Date and Time configuration in dual boot configuration

[SZodrow at t-online.de]

Hi,
 
in dual boot configurations (Linux plus Windows) there can be an issue with 
changing time display.
 
My new Laptop was delivered with Win 11 and I left it on a minimized 
partition - you never know, if you need it. In daily usage I use Debian and 
it runs fine. For a check I started up Win 11 and since then Debian/Linux 
is 1 hour in advance (TZ Berlin).
 
The reason is that Win stores time in local time while Linux stores it in 
UTC. There are 2 options to fix this:
1. apply a registry hack in Win to use UTC
2. change timedatectl in Linux to local.
 
Option 1. is said to be the favoured solution. Find a better explnation 
here:
https://ubuntuhandbook.org/index.php/2021/06/incorrect-time-windows-11-dual-boot-ubuntu/amp/
 
I think, it were a good idea to mention this problem in the "Date & Time" 
help.
 
BR, Stephan

 


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