DST for Australian timezones not working

Prabhuram K prabhuram.k at gmail.com
Mon Oct 8 08:34:54 UTC 2007


Hi,
I wanted to update my linux box with the recent DST changes in
Australia/Newzealand. I downloaded the latest tzdata from
ftp://elsie.nci.nih.gov/pub/ and I compiled 'australasia' using zic
compiler. I replaced the latest timezone settings for Australia under
/usr/share/zoneinfo.

zdump shows the recent DST changes for Australian time zones. (from 2008,
daylight savings starts on the first Sunday in October and end on the first
Sunday in April)

[root at a10-10-4-61 root]# zdump -v /etc/localtime | grep 2008
/etc/localtime Sat Apr 5 16:29:59 2008 UTC = Sun Apr 6 02:59:59 2008 CST
isdst=1 gmtoff=37800
/etc/localtime Sat Apr 5 16:30:00 2008 UTC = Sun Apr 6 02:00:00 2008 CST
isdst=0 gmtoff=34200
/etc/localtime Sat Oct 4 16:29:59 2008 UTC = Sun Oct 5 01:59:59 2008 CST
isdst=0 gmtoff=34200
/etc/localtime Sat Oct 4 16:30:00 2008 UTC = Sun Oct 5 03:00:00 2008 CST
isdst=1 gmtoff=37800
[root at a10-10-4-61 root]#

Now my problem is, DST settings for Australia starts correctly on first
sunday of October, but it is not ending at first sunday of April.

*DST START: (working perfectly)
---------*
[root at a10-10-4-61 root]# date
Sun Oct 5 01:59:59 CST 2008
[root at a10-10-4-61 root]# date
Sun Oct 5 03:00:00 CST 2008
[root at a10-10-4-61 root]#

*DST END: (not working)
--------*
[root at a10-10-4-61 root]# date
Sun Apr 6 02:59:59 CST 2008
[root at a10-10-4-61 root]# date
Sun Apr 6 03:00:00 CST 2008
[root at a10-10-4-61 root]#

To cross verify, I tried the same thing in Fedora Core 7 without the patch,
there also I observed the same behavior. i.e., without the patch, DST
correctly starts on last Sunday of October, but not ending at last Sunday of
march.

Is this an known issue?  Not sure if I am doing something wrong.

Any help would be highly appreciated.

Thanks for your time,
Prabhu
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