If your clock changes at the wrong time (e.g., shifts at 1 AM instead of 2 AM), you may have the wrong time zone or DST offset setting.
If the clock is showing the wrong time, you can force it to search for a new signal immediately: Press and hold the button for 3 seconds. The hands will return to and begin a new search. ch-899 chouchin radio controlled clock instructions
Pop in a fresh 1.5V AA alkaline battery (avoid rechargeables). If your clock changes at the wrong time (e