NIST (National Institute of Standards and Technology) has updated its guide to radio-controlled clocks, which the organization says is among its most-requested publications, as it is downloaded about ...

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 ...

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? According to the Time and Frequency Division of the National ...

Radio-controlled clocks can automatically adjust the time and calendar by receiving standard radio waves. However, radio-controlled clocks do not always receive radio waves, and depending on the ...