Time in Arizona

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Time in Arizona, as in all U.S. states, is regulated by the United States Department of Transportation.

Arizona is in the Mountain Time Zone.

Daylight saving time

Daylight saving time in Arizona. DST regions are colored yellow.

Unlike most of the United States, Arizona does not observe daylight saving time (DST), with the exception of the Navajo Nation, which does observe DST. The Hopi Reservation, which is not part of the Navajo Nation but is geographically contained within it, does not observe DST.[1]

The tz database version 2016d contains two time zones for Arizona:

CC Coordinates TZ Comments UTC offset UTC offset DST Notes
US +332654-1120424 America/Phoenix Mountain Standard Time - Arizona (except Navajo) −07:00 −07:00
US America/Shiprock −07:00 −06:00

References

  1. "Most of Arizona Exempt from Daylight Saving Time", timeanddate.com. Retrieved October 18, 2012.