How to coordinate the clock when dual-booting with Windows

[Xen]

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

> 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.