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I'm running a tri-boot setup with Windows 7, ubuntu 12.04, and Backtrack 5 all running on separate partitions. When ever I boot into windows after linux the time is all messed up and I have to manually reset it. The same happens the other way around. How do I fix this?


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possible duplicate of Clock time is off by 4 hours –  Eric Carvalho May 19 at 11:17

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up vote 3 down vote accepted

That's because Windows doesn't do UTC. Refer to this.

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Thanks! In your opinion, what do you think would be better, making windows UTC or Linux local? –  redIago Jul 19 '12 at 6:24
UTC is the better way to go ;) –  Rinzwind Jul 19 '12 at 6:51


This is mentioned in the link provided. So I guess we have to make Ubuntu use hardware clock as local time.

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