systemv 1.5 KB

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  1. # <pre>
  2. # This file is in the public domain, so clarified as of
  3. # 2009-05-17 by Arthur David Olson.
  4. # Old rules, should the need arise.
  5. # No attempt is made to handle Newfoundland, since it cannot be expressed
  6. # using the System V "TZ" scheme (half-hour offset), or anything outside
  7. # North America (no support for non-standard DST start/end dates), nor
  8. # the changes in the DST rules in the US after 1976 (which occurred after
  9. # the old rules were written).
  10. #
  11. # If you need the old rules, uncomment ## lines.
  12. # Compile this *without* leap second correction for true conformance.
  13. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
  14. Rule SystemV min 1973 - Apr lastSun 2:00 1:00 D
  15. Rule SystemV min 1973 - Oct lastSun 2:00 0 S
  16. Rule SystemV 1974 only - Jan 6 2:00 1:00 D
  17. Rule SystemV 1974 only - Nov lastSun 2:00 0 S
  18. Rule SystemV 1975 only - Feb 23 2:00 1:00 D
  19. Rule SystemV 1975 only - Oct lastSun 2:00 0 S
  20. Rule SystemV 1976 max - Apr lastSun 2:00 1:00 D
  21. Rule SystemV 1976 max - Oct lastSun 2:00 0 S
  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