Forum Discussion
Windows 11: System Clock Losing Exactly 7 Minutes per Day
My Windows 11 system clock is losing exactly 7 minutes every single day, and I have to manually correct it each morning. This happens consistently regardless of whether I have the time sync feature e...
Windows maintains two time sources — the RTC (Real-Time Clock) powered by the CMOS battery (used when the PC is off), and the system clock maintained by the OS while running. At boot, Windows reads the RTC, then periodically adjusts the system clock using NTP (Network Time Protocol).