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1.1 root 1: # @(#)systemv 4.1
2:
3: # Old rules, should the need arise.
4: # No attempt is made to handle Newfoundland, since it cannot be expressed
5: # using the System V "TZ" scheme (half-hour offset), or anything outside
6: # North America (no support for non-standard DST start/end dates), nor
7: # the change in the DST rules in the US in 1987 (can't split between
8: # Canada, with no changes, and the US)
9: #
10: # Be sure to compile this *without* leap second correction for true conformance.
11:
12: # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
13: Rule SystemV min 1973 - Apr lastSun 2:00 1:00 D
14: Rule SystemV min 1973 - Oct lastSun 2:00 0 S
15: Rule SystemV 1974 only - Jan 6 2:00 1:00 D
16: Rule SystemV 1974 only - Nov lastSun 2:00 0 S
17: Rule SystemV 1975 only - Feb 23 2:00 1:00 D
18: Rule SystemV 1975 only - Oct lastSun 2:00 0 S
19: Rule SystemV 1976 max - Apr lastSun 2:00 1:00 D
20: Rule SystemV 1976 max - Oct lastSun 2:00 0 S
21:
22: # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
23: Zone SystemV/AST4ADT -4:00 SystemV A%sT
24: Zone SystemV/EST5EDT -5:00 SystemV E%sT
25: Zone SystemV/CST6CDT -6:00 SystemV C%sT
26: Zone SystemV/MST7MDT -7:00 SystemV M%sT
27: Zone SystemV/PST8PDT -8:00 SystemV P%sT
28: Zone SystemV/YST9YDT -9:00 SystemV Y%sT
29: Zone SystemV/AST4 -4:00 - AST
30: Zone SystemV/EST5 -5:00 - EST
31: Zone SystemV/CST6 -6:00 - CST
32: Zone SystemV/MST7 -7:00 - MST
33: Zone SystemV/PST8 -8:00 - PST
34: Zone SystemV/YST9 -9:00 - YST
35: Zone SystemV/HST10 -10:00 - HST
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