Hawaii and most of Arizona do not observe daylight saving time. Because of its desert climate, Arizona doesn't follow daylight saving time (with the exception of the Navajo Nation).

Daylight saving time starts at 2 a.m. Sunday, March 9. Clocks "spring forward" to 3 a.m. Arizona and Hawaii are the only states that do not observe daylight saving time.

After the time change in the fall, if it's 6 p.m. ET in Florida, it is 1 p.m. in Hawaii because the states that observe daylight saving time "fell back" an hour.

Daylight saving time was first formally enacted in the United States in 1918 and was put in place to give an extra hour of sunlight during the summer months. U.S. & World The day's top national ...

How researchers seek to perfect the study of time 02:31. As 2024's daylight saving time ends and clocks fall back, most of the U.S. will change the time on clocks — but there are two states and ...

Daylight saving time is coming this weekend. On Sunday, March 9, most Americans will be changing their clocks — at least the ones that still require changing — by springing them forward an ...

Daylight saving time has Americans in every state except for Hawaii and Arizona moving their clocks an hour backward on Sunday, Nov. 3 at 2 a.m. Here’s why it’s still practiced in most of the ...

Early Sunday morning, the United States — minus Hawaii and Arizona — will enter daylight saving time, the annual tradition of springing forward one hour. Most Americans will lose an hour of ...

There was a brief reprieve from the chaos when Congress passed the Uniform Time Act in 1966, formalizing when the country (minus Hawaii and most of Arizona) was on daylight saving time and ...

Daylight saving time starts on the second Sunday of March, when clocks spring forward an hour. Clocks will fall back an hour – so we will gain an hour – on Nov. 3, 2024, which is the first ...

Arizona and Hawaii do not recognize daylight saving time as well as territories Puerto Rico, the U.S. Virgin Islands, American Samoa, Guam and the Northern Marianas.