Salvadors elsewhere, so use America/El_Salvador |
3185 # There are too many San Salvadors elsewhere, so use America/El_Salvador |
3165 # instead of America/San_Salvador. |
3186 # instead of America/San_Salvador. |
3166 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
3187 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
3167 Zone America/El_Salvador -5:56:48 - LMT 1921 # San Salvador |
3188 Zone America/El_Salvador -5:56:48 - LMT 1921 # San Salvador |
3168 -6:00 Salv C%sT |
3189 -6:00 Salv C%sT |
3169 |
3190 |
3170 # Grenada |
3191 # Grenada |
3171 # Guadeloupe |
3192 # Guadeloupe |
3194 Rule Guat 1983 only - Sep 22 0:00 0 S |
3215 Rule Guat 1983 only - Sep 22 0:00 0 S |
3195 Rule Guat 1991 only - Mar 23 0:00 1:00 D |
3216 Rule Guat 1991 only - Mar 23 0:00 1:00 D |
3196 Rule Guat 1991 only - Sep 7 0:00 0 S |
3217 Rule Guat 1991 only - Sep 7 0:00 0 S |
3197 Rule Guat 2006 only - Apr 30 0:00 1:00 D |
3218 Rule Guat 2006 only - Apr 30 0:00 1:00 D |
3198 Rule Guat 2006 only - Oct 1 0:00 0 S |
3219 Rule Guat 2006 only - Oct 1 0:00 0 S |
3199 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
3220 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
3200 Zone America/Guatemala -6:02:04 - LMT 1918 Oct 5 |
3221 Zone America/Guatemala -6:02:04 - LMT 1918 Oct 5 |
3201 -6:00 Guat C%sT |
3222 -6:00 Guat C%sT |
3202 |
3223 |
3203 # Haiti |
3224 # Haiti |
3204 # From Gwillim Law (2005-04-15): |
3225 # From Gwillim Law (2005-04-15): |
3280 Rule Haiti 2005 2006 - Oct lastSun 0:00 0 S |
3301 Rule Haiti 2005 2006 - Oct lastSun 0:00 0 S |
3281 Rule Haiti 2012 2015 - Mar Sun>=8 2:00 1:00 D |
3302 Rule Haiti 2012 2015 - Mar Sun>=8 2:00 1:00 D |
3282 Rule Haiti 2012 2015 - Nov Sun>=1 2:00 0 S |
3303 Rule Haiti 2012 2015 - Nov Sun>=1 2:00 0 S |
3283 Rule Haiti 2017 max - Mar Sun>=8 2:00 1:00 D |
3304 Rule Haiti 2017 max - Mar Sun>=8 2:00 1:00 D |
3284 Rule Haiti 2017 max - Nov Sun>=1 2:00 0 S |
3305 Rule Haiti 2017 max - Nov Sun>=1 2:00 0 S |
3285 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
3306 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
3286 Zone America/Port-au-Prince -4:49:20 - LMT 1890 |
3307 Zone America/Port-au-Prince -4:49:20 - LMT 1890 |
3287 -4:49 - PPMT 1917 Jan 24 12:00 # P-a-P MT |
3308 -4:49 - PPMT 1917 Jan 24 12:00 # P-a-P MT |
3288 -5:00 Haiti E%sT |
3309 -5:00 Haiti E%sT |
3289 |
3310 |
3290 # Honduras |
3311 # Honduras |
3319 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
3340 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
3320 Rule Hond 1987 1988 - May Sun>=1 0:00 1:00 D |
3341 Rule Hond 1987 1988 - May Sun>=1 0:00 1:00 D |
3321 Rule Hond 1987 1988 - Sep lastSun 0:00 0 S |
3342 Rule Hond 1987 1988 - Sep lastSun 0:00 0 S |
3322 Rule Hond 2006 only - May Sun>=1 0:00 1:00 D |
3343 Rule Hond 2006 only - May Sun>=1 0:00 1:00 D |
3323 Rule Hond 2006 only - Aug Mon>=1 0:00 0 S |
3344 Rule Hond 2006 only - Aug Mon>=1 0:00 0 S |
3324 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
3345 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
