7.1. Date & Time

7.1.1. UTC Realtime Clock

Only required if dual booting requires Windows 10. Set BIOS clock to UTC and update windows to interpret the Realtime Clock (RTC) using the UTC timezone. Disable NTP updates and let other operation system handle clock updates.

Use UTC for windows system clock

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation

RealTimeIsUniversal

DWORD

1

Updated: 2021-12-15 Reference

Disable NTP sync

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\TimeProviders\NtpClient

Enabled

DWORD

0

Updated: 2021-12-15 Reference

Reboot.