Thursday, April 06, 2006

Windows screws up your clock

If you have an Intel Mac, and you installed Windows XP with the newly released Boot Camp from Apple (or you plan on it), beware of your system clock. Windows will screw up the time on the Mac!

This is because of the way the time is stored in EFI/BIOS. Windows XP sets the BIOS clock to match the local clock, but OS X uses the international standard UTC (Universal Time, otherwise known as GMT). One way to fix the problem is to set the Windows time zone to GMT (+0000) and deselect "automatically adjust for daylight saving time".

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