Roll your own Linux timezone files

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1 total messages Started by John Henderson Sat, 05 Apr 2008 22:53

#99

Author: John Henderson
Date: Sat, 05 Apr 2008 22:53

48 lines
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# File AUtz.txt - Australian Time Zones.
# Pre-2008 info is mostly inaccurate or missing -
# I just haven't bothered with it.
#
# Assumes SA will keep in step with eastern states indefinitely,
# and WA will reject DST extension at 2009 referendum.
#
# To install on my system:
#
# # /usr/sbin/zic AUtz.txt
#
# Zone files will be installed in /usr/share/zoneinfo (depends
# on your distribution).
#
# You can then check for correctness, eg:
#
# # /usr/sbin/zdump -v /usr/share/zoneinfo/Australia/Canbera
#
# Then, either make a symbolic link from your zone to
# /etc/localtime, or overwrite /etc/localtime (whichever method
# for your distribution).
# Or graphically select one of the locations defined below.

# Rule  NAME    FROM    TO      TYPE    IN      ON              AT      SAVE    LETTER/S
Rule    AEDT    1996    2007    -       Oct     lastsun         2       1       D
Rule    AEDT    1997    2007    -       Mar     lastsun         3       0       S
Rule    AEDT    2008    max     -       Oct     Sun<=7          2       1       D
Rule    AEDT    2008    max     -       Apr     Sun<=7          3       0       S
Rule    AWDT    2007    2008    -       Oct     lastsun         2       1       D
Rule    AWDT    2008    2009    -       Mar     lastsun         3       0       S

# Zone  NAME                    GMTOFF  RULES/SAVE      FORMAT          [UNTIL]
Zone    Australia/Adelaide      09:30   AEDT            ACST/ACDT
Zone    Australia/Brisbane      10:00   -               AEST
Zone    Australia/Canberra      10:00   AEDT            AEST/AEDT
Zone    Australia/Darwin        09:30   -               ACST
Zone    Australia/Hobart        10:00   AEDT            AEST/AEDT
Zone    Australia/Melbourne     10:00   AEDT            AEST/AEDT
Zone    Australia/Perth         08:00   AWDT            AWST/AWDT
Zone    Australia/Sydney        10:00   AEDT            AEST/AEDT

# references:
# man zic
# http://www.bom.gov.au/climate/averages/tables/dst_times.shtml
# http://www.australia.gov.au/Time
# http://www.australia.gov.au/Time_Zones
# http://wa.gov.au/daylightsaving/
# http://www.dpac.tas.gov.au/divisions/policy/daylightsavings/

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