How to coordinate the clock when dual-booting with Windows

Kevin O'Gorman kogorman at
Mon Dec 11 04:10:18 UTC 2017

On Sat, Dec 9, 2017 at 11:04 PM, Xen <list at> wrote:

> Kevin O'Gorman schreef op 10-12-2017 0:00:
> I've installed Ubuntu into a Windows laptop.  I missed the place where I
>> was supposed to tell the install that the clock will be kept in local time,
>> so switching between Linux and Windows is a pain.
> sudo timedatectl set-local-rtc true
This command is accepted on my Dell Laptop.  However, it does not seem to
change anything.

The odd thing is that Linux and the Dell BIOS show local time, but when I
boot Windows, the time needs to be adjusted.  I thought Windows always
accepted the BIOS date and time.

> Is there a way to fix this short of going back and doing it again?
> It's not possible to do it in the installer, I'm sorry.
I had done this with Ubuntu Server, and it asked the question during
install.  I assumed the question occured in all installs, but I guess I was

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Kevin O'Gorman
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