Most of the United States begins Daylight Saving Time at 2:00 a.m. on the second Sunday in March and reverts to standard time on the first Sunday in November. In the U.S., each time zone switches at a different time.
For the U.S. and its territories, Daylight Saving Time is NOT observed in Hawaii, American Samoa, Guam, Puerto Rico, the Virgin Islands, the Commonwealth of Northern Mariana Islands,
Yes, it's that time again. We return to Daylight Savings Time at 2AM tomorrow, Sunday, March 10. Don't forget to set your clocks ahead one hour before your go to bed tonight.
Daylight saving time kicks in early Sunday morning, and doctors say grogginess from the lost hour of sleep isn’t the only concern — your heart health could be at risk, too.