[CentOS] tzdata

Peter Serwe peter at infostreet.com
Thu Feb 8 23:48:54 UTC 2007


Greg Bailey wrote:
> You can use the "zdump" to verify the DST rules.  Substitute the right 
> timezone in the command below:
>
> $ /usr/sbin/zdump -v "US/Pacific" -c 2006,2008
> US/Pacific  Fri Dec 13 20:45:52 1901 UTC = Fri Dec 13 12:45:52 1901 
> PST isdst=0 gmtoff=-28800
> US/Pacific  Sat Dec 14 20:45:52 1901 UTC = Sat Dec 14 12:45:52 1901 
> PST isdst=0 gmtoff=-28800
> US/Pacific  Sun Apr  2 09:59:59 2006 UTC = Sun Apr  2 01:59:59 2006 
> PST isdst=0 gmtoff=-28800
> US/Pacific  Sun Apr  2 10:00:00 2006 UTC = Sun Apr  2 03:00:00 2006 
> PDT isdst=1 gmtoff=-25200
> US/Pacific  Sun Oct 29 08:59:59 2006 UTC = Sun Oct 29 01:59:59 2006 
> PDT isdst=1 gmtoff=-25200
> US/Pacific  Sun Oct 29 09:00:00 2006 UTC = Sun Oct 29 01:00:00 2006 
> PST isdst=0 gmtoff=-28800
> US/Pacific  Sun Mar 11 09:59:59 2007 UTC = Sun Mar 11 01:59:59 2007 
> PST isdst=0 gmtoff=-28800
> US/Pacific  Sun Mar 11 10:00:00 2007 UTC = Sun Mar 11 03:00:00 2007 
> PDT isdst=1 gmtoff=-25200
> US/Pacific  Sun Nov  4 08:59:59 2007 UTC = Sun Nov  4 01:59:59 2007 
> PDT isdst=1 gmtoff=-25200
> US/Pacific  Sun Nov  4 09:00:00 2007 UTC = Sun Nov  4 01:00:00 2007 
> PST isdst=0 gmtoff=-28800
> US/Pacific  Mon Jan 18 03:14:07 2038 UTC = Sun Jan 17 19:14:07 2038 
> PST isdst=0 gmtoff=-28800
> US/Pacific  Tue Jan 19 03:14:07 2038 UTC = Mon Jan 18 19:14:07 2038 
> PST isdst=0 gmtoff=-28800
>
> You can see DST takes effect on March 11 this year, so the rules are 
> updated.  This output was from a CentOS 4 system, but I'd imagine the 
> results should be the same on CentOS 3.

On a side note, but kind of on-topic, I want to set my box to live in a 
different timezone.  In my case, I actually
want the box to live in GMT +0000, how would I go about doing that?  I 
have this sneaky suspicion it's a sneaky
little file somewhere, but I haven't been able to locate it.

Peter



-- 
Peter Serwe <peter at infostreet dot com>

http://www.infostreet.com

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