The rest of the country, including parts of the Navajo Nation within Arizona, observes daylight saving time. On Sunday at 2 a ...

Daylight saving time is set to start Sunday. See why most of the U.S. observes it and when it starts and ends in California.

That doesn't change, whether it's daylight saving time or not. But it's tricky for those in Arizona or Hawaii. What is the time zone math like if you live there? If it's 6 p.m. in Florida ...

Daylight saving time begins on Sunday, March 9, meaning most Americans will lose an hour of sleep as we "spring forward." ...

Daylight savings was reimplemented when time zones in the nation were standardized ... Hawaii and most of Arizona do not observe daylight saving time. Because of its desert climate, Arizona ...

Starting Sunday, Mar. 9, clocks around the U.S. will "spring forward" an hour at 2 a.m. While most states follow this ...

The Navajo Nation spans Arizona, Utah, and New Mexico, and observes daylight saving time to ensure the same time zone exists for all members. Due to Arizona’s extreme heat, the state opted out ...