When does daylight saving time start and end?

When does daylight saving time start and end?: what it is for

See the date and time of the next clock change in the United States with a countdown in days, and the start and end dates of daylight saving time for this year and the next ten years. The dates are calculated with the federal rule: the second Sunday in March and the first Sunday in November.

The page also lists the places that stay on standard time all year, so you know if your clock will change at all.

How to use

1. See the next clock change.
2. Check the table of future dates.
3. See which places don't change.

When to use it

• Planning meetings across time zones.
• Setting alarms and devices.
• Scheduling shifts and flights.

Frequently asked questions

When does daylight saving time start and end?

Under the Energy Policy Act of 2005, in effect since 2007, DST starts at 2:00 a.m. local time on the second Sunday in March, when clocks move forward to 3:00 a.m., and ends at 2:00 a.m. on the first Sunday in November, when clocks go back to 1:00 a.m.

Which states don't observe daylight saving time?

Hawaii and most of Arizona stay on standard time all year (the Navajo Nation in Arizona does observe DST). The territories of Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa and the Northern Mariana Islands don't change their clocks either.

Is daylight saving time going to be permanent?

Congress has considered bills to make DST permanent, such as the Sunshine Protection Act. Unless one becomes law, clocks keep changing twice a year under the current rule, and the dates on this page apply. If the law changes, they won't.

Is it really free?

Yes, 100% free. No sign-up, no subscription and no usage limits. All Tools123 tools are free and run right in your browser.

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