Windows/Ubuntu Dual Boot-Setting time in one changes time in the other

[Dirk Freitag]

Brian McKee wrote:
> On Fri, Mar 27, 2009 at 6:51 PM, Andrew Johnson <ajj9 at case.edu> wrote:
>> I am dual booting Ubuntu 8.10 and Windows 7 beta.  The time in Windows
>> is always 4 hours ahead of Ubuntu.  Whenever I change the time in one it
>> also changes it in the other.  The BIOS clock shows the correct time.
>>
>>
>> I've tried changing the time zone and setting time via the Internet, but
>> the times are still always 4 hours apart.
> 
> Your in Eastern under Daylight savings then :-)
> 
> Yep - Windows expects the hardware clock to be in local time, and Unix
> usually wants UTC.
> 
> I believe the fix is to set in /etc/default/rcS the line UTC=yes to
> UTC=no and reboot into Windows.  Make sure the clock is right there,
> then boot back into Ubuntu.
> 
> Brian
> 

Brian,

I am confused as to how the two OSes can affect one another like that. 
If you are not booted into Ubuntu, it shouldn't matter what the time is 
set to in Windows and visa versa.  He was saying that if he changes the 
time in Windows, then the time in Ubuntu changes as well.  This 
absolutely makes no sense to me.

--
Dirk Freitag
Linux Registered User Number 487244          [http://counter.li.org/]

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