46 # For data circa 1899, a common source is: |
46 # For data circa 1899, a common source is: |
47 # Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94. |
47 # Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94. |
48 # https://www.jstor.org/stable/1774359 |
48 # https://www.jstor.org/stable/1774359 |
49 # |
49 # |
50 # These tables use numeric abbreviations like -03 and -0330 for |
50 # These tables use numeric abbreviations like -03 and -0330 for |
51 # integer hour and minute UTC offsets. Although earlier editions used |
51 # integer hour and minute UT offsets. Although earlier editions used |
52 # alphabetic time zone abbreviations, these abbreviations were |
52 # alphabetic time zone abbreviations, these abbreviations were |
53 # invented and did not reflect common practice. |
53 # invented and did not reflect common practice. |
54 |
54 |
55 ############################################################################### |
55 ############################################################################### |
56 |
56 |
929 # According to this decree |
929 # According to this decree |
930 # http://www.planalto.gov.br/ccivil_03/_Ato2007-2010/2008/Decreto/D6558.htm |
930 # http://www.planalto.gov.br/ccivil_03/_Ato2007-2010/2008/Decreto/D6558.htm |
931 # [t]he DST period in Brazil now on will be from the 3rd Oct Sunday to the |
931 # [t]he DST period in Brazil now on will be from the 3rd Oct Sunday to the |
932 # 3rd Feb Sunday. There is an exception on the return date when this is |
932 # 3rd Feb Sunday. There is an exception on the return date when this is |
933 # the Carnival Sunday then the return date will be the next Sunday... |
933 # the Carnival Sunday then the return date will be the next Sunday... |
934 Rule Brazil 2008 max - Oct Sun>=15 0:00 1:00 S |
934 Rule Brazil 2008 2017 - Oct Sun>=15 0:00 1:00 S |
935 Rule Brazil 2008 2011 - Feb Sun>=15 0:00 0 - |
935 Rule Brazil 2008 2011 - Feb Sun>=15 0:00 0 - |
|
936 # Decree 7,584 <http://pcdsh01.on.br/HVdecreto7584_20111013.jpg> (2011-10-13) |
|
937 # added Bahia. |
936 Rule Brazil 2012 only - Feb Sun>=22 0:00 0 - |
938 Rule Brazil 2012 only - Feb Sun>=22 0:00 0 - |
|
939 # Decree 7,826 <http://pcdsh01.on.br/HVdecreto7826_20121015.jpg> (2012-10-15) |
|
940 # removed Bahia and added Tocantins. |
|
941 # Decree 8,112 <http://pcdsh01.on.br/HVdecreto8112_20130930.JPG> (2013-09-30) |
|
942 # removed Tocantins. |
937 Rule Brazil 2013 2014 - Feb Sun>=15 0:00 0 - |
943 Rule Brazil 2013 2014 - Feb Sun>=15 0:00 0 - |
938 Rule Brazil 2015 only - Feb Sun>=22 0:00 0 - |
944 Rule Brazil 2015 only - Feb Sun>=22 0:00 0 - |
939 Rule Brazil 2016 2022 - Feb Sun>=15 0:00 0 - |
945 Rule Brazil 2016 2022 - Feb Sun>=15 0:00 0 - |
|
946 # From Steffen Thorsen (2017-12-18): |
|
947 # According to many media sources, next year's DST start in Brazil will move to |
|
948 # the first Sunday of November, and it will stay like that for the years after. |
|
949 # ... https://www.timeanddate.com/news/time/brazil-delays-dst-2018.html |
|
950 # From Steffen Thorsen (2017-12-20): |
|
951 # http://www.planalto.gov.br/ccivil_03/_ato2015-2018/2017/decreto/D9242.htm |
|
952 Rule Brazil 2018 max - Nov Sun>=1 0:00 1:00 S |
940 Rule Brazil 2023 only - Feb Sun>=22 0:00 0 - |
953 Rule Brazil 2023 only - Feb Sun>=22 0:00 0 - |
941 Rule Brazil 2024 2025 - Feb Sun>=15 0:00 0 - |
954 Rule Brazil 2024 2025 - Feb Sun>=15 0:00 0 - |
942 Rule Brazil 2026 only - Feb Sun>=22 0:00 0 - |
955 Rule Brazil 2026 only - Feb Sun>=22 0:00 0 - |
943 Rule Brazil 2027 2033 - Feb Sun>=15 0:00 0 - |
956 Rule Brazil 2027 2033 - Feb Sun>=15 0:00 0 - |
944 Rule Brazil 2034 only - Feb Sun>=22 0:00 0 - |
957 Rule Brazil 2034 only - Feb Sun>=22 0:00 0 - |
1089 |
1102 |
1090 # Chile |
1103 # Chile |
1091 |
1104 |
1092 # From Paul Eggert (2015-04-03): |
1105 # From Paul Eggert (2015-04-03): |
1093 # Shanks & Pottenger says America/Santiago introduced standard time in |
1106 # Shanks & Pottenger says America/Santiago introduced standard time in |
1094 # 1890 and rounds its UTC offset to 70W40; guess that in practice this |
1107 # 1890 and rounds its UT offset to 70W40; guess that in practice this |
1095 # was the same offset as in 1916-1919. It also says Pacific/Easter |
1108 # was the same offset as in 1916-1919. It also says Pacific/Easter |
1096 # standardized on 109W22 in 1890; assume this didn't change the clocks. |
1109 # standardized on 109W22 in 1890; assume this didn't change the clocks. |
1097 # |
1110 # |
1098 # Dates for America/Santiago from 1910 to 2004 are primarily from |
1111 # Dates for America/Santiago from 1910 to 2004 are primarily from |
1099 # the following source, cited by Oscar van Vlijmen (2006-10-08): |
1112 # the following source, cited by Oscar van Vlijmen (2006-10-08): |