Windows changes my computers clock

First published August 28, 2017 • Last modified on July 18, 2026 • 1 min read • 53 words If I am not mistaken, Windows is the only OS, that uses local time for the system clock (instead of UTC). This means that in multiple boot configurations, every restart of the system into Windows will screw up the system time. In order to reset it (in Ubuntu 16.04), usesudo timedatectl set-timezone Etc/UTC