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