Daylight Saving Time for 2025 begins in most parts of the United States at 2 a.m. on Sunday, with Americans losing an hour of ...

Despite the national observance, Arizona and Hawaii don't observe daylight saving time. Under federal law, states are allowed to opt out of daylight saving time and remain on standard time but are not ...

The time change can be hard on our health. There are more car accidents, strokes and heart attacks this week. People eat more ...