| etcetera (43009) | etcetera (75264) |
|---|---|
| 1# @(#)etcetera 7.10 | 1# @(#)etcetera 7.11 |
| 2 3# These entries are mostly present for historical reasons, so that 4# people in areas not otherwise covered by the tz files could "zic -l" 5# to a time zone that was right for their area. These days, the 6# tz files cover almost all the inhabited world, so there's little 7# need now for the entries that are not on UTC. 8 9Zone Etc/GMT 0 - GMT --- 9 unchanged lines hidden (view full) --- 19Link Etc/UTC Etc/Universal 20Link Etc/UTC Etc/Zulu 21 22Link Etc/GMT Etc/Greenwich 23Link Etc/GMT Etc/GMT-0 24Link Etc/GMT Etc/GMT+0 25Link Etc/GMT Etc/GMT0 26 | 2 3# These entries are mostly present for historical reasons, so that 4# people in areas not otherwise covered by the tz files could "zic -l" 5# to a time zone that was right for their area. These days, the 6# tz files cover almost all the inhabited world, so there's little 7# need now for the entries that are not on UTC. 8 9Zone Etc/GMT 0 - GMT --- 9 unchanged lines hidden (view full) --- 19Link Etc/UTC Etc/Universal 20Link Etc/UTC Etc/Zulu 21 22Link Etc/GMT Etc/Greenwich 23Link Etc/GMT Etc/GMT-0 24Link Etc/GMT Etc/GMT+0 25Link Etc/GMT Etc/GMT0 26 |
| 27# We use POSIX-style signedness in the names and output, 28# internal-style signedness in the specifications. 29# For example, TZ=Etc/GMT+4 corresponds to 4 hours _behind_ UTC; 30# it is equivalent to TZ=GMT+4, which is implemented directly as per POSIX. | 27# We use POSIX-style signs in the Zone names and the output abbreviations, 28# even though this is the opposite of what many people expect. 29# POSIX has positive signs west of Greenwich, but many people expect 30# positive signs east of Greenwich. For example, TZ='Etc/GMT+4' uses 31# the abbreviation "GMT+4" and corresponds to 4 hours behind UTC 32# (i.e. west of Greenwich) even though many people would expect it to 33# mean 4 hours ahead of UTC (i.e. east of Greenwich). 34# 35# In the draft 5 of POSIX 1003.1-200x, the angle bracket notation 36# (which is not yet supported by the tz code) allows for 37# TZ='<GMT-4>+4'; if you want time zone abbreviations conforming to 38# ISO 8601 you can use TZ='<-0400>+4'. Thus the commonly-expected 39# offset is kept within the angle bracket (and is used for display) 40# while the POSIX sign is kept outside the angle bracket (and is used 41# for calculation). 42# 43# Do not use a TZ setting like TZ='GMT+4', which is four hours behind 44# GMT but uses the completely misleading abbreviation "GMT". |
| 31 32# Earlier incarnations of this package were not POSIX-compliant, 33# and had lines such as 34# Zone GMT-12 -12 - GMT-1200 35# We did not want things to change quietly if someone accustomed to the old 36# way does a 37# zic -l GMT-12 38# so we moved the names into the Etc subdirectory. --- 27 unchanged lines hidden --- | 45 46# Earlier incarnations of this package were not POSIX-compliant, 47# and had lines such as 48# Zone GMT-12 -12 - GMT-1200 49# We did not want things to change quietly if someone accustomed to the old 50# way does a 51# zic -l GMT-12 52# so we moved the names into the Etc subdirectory. --- 27 unchanged lines hidden --- |