hi
i have a problem with my system clock.
whenever i reboot or start my system my clock is incremented by around 6 hrs. after that its alright i.e if i correct the time it dosent mis behave but i dont know whats wrong in reboot or booting the sys?
if somebody can help or faced this kinda situation?
Where do you live? Not your street address, just your local time zone.
It is likely that there is a mismatch between the way your hardware clock is set and the way Linux thinks it is set. For example, your hardware clock is set for local time, but Linux thinks it is set for UT (Universal Time, also called Greenwich Time), so during boot/init converts this setting to your local time zone. Or it may be the other way around, depending on whether your local time zone is +600 or -600.
Or, just conceivably, there is a time-zone mismatch between the init script that reads the hardware clock and the shutdown script that uses the kernel clock to update the hardware clock.
The details of how to fix this depend on which way the problem is occurring, which way you need your hardware clock to be set (for example, if you dual boot, I believe Windows expects the hardware clock to show local time; Linux-only systems customarily run UT hardware clocks), and what Linux distro/version you are using.
Oh, one last thing ... you say "around" 6 hours, not exactly 6 hours. This indicates clock drift in the hardware clock, a very normal thing on PCs, which use very cheap clock hardware. The usual solution to clock drift, under Linux (and even under Windows), is to use an NTP (Network Time Protocol) deamon to sync the kernel clock to an ntp server and to correct for drift locally. Read up on this in the usual places, including the man pages for ntpd (the daemon) and ntpdate (a client that only re-syncs the clock periodically, normally from a cron script).
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