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danilopiazza's avatar
danilopiazza
Copper Contributor
Jan 09, 2026
Solved

Downsides of using UTC time by setting RealTimeIsUniversal

Hi, I have a dual-boot machine where I use both Windows 11 and Linux. To fix a minor annoyance with the hardware RTC clock always being set to the wrong time zone whenever I switch to the other OS,...
  • CalahanReed's avatar
    Jan 14, 2026

    Setting RealTimeIsUniversal to 1 tells Windows that the hardware clock is set to UTC, aligning it with Linux's expectations.

    When this is enabled, Windows will interpret the hardware clock as UTC rather than local time.