If you work on a dual boot system you might experience that when you log off from Windows, onto Linux, and to Windows again, the time that is shown in the bottom right corner might be an hour or more off the actual time. This will correct once you refresh it by loading the time from a time server again but will remain an issue for the next logins.
This has not directly to do with daylight savings or an incorrect time zone, but most likely with Linux assuming that the BIOS time is set to UTC while it's set to local time. So it just changes the BIOS clock according to that. Logging in to Windows with the wrong BIOS clock will result in a wrong system time.

This Linux behavior can easily be changed though, so just login to your Linux system and open a command line. First log in as root with your password:

sudo su

Then enter following to open the rcS file (note that I use vi as text editor - you can use any other you like here):

vi /etc/default/rcS

Now look for the line reading UTC = yes and change it to UTC = no. Save the file and try to boot into Windows - if every other time setting is set correct you should get the right time now.

Incorrent Time on Windows/Linux Dual Boot System
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