Maybe this will help seemed to help a lot of people on win8 with clock issues posted from Microsoft.
NOTE: 1 other thing you should check from my knowledge is your Bio's settings with clock that would be first choice then proceed with other fixes many issues you can simple google on this error. Seem to be on every version people have had issues.
1. Go to the Start Screen, Right-click to get the "All Apps" icon in the lower right of the screen, and click it.
2. Select "Control Panel"
3. From Control Panel, navigate to "System and Security" >> "Clock, Language, and Region" >> "Date and Time"
4. Click the "Internet Time" tab, and change the server to "time.nist.gov", then click update.
5. Check if the correct time is displayed with the "auto DST option"