[CentOS] Time 1 hour out

Peter Gross pag at nanosec.com
Wed Mar 28 15:41:49 UTC 2007

Andy Wright wrote:
> Ralph Angenendt wrote:
>> Ralph
>>   Does the system clock run on UTC time? 
> Hi Ralph,
> the hardware clock is set to the correct local time - one of the servers 
> uses the rtc to switch itself on at 1am to receive offsite backups so I 
> prefer this not to be UTC time.
> I have disabled "System clock uses UTC" and rebooted, but as soon as I 
> run ntpd the system backs jumps back an hour.
> Andy.

Two really dumb questions:
1. Have you updated the tzdata package? Here's the output of rpm -qi 
tzdata on my system:

[pag at sempron zoneinfo]$ rpm -qi tzdata
Name        : tzdata                       Relocations: (not relocatable)
Version     : 2007d                             Vendor: CentOS
Release     : 1.el4                         Build Date: Sat 24 Mar 2007 
02:46:37 AM MDT
Install Date: Sun 25 Mar 2007 10:17:19 PM MDT      Build Host: 
Group       : System Environment/Base       Source RPM: 
Size        : 687779                           License: GPL
Signature   : DSA/SHA1, Sat 24 Mar 2007 03:21:46 AM MDT, Key ID 
Summary     : Timezone data
Description :
This package contains data files with rules for various timezones around
the world.

2. Is your /etc/localtime the correct one for your timezone? For 
example, my timezone is MDT. So my /etc/localtime should be copied from 


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