If the Windows Time keeps changing automatically on your Windows PC, it could be caused by a wrong time zone or Internet time server, a damaged CMOS battery, etc.

Related: Adjust for daylight saving time automatically is grayed out. Now, you’ll need to Synchronize time regularly with the Internet Time Server.

My clock gets out of whack very easily, and I was wondering if there was a way to make Windows automatically sync with an Internet time server every 12 hours or something without using a third ...