In the U.S., daylight saving time begins on the second Sunday in March at 2 a.m., when clocks "spring forward" one hour, and ...

It’s almost time to “fall back." As cooler weather settles in, the end of Daylight Saving Time is right around the corner — ...

Boston just experienced its last sunset past 6 p.m. this year. Here's when the last sunset past 5 p.m. will be.

It's getting dark much earlier. Today, Oct. 17, is the last sunset of the year after 6 p.m. in Providence. Here's when the ...

The United States Naval Observatory is one of the oldest scientific agencies in the United States, with a primary mission to produce Positioning, Navigation and Timing for the U.S. Navy and the U.S.

In the 2021 National Defense Authorization Act, Congress established a commission to rename several military bases and ships that commemorate members of the Confederacy. One of these is the Naval ...

On December 31, 2005 a “leap second” will be added to the world’s clocks at 23 hours, 59 minutes and 59 seconds Coordinated Universal Time (UTC). This corresponds to 6:59:59 pm Eastern Standard Time, ...