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.
14 # Add Etc/Unknown, defined by CLDR. Give it Etc/GMT behavior.
16 # Zone NAME GMTOFF RULES FORMAT
17 Zone Etc/Unknown 0 - Unknown
20 # The Olson systemv file has these commented out.
22 # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
23 Zone SystemV/AST4ADT -4:00 SystemV A%sT
24 Zone SystemV/EST5EDT -5:00 SystemV E%sT
25 Zone SystemV/CST6CDT -6:00 SystemV C%sT
26 Zone SystemV/MST7MDT -7:00 SystemV M%sT
27 Zone SystemV/PST8PDT -8:00 SystemV P%sT
28 Zone SystemV/YST9YDT -9:00 SystemV Y%sT
29 Zone SystemV/AST4 -4:00 - AST
30 Zone SystemV/EST5 -5:00 - EST
31 Zone SystemV/CST6 -6:00 - CST
32 Zone SystemV/MST7 -7:00 - MST
33 Zone SystemV/PST8 -8:00 - PST
34 Zone SystemV/YST9 -9:00 - YST
35 Zone SystemV/HST10 -10:00 - HST
38 # The list below is for supporting legacy ICU zone aliases.
39 # These definitions were originally defined in tz.alias.
41 #### Aliases that conflict with Olson compatibility Zone definition
43 Link Australia/Darwin ACT
44 Link Australia/Sydney AET
45 Link America/Argentina/Buenos_Aires AGT
47 Link America/Anchorage AST
48 Link America/Sao_Paulo BET
50 Link Africa/Maputo CAT
51 Link America/St_Johns CNT
52 Link America/Chicago CST
53 Link Asia/Shanghai CTT
54 Link Africa/Addis_Ababa EAT
56 #Link Europe/Istanbul EET # EET is a standard UNIX zone
57 ####Link EST America/New_York EST # Defined as -05:00
58 ####Link Pacific/Honolulu HST # Defined as -10:00
59 Link America/Indiana/Indianapolis IET
62 #Link Asia/Tehran MET # MET is a standard UNIX zone
64 ####Link America/Denver MST # Defined as -07:00
66 Link Pacific/Auckland NST
68 Link America/Phoenix PNT
69 Link America/Puerto_Rico PRT
70 Link America/Los_Angeles PST
71 Link Pacific/Guadalcanal SST
72 #Link Etc/UTC UTC # Olson LINK
73 Link Asia/Ho_Chi_Minh VST
76 # Aliases already dropped from the TZ database.
77 # ICU may also remove these aliases.
79 Link America/Regina Canada/East-Saskatchewan # removed from backward in 2017c