Learn why Phoenix stays on Mountain Standard Time (MST) year-round without observing Daylight Saving Time.
Learn which time zone Arizona is in and why it doesn’t observe daylight saving time, except for the Navajo Nation.
Learn about the time difference between Antelope Canyon and Monument Valley due to Arizona and Utah’s time zone and daylight saving practices.
Discover Arizona's unique time zones: MST for most of the state and MDT observed by the Navajo Nation during Daylight Saving Time.
Discover how New Mexico and Arizona differ in time zones due to Daylight Saving Time observance and the Navajo Nation exception.
Discover Phoenix, Arizona's time zone—consistently Mountain Standard Time (GMT-7) without Daylight Saving changes.
Page, Arizona follows Mountain Standard Time year-round, but nearby Navajo Nation observes Daylight Saving Time, creating temporary time differences.