People across the U.S. — even in states like Arizona, where most don’t observe daylight saving time — are beginning to wonder when the clocks will go back, adding an extra hour of daylight for the next four months, until daylight saving time 2025 on Sunday starts. March 9.

Here’s what you need to know about when the time will change in fall 2024, whether we’ll gain an hour in November and why some parts of Arizona observe daylight saving time and others don’t.

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When does time change in autumn?

The time will change on Sunday November 3 at 2am. Then Daylight Savings Time ends in 2024 and clocks will be reset to 1 a.m. in most of the country.

Will we get an hour of profit in November?

Yes. When the clocks turn back one hour on November 3, people living in states that observe daylight saving time will get an extra hour of daylight.