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38 lines
1.5 KiB
38 lines
1.5 KiB
# <pre> |
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# This file is in the public domain, so clarified as of |
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# 2009-05-17 by Arthur David Olson. |
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# Old rules, should the need arise. |
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# No attempt is made to handle Newfoundland, since it cannot be expressed |
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# using the System V "TZ" scheme (half-hour offset), or anything outside |
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# North America (no support for non-standard DST start/end dates), nor |
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# the changes in the DST rules in the US after 1976 (which occurred after |
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# the old rules were written). |
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# |
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# If you need the old rules, uncomment ## lines. |
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# Compile this *without* leap second correction for true conformance. |
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
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Rule SystemV min 1973 - Apr lastSun 2:00 1:00 D |
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Rule SystemV min 1973 - Oct lastSun 2:00 0 S |
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Rule SystemV 1974 only - Jan 6 2:00 1:00 D |
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Rule SystemV 1974 only - Nov lastSun 2:00 0 S |
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Rule SystemV 1975 only - Feb 23 2:00 1:00 D |
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Rule SystemV 1975 only - Oct lastSun 2:00 0 S |
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Rule SystemV 1976 max - Apr lastSun 2:00 1:00 D |
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Rule SystemV 1976 max - Oct lastSun 2:00 0 S |
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# Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL] |
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## Zone SystemV/AST4ADT -4:00 SystemV A%sT |
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## Zone SystemV/EST5EDT -5:00 SystemV E%sT |
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## Zone SystemV/CST6CDT -6:00 SystemV C%sT |
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## Zone SystemV/MST7MDT -7:00 SystemV M%sT |
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## Zone SystemV/PST8PDT -8:00 SystemV P%sT |
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## Zone SystemV/YST9YDT -9:00 SystemV Y%sT |
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## Zone SystemV/AST4 -4:00 - AST |
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## Zone SystemV/EST5 -5:00 - EST |
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## Zone SystemV/CST6 -6:00 - CST |
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## Zone SystemV/MST7 -7:00 - MST |
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## Zone SystemV/PST8 -8:00 - PST |
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## Zone SystemV/YST9 -9:00 - YST |
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## Zone SystemV/HST10 -10:00 - HST
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