Almost all of the US state of Arizona does not use Daylight Saving Time (DST), and uses the time zone Mountain Standard Time (MST) all year.

Time zones in Arizona, including time zone names for standard time and Daylight Saving Time (DST) in 2025.

Daylight saving time (DST) observance across Arizona. Green regions observe DST, grey do not. Unlike most of the United States, Arizona does not observe daylight saving time (DST), with the exception of the Navajo Nation , which does observe DST.

Does Arizona Have Daylight Saving Time? Most of Arizona does not use DST. The only exception is the Navajo Nation where clocks spring forward 1 hour together with the rest of the United States on the second Sunday in March and fall back again on the first Sunday in November (see locations in the table below).

3 天之前 · US state Arizona (AZ) time zone information, including time zone map, daylight savings time, current local time and state time bills.

The United States observes daylight saving time in almost all States, except for most of Arizona UTC -7h, and the Hawaiian Islands UTC-10h, which maintains the same time zone throughout the year.

2023年9月11日 · Arizona is in the Mountain Standard Time zone, and most of the state does not observe daylight saving time. However, the Navajo Nation, in the northeastern part of the state, does observe...

6 天之前 · Check time in Arizona right now, UTC offset and daylight saving time dates. When does clock change in 2025?

Arizona is on Mountain Standard Time. Arizona does not observe Daylight Saving Time, with the exception of the Navajo Nation. Arizona previously observed Daylight Saving Time beginning in 1918, but made the permanent change to Standard time in 1968.

2023年1月26日 · Yes, Arizona can have two time zones depending on the period of the year: The Mountain Standard Time (MST) used by most of the state, and the Daylight Saving Time (DST) used by the Navajo Nation inside of Arizona. Pin Arizona time zone map. The southwestern desert state of Arizona (with the red color in the map above) is one of two in the whole ...