19b6c1413SAndy Fiddaman# tzdb data for System V rules (this file is obsolete) 29b6c1413SAndy Fiddaman 345ba3153SMarcel Telka# This file is in the public domain, so clarified as of 445ba3153SMarcel Telka# 2009-05-17 by Arthur David Olson. 545ba3153SMarcel Telka 645ba3153SMarcel Telka# Old rules, should the need arise. 745ba3153SMarcel Telka# No attempt is made to handle Newfoundland, since it cannot be expressed 845ba3153SMarcel Telka# using the System V "TZ" scheme (half-hour offset), or anything outside 945ba3153SMarcel Telka# North America (no support for non-standard DST start/end dates), nor 1045ba3153SMarcel Telka# the changes in the DST rules in the US after 1976 (which occurred after 1145ba3153SMarcel Telka# the old rules were written). 1245ba3153SMarcel Telka# 1345ba3153SMarcel Telka# If you need the old rules, uncomment ## lines. 1445ba3153SMarcel Telka# Compile this *without* leap second correction for true conformance. 1545ba3153SMarcel Telka 1645ba3153SMarcel Telka# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1745ba3153SMarcel TelkaRule SystemV min 1973 - Apr lastSun 2:00 1:00 D 1845ba3153SMarcel TelkaRule SystemV min 1973 - Oct lastSun 2:00 0 S 1945ba3153SMarcel TelkaRule SystemV 1974 only - Jan 6 2:00 1:00 D 2045ba3153SMarcel TelkaRule SystemV 1974 only - Nov lastSun 2:00 0 S 2145ba3153SMarcel TelkaRule SystemV 1975 only - Feb 23 2:00 1:00 D 2245ba3153SMarcel TelkaRule SystemV 1975 only - Oct lastSun 2:00 0 S 2345ba3153SMarcel TelkaRule SystemV 1976 max - Apr lastSun 2:00 1:00 D 2445ba3153SMarcel TelkaRule SystemV 1976 max - Oct lastSun 2:00 0 S 2545ba3153SMarcel Telka 26*337881e8SAndy Fiddaman# Zone NAME STDOFF RULES/SAVE FORMAT [UNTIL] 2745ba3153SMarcel Telka## Zone SystemV/AST4ADT -4:00 SystemV A%sT 2845ba3153SMarcel Telka## Zone SystemV/EST5EDT -5:00 SystemV E%sT 2945ba3153SMarcel Telka## Zone SystemV/CST6CDT -6:00 SystemV C%sT 3045ba3153SMarcel Telka## Zone SystemV/MST7MDT -7:00 SystemV M%sT 3145ba3153SMarcel Telka## Zone SystemV/PST8PDT -8:00 SystemV P%sT 3245ba3153SMarcel Telka## Zone SystemV/YST9YDT -9:00 SystemV Y%sT 3345ba3153SMarcel Telka## Zone SystemV/AST4 -4:00 - AST 3445ba3153SMarcel Telka## Zone SystemV/EST5 -5:00 - EST 3545ba3153SMarcel Telka## Zone SystemV/CST6 -6:00 - CST 3645ba3153SMarcel Telka## Zone SystemV/MST7 -7:00 - MST 3745ba3153SMarcel Telka## Zone SystemV/PST8 -8:00 - PST 3845ba3153SMarcel Telka## Zone SystemV/YST9 -9:00 - YST 3945ba3153SMarcel Telka## Zone SystemV/HST10 -10:00 - HST 40