Time Zones in Arizona

Time zone	Local time and UTC offset	Next clock change
America/Denver	UTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock.	Enable JavaScript for upcoming changes.
America/Phoenix	UTC-07:00. Enable JavaScript for the live clock.	Enable JavaScript for upcoming changes.

Arizona: generalized boundary, north up. Open street map ↗

Official code: 04
Representative coordinates: 34.203936, -111.606345
Resident population, July 2025: 7,623,818
Land area: 294,366.239 km²
Water area: 853.869 km²
State: Arizona

Look up this point

The representative point identifies this area. It is not a street address or a boundary survey.

Arizona and daylight saving time

Most of Arizona stays on Mountain Standard Time. The Navajo Nation observes daylight saving time; the Hopi Reservation does not. Use the point lookup near these boundaries instead of choosing a clock for the entire state.

Counties and equivalents

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

Cities, towns and communities

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

Browse all cities, towns and communities for Arizona

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county at your current point, check its ZIP area, or find its physical time zone.

Open the Census geography profile ↗

Small boundary contacts to check

These maps have small contacts that do not confidently establish another jurisdiction or clock zone. They remain separate from the main answer. Check a precise address near the line with the responsible authority.