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 ...

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 ...

STATEN ISLAND, N.Y. — When Daylight Saving Time arrives next month, we have to set our clocks ahead one hour. But do we, really? Many of the clocks we rely on daily actually do the resetting all by ...