Daylight saving time became a national standard in 1966 when President Lyndon B. Johnson signed the Uniform Time Act, which ...

Daylight saving time occurs between March and November, when most Americans adjust their clocks ahead by one hour.

Donald Trump has expressed opposition to daylight saving time, calling it costly and inconvenient, but immediate nationwide changes to the system are unclear.

As daylight saving time approaches, President Donald Trump has voiced support for ending the time change, calling it “costly" and “inconvenient." Will his administration take action?

Trump and numerous states call for an end to Daylight Saving Time, highlighting its drawbacks as the next shift looms.

Is it time to stop changing our clocks twice a year? Here's a state-by-state look at efforts to make daylight saving time ...