Time/date doesn't sync.

First, make sure your clock is set to the correct time zone.

Right click the clock.
Select adjust date and time.
Next select change time zone.

If your time zone is correct you may have a bad CMOS battery but you can get around it by having the system sync more often with the internet time.
1. Go to start
2. Type task and hit enter
3. Click the arrow on the left next to task scheduler Library
4. Click the arrow next to Microsoft
5. Click the arrow next to windows
6. Click the folder Time Synchronize
7. At the top right click Synchronize
8. Click properties
9. Go down and check run with the highest privileges
10. Click the triggers tab at the top
11. Double click the trigger that is listed in the box
12. At the top Begin task at start up
13. Uncheck delay task
14. Check repeat task (change to 5 min)
15. On the right hand side change duration of indefinitely
16. Click OK twice
Exit Task Scheduler