Ending biannual clock switching seems like the kind of bold move Trump loves. But as Congress considers a change, he has ...

The United States didn't adopt daylight saving time until March 19, 1918, with the intention of adding additional daylight hours also as a way to help save energy costs during World War I ...

The president's latest comments, paired with new congressional activity, has lobbyists ready to spring into action.

summer naturally provides significantly more daylight hours. Daylight saving time capitalizes on this natural phenomenon by artificially shifting an hour of morning sunlight—when many people are ...

But permanent Daylight Saving Time is worse," testified Karin Johnson ... There are only so many hours and minutes of sunlight in the day. Period. It’s always going to get too dark too early ...

“States may choose to exempt themselves from observing Daylight Saving Time by State law. States do not have the authority to ...