Here is what you need to do:
Go to Control Panel and on the left side, under Options, click "Board Settings'
Uncheck the box that says Auto DST, another box will come to ask if DST is in effect.
Check or uncheck as necessary.
Scroll down and click to change your setting.
Look at the top just above the drop down to select your time zone and see if the time is now correct.
If so, you can now check the Auto DST box again, click to change your settings and you are good to go