daylight savings time change

James Cooley jcooley at fit.edu
Tue Aug 9 20:36:16 UTC 2005


Timezone rules are defined by the files in /usr/share/zoneinfo.

These files are provided by the tzdata rpm package in Red Hat.  

The file /etc/localtime  (which is your local timezone definition file) 
is actually just copied from /usr/share/zoneinfo

--James Cooley


Ed Wilts wrote:

>On Tue, Aug 09, 2005 at 09:59:44AM -0400, Smith, Albert wrote:
>  
>
>>If you are worried about your clock and such I wouldn't worry about it
>>as long as your are using NTP if anything would change locally on the
>>server I would most likely assume a kernel update and maybe the timezone
>>files. But I would use NTP to attach to a public atomic clock to be
>>exact. 
>>    
>>
>
>And this will not help you in any way.  NTP always serves up the time in
>UTC.  It's up the client to convert that to a local time.
>
>That said, I can't remember where the files are located that determine
>the timezone rules.  I don't know if it's built into glibc or not.
>
>  
>




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