AZ · 54 sample points
What Time Zone Is Navajo County, Arizona
Navajo County is split. The sample found Mountain Time, no DST (61%, America/Phoenix); Mountain Time (39%, America/Denver). Mountain Time, no DST does not observe daylight saving time. Mountain Time observes daylight saving time.
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49 CFR 71 puts all of Arizona in the mountain zone. Arizona exempts the state from daylight saving time. The Navajo Nation, which crosses Apache, Navajo, and Coconino counties, observes daylight saving time with the rest of Mountain Time.
Inside the Navajo Nation, the Hopi reservation stays on Mountain Standard Time year-round. A single Arizona county can therefore contain both America/Denver and America/Phoenix.
Neighboring counties
Related: Arizona Daylight Saving Time
Questions
What time zone is Navajo County, Arizona?
Navajo County is split. The sample found Mountain Time, no DST (61%, America/Phoenix); Mountain Time (39%, America/Denver).
Does Navajo County observe daylight saving time?
Mountain Time, no DST does not observe daylight saving time. Mountain Time observes daylight saving time.
How many Arizona counties share this clock?
14 of 15 counties in Arizona use Mountain Time, no DST as their main result.