From Rhythm Watch Co comes this radio-controlled alarm clock that uses an analog thermometer face. Movement of the second hand stops at night, assuring a quiet sleep environment without disturbing ...

Most digital radio-controlled clocks have an indicator on the display and some analog clocks have “a button you can push that indicates through a series of tones or beeps if the signal is there.” ...

Q: Radio-controlled clock I have a clock radio controlled by the atomic clock and, as of Monday, it still had not changed to the daylight-saving time. Why is that? – BARBARA VELEZ Rancho Palo… ...

NIST is changing the way it broadcasts time signals that synchronize radio-controlled "atomic" clocks and watches to official US time in ways that will enable new radio-controlled timepieces to be ...

Most radio-controlled clocks are programmed to receive this signal once per day with built-in receivers and calibrate their time accordingly.