Windows isn't keeping time...

Discussion in 'Windows, Linux & Others on the Mac' started by Salamander, May 28, 2006.

  1. Salamander macrumors newbie

    Joined:
    May 12, 2006
    #1
    Whenever I boot into windows, it's always about three hours off. I always have to manually update the time. Doing this results in a time change on the OSX side of things as well. Thankfully OSX auto updates but it's still frustrating, any ideas that can help?
     
  2. Tinlad macrumors member

    Joined:
    May 1, 2006
    Location:
    Nottingham, UK
    #2
    It's a well-known problem.

    IIRC, it's because of the different ways in which XP and OS X get the time from the BIOS/EFI. On my MBP, XP is always an hour behind the real time.
     
  3. matticus008 macrumors 68040

    matticus008

    Joined:
    Jan 16, 2005
    Location:
    Bay Area, CA
    #3
    It's because of disagreement over what the time in the hardware clock represents. I think Apple uses UTC in the hardware clock and Microsoft sets the clock to local time. It's not a bug, just a misunderstanding. The clocks are working as they are designed; they're just designed differently.

    Your clocks should be off in Windows by the number of hours you are different from GMT. I have this same problem on my Linux-Windows dual boot computers which I can't fix due to software running in Linux which requires UTC in the system clock.
     

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