1# Copyright (C) 2016 and later: Unicode, Inc. and others. 2# License & terms of use: http://www.unicode.org/copyright.html 3###################################################################### 4# Copyright (C) 2007-2014, International Business Machines 5# Corporation and others. All Rights Reserved. 6###################################################################### 7# This is an ICU-specific file with the same format as regular 8# tzdata time zone files, for consistent parsing by the tools that 9# turn "Olson" tzdata into ICU's zoneinfo.txt. 10# The purpose of this file is to give ICU a superset of the time zones 11# that are in CLDR and also include legacy ICU time zones originally 12# in tz.alias for rataining backward compatibility. 13 14# Add Etc/Unknown, defined by CLDR. Give it Etc/GMT behavior. 15 16# Zone NAME GMTOFF RULES FORMAT 17Zone Etc/Unknown 0 - Unknown 18 19# SystemV time zones. 20# IANA tzdb file 'systemv' file has these SystemV/* zones commented out up to 2020a. 21# 'systemv' file was removed in 2020b. We keep them in this supplemental zone data 22# file for compatibility purpose. 23 24# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 25Rule SystemV min 1973 - Apr lastSun 2:00 1:00 D 26Rule SystemV min 1973 - Oct lastSun 2:00 0 S 27Rule SystemV 1974 only - Jan 6 2:00 1:00 D 28Rule SystemV 1974 only - Nov lastSun 2:00 0 S 29Rule SystemV 1975 only - Feb 23 2:00 1:00 D 30Rule SystemV 1975 only - Oct lastSun 2:00 0 S 31Rule SystemV 1976 max - Apr lastSun 2:00 1:00 D 32Rule SystemV 1976 max - Oct lastSun 2:00 0 S 33 34# Note: 1901 Dec 13 20:45:52u is the minimum value of int32 seconds. 35# A zone with infinite "min" year rule cannot be supported by 64 bit TZif, 36# so adding explicit transition to zones with SystemV rule at the minimum 37# int32 seconds. 38 39# Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL] 40Zone SystemV/AST4ADT -4:00 - AST 1901 Dec 13 20:45:52u 41 -4:00 SystemV A%sT 42Zone SystemV/EST5EDT -5:00 - EST 1901 Dec 13 20:45:52u 43 -5:00 SystemV E%sT 44Zone SystemV/CST6CDT -6:00 - CST 1901 Dec 13 20:45:52u 45 -6:00 SystemV C%sT 46Zone SystemV/MST7MDT -7:00 - MST 1901 Dec 13 20:45:52u 47 -7:00 SystemV M%sT 48Zone SystemV/PST8PDT -8:00 - PST 1901 Dec 13 20:45:52u 49 -8:00 SystemV P%sT 50Zone SystemV/YST9YDT -9:00 - YST 1901 Dec 13 20:45:52u 51 -9:00 SystemV Y%sT 52Zone SystemV/AST4 -4:00 - AST 53Zone SystemV/EST5 -5:00 - EST 54Zone SystemV/CST6 -6:00 - CST 55Zone SystemV/MST7 -7:00 - MST 56Zone SystemV/PST8 -8:00 - PST 57Zone SystemV/YST9 -9:00 - YST 58Zone SystemV/HST10 -10:00 - HST 59 60# pacificnew 61# IANA tzdb file 'pacificnew' used to contain a Link for US/Pacific-New. 62# 'pacificnew' file was removed in 2020b. We keep the Link here for compatibility. 63Link America/Los_Angeles US/Pacific-New 64 65 66# The list below is for supporting legacy ICU zone aliases. 67# These definitions were originally defined in tz.alias. 68 69#### Aliases that conflict with Olson compatibility Zone definition 70 71Link Australia/Darwin ACT 72Link Australia/Sydney AET 73Link America/Argentina/Buenos_Aires AGT 74Link Africa/Cairo ART 75Link America/Anchorage AST 76Link America/Sao_Paulo BET 77Link Asia/Dhaka BST 78Link Africa/Maputo CAT 79Link America/St_Johns CNT 80Link America/Chicago CST 81Link Asia/Shanghai CTT 82Link Africa/Addis_Ababa EAT 83Link Europe/Paris ECT 84#Link Europe/Istanbul EET # EET is a standard UNIX zone 85####Link EST America/New_York EST # Defined as -05:00 86####Link Pacific/Honolulu HST # Defined as -10:00 87Link America/Indiana/Indianapolis IET 88Link Asia/Kolkata IST 89Link Asia/Tokyo JST 90#Link Asia/Tehran MET # MET is a standard UNIX zone 91Link Pacific/Apia MIT 92####Link America/Denver MST # Defined as -07:00 93Link Asia/Yerevan NET 94Link Pacific/Auckland NST 95Link Asia/Karachi PLT 96Link America/Phoenix PNT 97Link America/Puerto_Rico PRT 98Link America/Los_Angeles PST 99Link Pacific/Guadalcanal SST 100#Link Etc/UTC UTC # Olson LINK 101Link Asia/Ho_Chi_Minh VST 102 103# 104# Aliases already dropped from the TZ database. 105# ICU may also remove these aliases. 106# 107Link America/Regina Canada/East-Saskatchewan # removed from backward in 2017c 108