Primary city
Phoenix
US time zone
Arizona (Mountain Standard)
Most of Arizona stays on Mountain Standard Time year-round and does not observe daylight saving. The Navajo Nation does observe DST.
MST UTC−7 year-round No daylight saving America/Phoenix
Standard offset
UTC−7
Daylight saving
No
IANA id
America/Phoenix
Major cities
- Phoenix , AZ
- Tucson , AZ
Related states & territories
Some states span multiple zones — these links cover places commonly associated with Arizona Time.
Convert into Arizona Time
Pick any city and local time — results highlight every U.S. zone, with Arizona (Mountain Standard) called out.
Converting 12:00 in Tokyo, JP. Times use official IANA zones (DST applied automatically).
| U.S. zone | Local time | Date | Note |
|---|---|---|---|
| Eastern Time EST | — | — | — |
| Central Time CST | — | — | — |
| Mountain Time MST | — | — | — |
| Pacific Time PST | — | — | — |
| Alaska Time AKST | — | — | — |
| Hawaii–Aleutian Time HST · no DST | — | — | — |
| Arizona (Mountain Standard) MST · no DST | — | — | — |
| Atlantic Time (Puerto Rico) AST · no DST | — | — | — |
| Chamorro Time ChST · no DST | — | — | — |
| Samoa Standard Time SST · no DST | — | — | — |
Live clocks refresh about every 30s. Prefer a city page? Browse the U.S. time zones list.