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Time zone changes for: Year. Date & Time. Abbreviation. Time Change. Offset After. 2020 — 2029. No changes, UTC -7 hours all of the period. * All times are local Tucson time.
Mar 4, 2024 · In 2024, daylight saving time will end for the year at 2 a.m. local time on Sunday, Nov. 3. It will pick up again next year on Sunday, March 9, 2025.
May 7, 2024 · Although often referred to as Daylight Savings Time (with an 's' on Saving) the true designation is Daylight Saving Time (DST). The state of Arizona is on Mountain Standard Time but, with the exception of the Navajo Nation, does not observe Daylight Saving Time.
- Mountain Standard Time
- Navajo Nation Uses DST
- No DST in Hopi Nation
- Opted Out of DST
- War Time DST
- Added 1 Hour During World War I
- World War II
- Emergency Law
- Return to Standard Time
- DST Unpopular in Arizona
Almost all of Arizona is on the same time zone, Mountain Standard Time (MST), all year. The time zone has a UTCoffset of minus 7 hours (UTC-7). It is also known as Mountain Time, but that term refers both to standard time and the time zone which is elsewhere used during DST: Mountain Daylight Time(MDT). Time in Arizona
The Navajo Nation, a semi-autonomous Native American territory, follows the United States DST schedule. It lies in northeastern Arizona, northwestern New Mexico, and southeastern Utah. During DST the Navajo Nation, which includes the towns of Tuba City, Chinle, and Window Rock, sets the clocks forward 1 hour to Mountain Daylight Time(MDT), which is...
A part of the Hopi Nation, which lies within the Navajo Nation, follows Arizona’s no-DST rule. To confuse matters more, there is also an even smaller Navajo Nation territory within the Hopi Nation within the Navajo Nation. In addition to this, there is another Hopi area adjacent to the main Hopi Nation territory. As a result, if driving the correct...
Arizona is exempt from DST according to the US Energy Policy Act of 2005. The Act gives every state or territory the right to decide if it wants to use DST. If DST is observed, the state has to schedule DST in sync with the rest of the US: From the second Sunday in March until the first Sunday in November. Because of Arizona’s hot climate, DST is l...
Arizona used DST, along with the rest of the US, during World War I in an effort to conserve fuel for the war. Also known as War Time, DST was used in Arizona from March 31 to October 27, 1918. At that time, Arizona had 2 time zones. Communities in the far west of the state, near California, used Pacific Time while the rest of Arizona observed Moun...
The state capital Phoenix and most of Arizona added 1 hour to Mountain Standard Time (MST) to what today is known as Mountain Daylight Time(MDT). When the War Time period ended, most of Arizona, including Phoenix, returned to MST. The communities along the state’s western border added 1 hour to Pacific Standard Time (PST) and used what is known tod...
In 1942, during World War II, President Franklin Delano Roosevelt introduced another period of War Time, and on February 9, 1942, most of Arizona moved to Mountain War Time, again with the few western border communities observing Pacific War Time. But, on January 1, 1944 when most of Arizona returned to MST, the western border communities remained ...
On April 1, 1944, an emergency law was passed to establish Mountain Time and Pacific Time as the state’s time zones. The law stated that DST was to be used from April 1 to September 30. Federal offices and departments were exempt from the law. Since this law was an emergency measure, it became effective as soon as it was signed. There is some uncer...
On October 1, 1944, most of Arizona returned to Mountain Standard Time (MST), while most of the Mohave County region changed to Pacific Standard Time (PST). Most parts of the state remained on MST until the mid-1960s. In 1966, the US Congress passed the Uniform Time Act, which set a schedule for DST. It was still up to local jurisdictions to decide...
The DST trial in 1967 provoked so many negative reactions that DST was never used again. People in Arizona, including many businesses, farming communities, and parents, preferred to remain on Mountain Standard Time throughout the year claiming that DST produced no benefits for them. Most people believed that DST was not necessary given Arizona’s ho...
Nov 5, 2023 · Nov 5, 2023 Updated Nov 5, 2023. 0. November 5 is the day most of the country sets their clocks back by one hour. Arizona does not participate. TUCSON, Ariz. (KVOA) – November 5th at 2 a.m. EST...
Winter Time or Standard local time UTC/ GMT, is the one used the rest of the year, when there is no DST summer time. Do not use daylight saving time throughout the year. (No Daylight Saving Time). The whole year uses the same time zone.
