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make/data/tzdata/etcetera

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  25 
  26 # This file is in the public domain, so clarified as of
  27 # 2009-05-17 by Arthur David Olson.
  28 
  29 # These entries are mostly present for historical reasons, so that
  30 # people in areas not otherwise covered by the tz files could "zic -l"
  31 # to a timezone that was right for their area.  These days, the
  32 # tz files cover almost all the inhabited world, and the only practical
  33 # need now for the entries that are not on UTC are for ships at sea
  34 # that cannot use POSIX TZ settings.
  35 
  36 # Starting with POSIX 1003.1-2001, the entries below are all
  37 # unnecessary as settings for the TZ environment variable.  E.g.,
  38 # instead of TZ='Etc/GMT+4' one can use the POSIX setting TZ='<-04>+4'.
  39 #
  40 # Do not use a POSIX TZ setting like TZ='GMT+4', which is four hours
  41 # behind GMT but uses the completely misleading abbreviation "GMT".
  42 
  43 Zone    Etc/GMT         0       -       GMT
  44 Zone    Etc/UTC         0       -       UTC

  45 
  46 # The following link uses older naming conventions,
  47 # but it belongs here, not in the file 'backward',
  48 # as functions like gmtime load the "GMT" file to handle leap seconds properly.
  49 # We want this to work even on installations that omit the other older names.
  50 Link    Etc/GMT                         GMT
  51 
  52 Link    Etc/UTC                         Etc/Universal
  53 Link    Etc/UTC                         Etc/Zulu
  54 
  55 Link    Etc/GMT                         Etc/Greenwich
  56 Link    Etc/GMT                         Etc/GMT-0
  57 Link    Etc/GMT                         Etc/GMT+0
  58 Link    Etc/GMT                         Etc/GMT0
  59 
  60 # Be consistent with POSIX TZ settings in the Zone names,
  61 # even though this is the opposite of what many people expect.
  62 # POSIX has positive signs west of Greenwich, but many people expect
  63 # positive signs east of Greenwich.  For example, TZ='Etc/GMT+4' uses
  64 # the abbreviation "-04" and corresponds to 4 hours behind UT




  25 
  26 # This file is in the public domain, so clarified as of
  27 # 2009-05-17 by Arthur David Olson.
  28 
  29 # These entries are mostly present for historical reasons, so that
  30 # people in areas not otherwise covered by the tz files could "zic -l"
  31 # to a timezone that was right for their area.  These days, the
  32 # tz files cover almost all the inhabited world, and the only practical
  33 # need now for the entries that are not on UTC are for ships at sea
  34 # that cannot use POSIX TZ settings.
  35 
  36 # Starting with POSIX 1003.1-2001, the entries below are all
  37 # unnecessary as settings for the TZ environment variable.  E.g.,
  38 # instead of TZ='Etc/GMT+4' one can use the POSIX setting TZ='<-04>+4'.
  39 #
  40 # Do not use a POSIX TZ setting like TZ='GMT+4', which is four hours
  41 # behind GMT but uses the completely misleading abbreviation "GMT".
  42 
  43 Zone    Etc/GMT         0       -       GMT
  44 Zone    Etc/UTC         0       -       UTC
  45 Zone    Etc/UCT         0       -       UCT
  46 
  47 # The following link uses older naming conventions,
  48 # but it belongs here, not in the file 'backward',
  49 # as functions like gmtime load the "GMT" file to handle leap seconds properly.
  50 # We want this to work even on installations that omit the other older names.
  51 Link    Etc/GMT                         GMT
  52 
  53 Link    Etc/UTC                         Etc/Universal
  54 Link    Etc/UTC                         Etc/Zulu
  55 
  56 Link    Etc/GMT                         Etc/Greenwich
  57 Link    Etc/GMT                         Etc/GMT-0
  58 Link    Etc/GMT                         Etc/GMT+0
  59 Link    Etc/GMT                         Etc/GMT0
  60 
  61 # Be consistent with POSIX TZ settings in the Zone names,
  62 # even though this is the opposite of what many people expect.
  63 # POSIX has positive signs west of Greenwich, but many people expect
  64 # positive signs east of Greenwich.  For example, TZ='Etc/GMT+4' uses
  65 # the abbreviation "-04" and corresponds to 4 hours behind UT


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