3325 Zone America/Tegucigalpa -5:48:52 - LMT 1921 Apr |
3346 Zone America/Tegucigalpa -5:48:52 - LMT 1921 Apr |
3326 -6:00 Hond C%sT |
3347 -6:00 Hond C%sT |
3327 # |
3348 # |
3328 # Great Swan I ceded by US to Honduras in 1972 |
3349 # Great Swan I ceded by US to Honduras in 1972 |
3329 |
3350 |
3340 # and with the Rod of Correction which Manley said he had received from |
3361 # and with the Rod of Correction which Manley said he had received from |
3341 # Haile Selassie, Emperor of Ethiopia. See: |
3362 # Haile Selassie, Emperor of Ethiopia. See: |
3342 # Neita L. The politician in all of us. Jamaica Observer 2014-09-20 |
3363 # Neita L. The politician in all of us. Jamaica Observer 2014-09-20 |
3343 # http://www.jamaicaobserver.com/columns/The-politician-in-all-of-us_17573647 |
3364 # http://www.jamaicaobserver.com/columns/The-politician-in-all-of-us_17573647 |
3344 # |
3365 # |
3345 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
3366 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
3346 Zone America/Jamaica -5:07:10 - LMT 1890 # Kingston |
3367 Zone America/Jamaica -5:07:10 - LMT 1890 # Kingston |
3347 -5:07:10 - KMT 1912 Feb # Kingston Mean Time |
3368 -5:07:10 - KMT 1912 Feb # Kingston Mean Time |
3348 -5:00 - EST 1974 |
3369 -5:00 - EST 1974 |
3349 -5:00 US E%sT 1984 |
3370 -5:00 US E%sT 1984 |
3350 -5:00 - EST |
3371 -5:00 - EST |
3351 |
3372 |
3352 # Martinique |
3373 # Martinique |
3353 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
3374 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
3354 Zone America/Martinique -4:04:20 - LMT 1890 # Fort-de-France |
3375 Zone America/Martinique -4:04:20 - LMT 1890 # Fort-de-France |
3355 -4:04:20 - FFMT 1911 May # Fort-de-France MT |
3376 -4:04:20 - FFMT 1911 May # Fort-de-France MT |
3356 -4:00 - AST 1980 Apr 6 |
3377 -4:00 - AST 1980 Apr 6 |
3357 -4:00 1:00 ADT 1980 Sep 28 |
3378 -4:00 1:00 ADT 1980 Sep 28 |
3358 -4:00 - AST |
3379 -4:00 - AST |
3412 Rule Nic 1979 1980 - Jun Mon>=23 0:00 0 S |
3433 Rule Nic 1979 1980 - Jun Mon>=23 0:00 0 S |
3413 Rule Nic 2005 only - Apr 10 0:00 1:00 D |
3434 Rule Nic 2005 only - Apr 10 0:00 1:00 D |
3414 Rule Nic 2005 only - Oct Sun>=1 0:00 0 S |
3435 Rule Nic 2005 only - Oct Sun>=1 0:00 0 S |
3415 Rule Nic 2006 only - Apr 30 2:00 1:00 D |
3436 Rule Nic 2006 only - Apr 30 2:00 1:00 D |
3416 Rule Nic 2006 only - Oct Sun>=1 1:00 0 S |
3437 Rule Nic 2006 only - Oct Sun>=1 1:00 0 S |
3417 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
3438 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
3418 Zone America/Managua -5:45:08 - LMT 1890 |
3439 Zone America/Managua -5:45:08 - LMT 1890 |
3419 -5:45:12 - MMT 1934 Jun 23 # Managua Mean Time? |
3440 -5:45:12 - MMT 1934 Jun 23 # Managua Mean Time? |
3420 -6:00 - CST 1973 May |
3441 -6:00 - CST 1973 May |
3421 -5:00 - EST 1975 Feb 16 |
3442 -5:00 - EST 1975 Feb 16 |
3422 -6:00 Nic C%sT 1992 Jan 1 4:00 |
3443 -6:00 Nic C%sT 1992 Jan 1 4:00 |
3424 -6:00 - CST 1993 |
3445 -6:00 - CST 1993 |
3425 -5:00 - EST 1997 |
3446 -5:00 - EST 1997 |
