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Old 06-03-2014, 09:59 AM   #1
Registered: Mar 2014
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Question Windows Time Changes

On one of my computers, I have Windows 7 and Linux.

When I boot into Linux and then reboot (later on) into Windows 7, my time in Windows 7 changes to around 6 hours in the future.

Is this a problem with Windows, or something else?
Old 06-03-2014, 10:22 AM   #2
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Location: Stuttgart, Germany
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Hi there,

Originally Posted by Train View Post
On one of my computers, I have Windows 7 and Linux.
When I boot into Linux and then reboot (later on) into Windows 7, my time in Windows 7 changes to around 6 hours in the future.
so I guess your location is 90 west of the Greenwich meridian, perhaps somewhere in the eastern third of the USA?
The point is that Windows assumes the real-time-clock to be running on local time, while Linux usually has it on UTC.

However, I'm dimly aware that you can change this behavior in Linux, so that it treats the clock the same way as Windows.

[X] Doc CPU
Old 06-03-2014, 11:24 AM   #3
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I think it is because your Linux is set up to UTC time and Windows is set up to Local time.

Make them match and you wouldnt have that problem any more
If you want Linux to be in the local time you can try as root

 date --set "5 Aug 2012 12:54 IST"
Obviously in the above command you must set your date, time and time zone correctly.

Now as root, synchronize the hardware clock to the current system time as local time.

 hwclock --systohc --localtime
That is from our friends at the Slackware site, in your distro it might work the same way or you have to search the topic for your distro.

Last edited by TroN-0074; 06-03-2014 at 11:33 AM.
Old 06-04-2014, 10:15 PM   #4
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I recently had the same problem with my Win8 laptop. During the install, I set the hardware clock to localtime. Apparently, though, Windows 8 keeps the hardware clock in UTC. So if setting the clock to local time doesn't fix it, try setting it to utc.


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