[Q] Computer time incorrect

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http://forum.xda-developers.com – This is weird.. No clue how/why it happens. I run a dual boot system, with 2 hard drives. my 1TB running Windows and my 500GB running Ubuntu (for android developing) I can boot into Windows and be fine.. Turn off the computer, and reboot into windows.. Still OK. The problem: If I boot into my 500GB hard drive (linux).. for any amount of time at all, then reboot into the 1TB (Windows/Primary channel) my time will be ahead by 6 hours.. And I keep having to set it back manually. It's not a huge issue, but it's extremely annoying. the Linux drive keeps time/date set properly.. I do n (HowTos)