Do I need to change my phone and computer manually?

No. Any device that syncs its time over the internet updates itself. Car clocks, ovens, microwaves and older wall clocks usually need doing by hand.

Time Change Arizona 2027

Q: Do the clocks change in Arizona in 2027?

No. Arizona does not observe Daylight Saving Time, so the clocks do not change at any point in 2027.

Q: Which way do the clocks go?

The usual mnemonic is "spring forward, fall back": clocks go forward one hour in spring and back one hour in autumn.

2027 time change dates for Arizona

Arizona does not observe Daylight Saving Time

Arizona has opted out of Daylight Saving Time since 1968 and stays on Mountain Standard Time. The Navajo Nation, in the north-east corner of the state, is the exception and does change its clocks.

Arizona stays on MST for the whole year.

Countdown to the next change

Background

The Energy Policy Act of 2005 extended US DST by four weeks starting in 2007, moving the start to the second Sunday in March and the end to the first Sunday in November.
The energy case for DST is weak by modern standards. A US Department of Energy study in 2008 found savings of about 0.5% of daily electricity use, and other studies have found no saving at all.
The Uniform Time Act of 1966 ended a chaotic period in which US cities set their own clock-change dates, and established a uniform national schedule.

Tips for Arizona

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Consider the time change when scheduling meetings with people in other time zones.

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Gradually adjust your sleep schedule a few days before the time change to minimize disruption.

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Check and replace smoke detector batteries when changing clocks - it's a good reminder!

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Set your clocks before going to bed to avoid confusion in the morning.

Frequently asked questions

When do the clocks change in Arizona in 2027?

They do not. Arizona does not observe Daylight Saving Time.

Which way do the clocks go?

"Spring forward, fall back" is the usual mnemonic: forward one hour in spring, back one hour in autumn.

Do I have to change anything myself?

Phones, computers and anything that syncs over the internet update on their own. Car clocks, ovens, microwaves and older wall clocks generally do not.

Is Daylight Saving Time being scrapped?

It has been proposed in many places and adopted in few. The European Parliament voted in 2019 to end mandatory clock changes and the change has stalled; in the United States the Sunshine Protection Act has repeatedly passed the Senate without becoming law. Most of the world that changes its clocks is still changing them.