Armies started using the 24-hour method of timekeeping as standard military time because, much like police, fire, and medical departments, every branch of the armed services is in continuous operation ...

Daylight saving time will end on Sunday, November 2, 2025, when clocks "fall back" one hour. Clocks will "spring forward" one hour for the start of daylight saving time on Sunday, March 8, 2026. The ...

Here’s what you’ll learn when you read this story: Our biological clock, or circadian rhythm, is immensely important to our health, and scientists are now unpacking the process’s secrets at the ...

The clock going back for winter is far less disruptive than the spring shift, which has been linked to spikes in heart attacks and traffic accidents. Every year, as clocks go back in October, millions ...