AZ · 15 counties
Arizona time zone map
14 in Mountain Time, no DST, 1 in Mountain Time. Split: Apache County, Coconino County, Navajo County.
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Click a county to see its zone and the current local time.
Zone breakdown
Mountain Time, no DST MST · 14
IANA names in this clock: America/Phoenix.
Mountain Time MT · 1
IANA names in this clock: America/Denver.
Neighboring states
Guides
Questions
What time zone is Arizona in?
Arizona uses more than one clock: 14 in Mountain Time, no DST, 1 in Mountain Time.
Which Arizona counties are split between time zones?
Apache County, Coconino County, Navajo County are split in the boundary sample or by a daylight-saving exception inside the county.
Does Arizona observe daylight saving time?
Most of Arizona does not. The Navajo Nation does. Hawaii is the other state that stays off daylight saving time.
Estimates only
County colors come from an interior sample of Census outlines against timezone-boundary-builder. 49 CFR Part 71 is the legal description, including towns that sit on the line.