| etcetera (256281) | etcetera (257697) |
|---|---|
| 1# <pre> 2# This file is in the public domain, so clarified as of 3# 2009-05-17 by Arthur David Olson. 4 5# These entries are mostly present for historical reasons, so that 6# people in areas not otherwise covered by the tz files could "zic -l" 7# to a time zone that was right for their area. These days, the 8# tz files cover almost all the inhabited world, and the only practical --- 17 unchanged lines hidden (view full) --- 26Link Etc/GMT Etc/GMT-0 27Link Etc/GMT Etc/GMT+0 28Link Etc/GMT Etc/GMT0 29 30# We use POSIX-style signs in the Zone names and the output abbreviations, 31# even though this is the opposite of what many people expect. 32# POSIX has positive signs west of Greenwich, but many people expect 33# positive signs east of Greenwich. For example, TZ='Etc/GMT+4' uses | 1# <pre> 2# This file is in the public domain, so clarified as of 3# 2009-05-17 by Arthur David Olson. 4 5# These entries are mostly present for historical reasons, so that 6# people in areas not otherwise covered by the tz files could "zic -l" 7# to a time zone that was right for their area. These days, the 8# tz files cover almost all the inhabited world, and the only practical --- 17 unchanged lines hidden (view full) --- 26Link Etc/GMT Etc/GMT-0 27Link Etc/GMT Etc/GMT+0 28Link Etc/GMT Etc/GMT0 29 30# We use POSIX-style signs in the Zone names and the output abbreviations, 31# even though this is the opposite of what many people expect. 32# POSIX has positive signs west of Greenwich, but many people expect 33# positive signs east of Greenwich. For example, TZ='Etc/GMT+4' uses |
| 34# the abbreviation "GMT+4" and corresponds to 4 hours behind UTC | 34# the abbreviation "GMT+4" and corresponds to 4 hours behind UT |
| 35# (i.e. west of Greenwich) even though many people would expect it to | 35# (i.e. west of Greenwich) even though many people would expect it to |
| 36# mean 4 hours ahead of UTC (i.e. east of Greenwich). | 36# mean 4 hours ahead of UT (i.e. east of Greenwich). |
| 37# 38# In the draft 5 of POSIX 1003.1-200x, the angle bracket notation allows for 39# TZ='<GMT-4>+4'; if you want time zone abbreviations conforming to 40# ISO 8601 you can use TZ='<-0400>+4'. Thus the commonly-expected 41# offset is kept within the angle bracket (and is used for display) 42# while the POSIX sign is kept outside the angle bracket (and is used 43# for calculation). 44# --- 37 unchanged lines hidden --- | 37# 38# In the draft 5 of POSIX 1003.1-200x, the angle bracket notation allows for 39# TZ='<GMT-4>+4'; if you want time zone abbreviations conforming to 40# ISO 8601 you can use TZ='<-0400>+4'. Thus the commonly-expected 41# offset is kept within the angle bracket (and is used for display) 42# while the POSIX sign is kept outside the angle bracket (and is used 43# for calculation). 44# --- 37 unchanged lines hidden --- |