3426 -6:00 Nic C%sT |
3447 -6:00 Nic C%sT |
3427 |
3448 |
3428 # Panama |
3449 # Panama |
3429 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
3450 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
3430 Zone America/Panama -5:18:08 - LMT 1890 |
3451 Zone America/Panama -5:18:08 - LMT 1890 |
3431 -5:19:36 - CMT 1908 Apr 22 # Colón Mean Time |
3452 -5:19:36 - CMT 1908 Apr 22 # Colón Mean Time |
3432 -5:00 - EST |
3453 -5:00 - EST |
3433 Link America/Panama America/Cayman |
3454 Link America/Panama America/Cayman |
3434 |
3455 |
3435 # Puerto Rico |
3456 # Puerto Rico |
3436 # There are too many San Juans elsewhere, so we'll use 'Puerto_Rico'. |
3457 # There are too many San Juans elsewhere, so we'll use 'Puerto_Rico'. |
3437 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
3458 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
3438 Zone America/Puerto_Rico -4:24:25 - LMT 1899 Mar 28 12:00 # San Juan |
3459 Zone America/Puerto_Rico -4:24:25 - LMT 1899 Mar 28 12:00 # San Juan |
3439 -4:00 - AST 1942 May 3 |
3460 -4:00 - AST 1942 May 3 |
3440 -4:00 US A%sT 1946 |
3461 -4:00 US A%sT 1946 |
3441 -4:00 - AST |
3462 -4:00 - AST |
3442 |
3463 |
3444 # St Lucia |
3465 # St Lucia |
3445 # See America/Port_of_Spain. |
3466 # See America/Port_of_Spain. |
3446 |
3467 |
3447 # St Pierre and Miquelon |
3468 # St Pierre and Miquelon |
3448 # There are too many St Pierres elsewhere, so we'll use 'Miquelon'. |
3469 # There are too many St Pierres elsewhere, so we'll use 'Miquelon'. |
3449 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
3470 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
3450 Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre |
3471 Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre |
3451 -4:00 - AST 1980 May |
3472 -4:00 - AST 1980 May |
3452 -3:00 - -03 1987 |
3473 -3:00 - -03 1987 |
3453 -3:00 Canada -03/-02 |
3474 -3:00 Canada -03/-02 |
3454 |
3475 |
3490 # The date of effect of the spring 2018 change appears to be March 11, |
3511 # The date of effect of the spring 2018 change appears to be March 11, |
3491 # which makes more sense. See: Hamilton D. Time change back |
3512 # which makes more sense. See: Hamilton D. Time change back |
3492 # by March 2018 for TCI. Magnetic Media. 2017-08-25. |
3513 # by March 2018 for TCI. Magnetic Media. 2017-08-25. |
3493 # http://magneticmediatv.com/2017/08/time-change-back-by-march-2018-for-tci/ |
3514 # http://magneticmediatv.com/2017/08/time-change-back-by-march-2018-for-tci/ |
3494 # |
3515 # |
3495 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
3516 # Zone NAME STDOFF RULES FORMAT [UNTIL] |
3496 Zone America/Grand_Turk -4:44:32 - LMT 1890 |
3517 Zone America/Grand_Turk -4:44:32 - LMT 1890 |
3497 -5:07:10 - KMT 1912 Feb # Kingston Mean Time |
3518 -5:07:10 - KMT 1912 Feb # Kingston Mean Time |
3498 -5:00 - EST 1979 |
3519 -5:00 - EST 1979 |
3499 -5:00 US E%sT 2015 Nov Sun>=1 2:00 |
3520 -5:00 US E%sT 2015 Nov Sun>=1 2:00 |
3500 -4:00 - AST 2018 Mar 11 3:00 |
3521 -4:00 - AST 2018 Mar 11 3:00 |