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# Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL] 35Zone SystemV/AST4ADT -4:00 SystemV A%sT 36Zone SystemV/EST5EDT -5:00 SystemV E%sT 37Zone SystemV/CST6CDT -6:00 SystemV C%sT 38Zone SystemV/MST7MDT -7:00 SystemV M%sT 39Zone SystemV/PST8PDT -8:00 SystemV P%sT 40Zone SystemV/YST9YDT -9:00 SystemV Y%sT 41Zone SystemV/AST4 -4:00 - AST 42Zone SystemV/EST5 -5:00 - EST 43Zone SystemV/CST6 -6:00 - CST 44Zone SystemV/MST7 -7:00 - MST 45Zone SystemV/PST8 -8:00 - PST 46Zone SystemV/YST9 -9:00 - YST 47Zone SystemV/HST10 -10:00 - HST 48 49# pacificnew 50# IANA tzdb file 'pacificnew' used to contain a Link for US/Pacific-New. 51# 'pacificnew' file was removed in 2020b. We keep the Link here for compatibility. 52Link America/Los_Angeles US/Pacific-New 53 54 55# The list below is for supporting legacy ICU zone aliases. 56# These definitions were originally defined in tz.alias. 57 58#### Aliases that conflict with Olson compatibility Zone definition 59 60Link Australia/Darwin ACT 61Link Australia/Sydney AET 62Link America/Argentina/Buenos_Aires AGT 63Link Africa/Cairo ART 64Link America/Anchorage AST 65Link America/Sao_Paulo BET 66Link Asia/Dhaka BST 67Link Africa/Maputo CAT 68Link America/St_Johns CNT 69Link America/Chicago CST 70Link Asia/Shanghai CTT 71Link Africa/Addis_Ababa EAT 72Link Europe/Paris ECT 73#Link Europe/Istanbul EET # EET is a standard UNIX zone 74####Link EST America/New_York EST # Defined as -05:00 75####Link Pacific/Honolulu HST # Defined as -10:00 76Link America/Indiana/Indianapolis IET 77Link Asia/Kolkata IST 78Link Asia/Tokyo JST 79#Link Asia/Tehran MET # MET is a standard UNIX zone 80Link Pacific/Apia MIT 81####Link America/Denver MST # Defined as -07:00 82Link Asia/Yerevan NET 83Link Pacific/Auckland NST 84Link Asia/Karachi PLT 85Link America/Phoenix PNT 86Link America/Puerto_Rico PRT 87Link America/Los_Angeles PST 88Link Pacific/Guadalcanal SST 89#Link Etc/UTC UTC # Olson LINK 90Link Asia/Ho_Chi_Minh VST 91 92# 93# Aliases already dropped from the TZ database. 94# ICU may also remove these aliases. 95# 96Link America/Regina Canada/East-Saskatchewan # removed from backward in 2017c 97