1454249adSAndy Fiddaman# tzdb data for System V rules (this file is obsolete) 2454249adSAndy Fiddaman 35d0e1406SMarcel Telka# This file is in the public domain, so clarified as of 45d0e1406SMarcel Telka# 2009-05-17 by Arthur David Olson. 55d0e1406SMarcel Telka 65d0e1406SMarcel Telka# Old rules, should the need arise. 75d0e1406SMarcel Telka# No attempt is made to handle Newfoundland, since it cannot be expressed 85d0e1406SMarcel Telka# using the System V "TZ" scheme (half-hour offset), or anything outside 95d0e1406SMarcel Telka# North America (no support for non-standard DST start/end dates), nor 105d0e1406SMarcel Telka# the changes in the DST rules in the US after 1976 (which occurred after 115d0e1406SMarcel Telka# the old rules were written). 125d0e1406SMarcel Telka# 135d0e1406SMarcel Telka# If you need the old rules, uncomment ## lines. 145d0e1406SMarcel Telka# Compile this *without* leap second correction for true conformance. 155d0e1406SMarcel Telka 165d0e1406SMarcel Telka# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 175d0e1406SMarcel TelkaRule SystemV min 1973 - Apr lastSun 2:00 1:00 D 185d0e1406SMarcel TelkaRule SystemV min 1973 - Oct lastSun 2:00 0 S 195d0e1406SMarcel TelkaRule SystemV 1974 only - Jan 6 2:00 1:00 D 205d0e1406SMarcel TelkaRule SystemV 1974 only - Nov lastSun 2:00 0 S 215d0e1406SMarcel TelkaRule SystemV 1975 only - Feb 23 2:00 1:00 D 225d0e1406SMarcel TelkaRule SystemV 1975 only - Oct lastSun 2:00 0 S 235d0e1406SMarcel TelkaRule SystemV 1976 max - Apr lastSun 2:00 1:00 D 245d0e1406SMarcel TelkaRule SystemV 1976 max - Oct lastSun 2:00 0 S 255d0e1406SMarcel Telka 26*8a907646SAndy Fiddaman# Zone NAME STDOFF RULES/SAVE FORMAT [UNTIL] 275d0e1406SMarcel Telka## Zone SystemV/AST4ADT -4:00 SystemV A%sT 285d0e1406SMarcel Telka## Zone SystemV/EST5EDT -5:00 SystemV E%sT 295d0e1406SMarcel Telka## Zone SystemV/CST6CDT -6:00 SystemV C%sT 305d0e1406SMarcel Telka## Zone SystemV/MST7MDT -7:00 SystemV M%sT 315d0e1406SMarcel Telka## Zone SystemV/PST8PDT -8:00 SystemV P%sT 325d0e1406SMarcel Telka## Zone SystemV/YST9YDT -9:00 SystemV Y%sT 335d0e1406SMarcel Telka## Zone SystemV/AST4 -4:00 - AST 345d0e1406SMarcel Telka## Zone SystemV/EST5 -5:00 - EST 355d0e1406SMarcel Telka## Zone SystemV/CST6 -6:00 - CST 365d0e1406SMarcel Telka## Zone SystemV/MST7 -7:00 - MST 375d0e1406SMarcel Telka## Zone SystemV/PST8 -8:00 - PST 385d0e1406SMarcel Telka## Zone SystemV/YST9 -9:00 - YST 395d0e1406SMarcel Telka## Zone SystemV/HST10 -10:00 - HST 40