Regular verses Daylight Savings Time

Robert Berlinger rnb at
Tue Apr 23 11:16:01 CDT 2002

Actually NTP syncs to UTC -- it doesn't deal with daylight savings.  The
conversion to local wall clock time is done by library routines.

I don't know the answer either -- I believe it has to do with the
settings in /etc/localtime (which is binary data).  Normally this is set
during the system setup -- I don't know how to modify it subsequently.
(man tzfile talks about it from a technical standpoint).

-----Original Message-----
From: linux-poweredge-admin at
[mailto:linux-poweredge-admin at] On Behalf Of
Matt_Domsch at
Sent: Tuesday, April 23, 2002 11:46 AM
To: KZander at
Cc: linux-poweredge at
Subject: RE: Regular verses Daylight Savings Time
Importance: Low

> My 1400 server with RedHat 7.2 seems not to have recognized 
> the switch to 
> Daylight Savings Time.  Do I have to go into the BIOS to set 
> the time?  Did 
> I maybe miss something when setting up RedHat 7.2?  I do not 
> recall having this problem with RedHat 6.2.

I use ntpd to keep the time synchronized.  That worked great!  (The BIOS
doesn't know about time zones or daylight savings time.)


Matt Domsch
Sr. Software Engineer
Dell Linux Solutions
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