OpenBSD/Windows Dual boot time issue.

I use my X250 to ocassionaly dual boot into Windows to use Aim’s Race Studio software to download data from my son’s MyChron and watch videos of his laps. The problem is that when I boot into Windows the time changes by an hour, the change is reflected in BIOS too. So when I boot back into OpenBSD I set the time back using rdate:

rdate pool.ntp.org

And we are back with the correct time!