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 ...

UNIDENTIFIED PERSON: National Institute of Standards and Technology time - this is radio station WWV, Fort Collins, Colo. SIMON: WWV is the oldest continuously operating radio station in the United ...

Deep in the Colorado foothills, there are two radio transmitters that control the time on millions of clocks all across North America. It’s WWVB, the NIST time signal radio station that sends the time ...