105e627dcSAndy Fiddaman# tzdb data for System V rules (this file is obsolete) 205e627dcSAndy Fiddaman 3503609a9SYuri Pankov# This file is in the public domain, so clarified as of 4503609a9SYuri Pankov# 2009-05-17 by Arthur David Olson. 5503609a9SYuri Pankov 6503609a9SYuri Pankov# Old rules, should the need arise. 7503609a9SYuri Pankov# No attempt is made to handle Newfoundland, since it cannot be expressed 8503609a9SYuri Pankov# using the System V "TZ" scheme (half-hour offset), or anything outside 9503609a9SYuri Pankov# North America (no support for non-standard DST start/end dates), nor 10503609a9SYuri Pankov# the changes in the DST rules in the US after 1976 (which occurred after 11503609a9SYuri Pankov# the old rules were written). 12503609a9SYuri Pankov# 13503609a9SYuri Pankov# If you need the old rules, uncomment ## lines. 14503609a9SYuri Pankov# Compile this *without* leap second correction for true conformance. 15503609a9SYuri Pankov 16503609a9SYuri Pankov# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 17503609a9SYuri PankovRule SystemV min 1973 - Apr lastSun 2:00 1:00 D 18503609a9SYuri PankovRule SystemV min 1973 - Oct lastSun 2:00 0 S 19503609a9SYuri PankovRule SystemV 1974 only - Jan 6 2:00 1:00 D 20503609a9SYuri PankovRule SystemV 1974 only - Nov lastSun 2:00 0 S 21503609a9SYuri PankovRule SystemV 1975 only - Feb 23 2:00 1:00 D 22503609a9SYuri PankovRule SystemV 1975 only - Oct lastSun 2:00 0 S 23503609a9SYuri PankovRule SystemV 1976 max - Apr lastSun 2:00 1:00 D 24503609a9SYuri PankovRule SystemV 1976 max - Oct lastSun 2:00 0 S 25503609a9SYuri Pankov 26*374df668SAndy Fiddaman# Zone NAME STDOFF RULES/SAVE FORMAT [UNTIL] 27503609a9SYuri Pankov## Zone SystemV/AST4ADT -4:00 SystemV A%sT 28503609a9SYuri Pankov## Zone SystemV/EST5EDT -5:00 SystemV E%sT 29503609a9SYuri Pankov## Zone SystemV/CST6CDT -6:00 SystemV C%sT 30503609a9SYuri Pankov## Zone SystemV/MST7MDT -7:00 SystemV M%sT 31503609a9SYuri Pankov## Zone SystemV/PST8PDT -8:00 SystemV P%sT 32503609a9SYuri Pankov## Zone SystemV/YST9YDT -9:00 SystemV Y%sT 33503609a9SYuri Pankov## Zone SystemV/AST4 -4:00 - AST 34503609a9SYuri Pankov## Zone SystemV/EST5 -5:00 - EST 35503609a9SYuri Pankov## Zone SystemV/CST6 -6:00 - CST 36503609a9SYuri Pankov## Zone SystemV/MST7 -7:00 - MST 37503609a9SYuri Pankov## Zone SystemV/PST8 -8:00 - PST 38503609a9SYuri Pankov## Zone SystemV/YST9 -9:00 - YST 39503609a9SYuri Pankov## Zone SystemV/HST10 -10:00 - HST 40