Forum Discussion
System Clock Warping After Dual-Boot
The system clock jumps forward or backward by exactly 4, 5, or 8 hours every time you boot back into Windows from Linux or macOS, due to one OS treating hardware clock as UTC while Windows treats it ...
The full registry key is:
reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation" /v RealTimeIsUniversal /t REG_DWORD /d 1