diff options
Diffstat (limited to 'contrib/tzdata/etcetera')
| -rw-r--r-- | contrib/tzdata/etcetera | 74 |
1 files changed, 36 insertions, 38 deletions
diff --git a/contrib/tzdata/etcetera b/contrib/tzdata/etcetera index 3d271a5..99ad2c7 100644 --- a/contrib/tzdata/etcetera +++ b/contrib/tzdata/etcetera @@ -8,6 +8,13 @@ # need now for the entries that are not on UTC are for ships at sea # that cannot use POSIX TZ settings. +# Starting with POSIX 1003.1-2001, the entries below are all +# unnecessary as settings for the TZ environment variable. E.g., +# instead of TZ='Etc/GMT+4' one can use the POSIX setting TZ='<-04>+4'. +# +# Do not use a POSIX TZ setting like TZ='GMT+4', which is four hours +# behind GMT but uses the completely misleading abbreviation "GMT". + Zone Etc/GMT 0 - GMT Zone Etc/UTC 0 - UTC Zone Etc/UCT 0 - UCT @@ -26,23 +33,13 @@ Link Etc/GMT Etc/GMT-0 Link Etc/GMT Etc/GMT+0 Link Etc/GMT Etc/GMT0 -# We use POSIX-style signs in the Zone names and the output abbreviations, +# Be consistent with POSIX TZ settings in the Zone names, # even though this is the opposite of what many people expect. # POSIX has positive signs west of Greenwich, but many people expect # positive signs east of Greenwich. For example, TZ='Etc/GMT+4' uses -# the abbreviation "GMT+4" and corresponds to 4 hours behind UT +# the abbreviation "-04" and corresponds to 4 hours behind UT # (i.e. west of Greenwich) even though many people would expect it to # mean 4 hours ahead of UT (i.e. east of Greenwich). -# -# In the draft 5 of POSIX 1003.1-200x, the angle bracket notation allows for -# TZ='<GMT-4>+4'; if you want time zone abbreviations conforming to -# ISO 8601 you can use TZ='<-0400>+4'. Thus the commonly-expected -# offset is kept within the angle bracket (and is used for display) -# while the POSIX sign is kept outside the angle bracket (and is used -# for calculation). -# -# Do not use a TZ setting like TZ='GMT+4', which is four hours behind -# GMT but uses the completely misleading abbreviation "GMT". # Earlier incarnations of this package were not POSIX-compliant, # and had lines such as @@ -51,30 +48,31 @@ Link Etc/GMT Etc/GMT0 # way does a # zic -l GMT-12 # so we moved the names into the Etc subdirectory. +# Also, the time zone abbreviations are now compatible with %z. -Zone Etc/GMT-14 14 - GMT-14 # 14 hours ahead of GMT -Zone Etc/GMT-13 13 - GMT-13 -Zone Etc/GMT-12 12 - GMT-12 -Zone Etc/GMT-11 11 - GMT-11 -Zone Etc/GMT-10 10 - GMT-10 -Zone Etc/GMT-9 9 - GMT-9 -Zone Etc/GMT-8 8 - GMT-8 -Zone Etc/GMT-7 7 - GMT-7 -Zone Etc/GMT-6 6 - GMT-6 -Zone Etc/GMT-5 5 - GMT-5 -Zone Etc/GMT-4 4 - GMT-4 -Zone Etc/GMT-3 3 - GMT-3 -Zone Etc/GMT-2 2 - GMT-2 -Zone Etc/GMT-1 1 - GMT-1 -Zone Etc/GMT+1 -1 - GMT+1 -Zone Etc/GMT+2 -2 - GMT+2 -Zone Etc/GMT+3 -3 - GMT+3 -Zone Etc/GMT+4 -4 - GMT+4 -Zone Etc/GMT+5 -5 - GMT+5 -Zone Etc/GMT+6 -6 - GMT+6 -Zone Etc/GMT+7 -7 - GMT+7 -Zone Etc/GMT+8 -8 - GMT+8 -Zone Etc/GMT+9 -9 - GMT+9 -Zone Etc/GMT+10 -10 - GMT+10 -Zone Etc/GMT+11 -11 - GMT+11 -Zone Etc/GMT+12 -12 - GMT+12 +Zone Etc/GMT-14 14 - +14 +Zone Etc/GMT-13 13 - +13 +Zone Etc/GMT-12 12 - +12 +Zone Etc/GMT-11 11 - +11 +Zone Etc/GMT-10 10 - +10 +Zone Etc/GMT-9 9 - +09 +Zone Etc/GMT-8 8 - +08 +Zone Etc/GMT-7 7 - +07 +Zone Etc/GMT-6 6 - +06 +Zone Etc/GMT-5 5 - +05 +Zone Etc/GMT-4 4 - +04 +Zone Etc/GMT-3 3 - +03 +Zone Etc/GMT-2 2 - +02 +Zone Etc/GMT-1 1 - +01 +Zone Etc/GMT+1 -1 - -01 +Zone Etc/GMT+2 -2 - -02 +Zone Etc/GMT+3 -3 - -03 +Zone Etc/GMT+4 -4 - -04 +Zone Etc/GMT+5 -5 - -05 +Zone Etc/GMT+6 -6 - -06 +Zone Etc/GMT+7 -7 - -07 +Zone Etc/GMT+8 -8 - -08 +Zone Etc/GMT+9 -9 - -09 +Zone Etc/GMT+10 -10 - -10 +Zone Etc/GMT+11 -11 - -11 +Zone Etc/GMT+12 -12 - -12 |
