[ntp:questions] question about DST

askarali at gmail.com askarali at gmail.com
Mon Jun 2 03:47:29 UTC 2008


On May 31, 9:54 pm, Unruh <unruh-s... at physics.ubc.ca> wrote:
> asrai... at gmail.com writes:
> >On May 31, 3:17 am, David Woolley
> ><da... at ex.djwhome.demon.co.uk.invalid> wrote:
> >> Bill Unruh wrote:
> >> > Ah, ok. But then he should subscribe to the mailing list while he is asking
> >> > questions of the list or the newgroup. Ie, expecting people to privately
>
> >> Definitely.
>
> >> >ftp://elsie.nci.nih.gov/pub/tzdata*.gz
> >> > which can be downloaded from the web. In that file are listed all the known
>
> >> "known" may be the issue.  Unless the country is Morocco, in which case
>
> He claims to be in Pakistan. The latest tzdata file KNOWS about the change
>
> #
> Rule Pakistan  2002  only  -  Apr   Sun>=2   0:01  1:00  S
> Rule Pakistan  2002  only  -  Oct   Sun>=2   0:01  0  -
> Rule Pakistan  2008  only  -  Jun   1  0:00  1:00  S
> Rule Pakistan  2008  only  -  Sep   1  0:00  0  -
> # Zone   NAME     GMTOFF   RULES FORMAT   [UNTIL]
> Zone  Asia/Karachi   4:28:12 -   LMT   1907
>          5:30  -  IST   1942 Sep
>          5:30  1:00  IST   1945 Oct 15
>          5:30  -  IST   1951 Sep 30
>          5:00  -  KART  1971 Mar 26 # Karachi Time
>          5:00 Pakistan  PK%sT # Pakistan Time
>
> >So switching from +5:00 to +6:00 GMT is what i have to do at OS side?
>
> NO. What you have to do is go to that nist site, download the latest tzdata
> file
> tzdata2008c.tar.gz
> to your Linux machine
>
> untar it
> tar -xzf tzdata2008c.tar.gz
> zic asia
> rm /etc/localtime
> cp /usr/share/zoninfo/Asia/Karachi /etc/localtime
>
> And you are done.
> You can copy that same file to your other Linux ( and probably unix)
> machines as well, and you are done.
>
> On Windows follow Moe's suggestion.

Thanks for the step by step instructions, its works on Linux (centos)
I'll update after doing it on other OS (Solaris).

I wonders what will be procedure when after three months when the
clocks go back?




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