Arizona does not observe daylight saving time, remaining on Mountain Standard Time year-round and avoiding the annual shift of losing and gaining an hour. The rest of the country, including parts of the Navajo Nation within Arizona,

Arizona doesn't participate in Daylight Saving Time, which means that we won't have to adjust our clocks or worry about our sleep.

Only Hawaii and parts of Arizona do not observe Daylight Saving Time in the United States. It may not feel like the end of winter is near, but, rest assured, spring is just around the corner, even in South Dakota.

DST, a wartime idea first observed in 1918 to conserve energy, is recognized in every U.S. state except for Hawaii and most of Arizona.

It’s Hawaii and most of Arizona that remain on standard time all year, skipping the switching of the clocks in March and November.

Arizona maintains its refusal to observe Daylight Saving Time due to considerations of intense heat and lifestyle.

Daylight saving time begins at 2 a.m. on Sunday, March 9. On this day, participating states will turn their clocks forward one hour. The clocks "fall back" at 2 a.m. on Nov. 2. Daylight saving time is not observed in Hawaii and most of Arizona,

As the time to “spring forward” approaches, Nevada lawmakers are once again considering whether to do away with the practice entirely.

There's a few undeniable truths about Arizona: 1) our haboobs are no joke; 2) we simply adore vanity license plates; and 3) we don't adhere to daylight savings time. Some of those answers are more obvious than others — 'cause the plates are darling,

The rest of the country, including parts of the Navajo Nation within Arizona, observes daylight saving time. On Sunday at 2 a.m., clocks moved forward one hour to 3 a.m., a change that will remain in effect until standard time returns in November.

Arizona maintains its refusal to observe Daylight Saving Time due to considerations of intense heat and lifestyle.

The practice of daylight saving time spans over a century of U.S. law. Here's who started it and why we observe the time change.