If you’ve ever heard someone say a meeting is at 1630 and then felt your brain do a small cartwheel, you have met the 24-hour clock. In the United States, we mostly live by the 12-hour clock, with a.m ...

The clock going back for winter is far less disruptive than the spring shift, which has been linked to spikes in heart ...

INDIANAPOLIS -- It's known nationwide for rolling back prices. Now Wal-Mart is rolling back something else: its hours. At select locations in markets across the United States, the nation's largest ...

This Sunday, we will all dutifully set our clocks back one hour for daylight saving time. But why is our day divided into 24 hours, each hour divided into 60 ...

The iconic video art piece “The Clock” is being shown at MoMA for the first time in 12 years – and a few lucky visitors will be able to spend a night at the museum on Dec. 21 to view the 24-hour ...