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Science

Why We Still Change the Clocks, and What Happens at 2 a.m. on November 1

A clock face with an arrow looping backward by one hour

This Sunday, November 1, 2026, at 2:00 a.m. local time, clocks in most of the United States move back to 1:00 a.m. It is the earliest the change can land, because the rule is the first Sunday of November. For one night, 1:30 a.m. happens twice.

It was not a farmer's idea

The most repeated fact about daylight saving time is that it was invented for farmers. It was not. Cows do not read clocks, and farm groups were among the loudest opponents when the idea went national. The first country-wide use came in 1916, when Germany and Austria-Hungary moved their clocks forward to save fuel during World War I. Other countries, including the United States in 1918, followed within a couple of years.

What about Benjamin Franklin?

Franklin gets credit for the idea because of a 1784 essay in which he joked that Parisians could save money on candles by waking up earlier and using morning sunlight. It was satire. He never proposed changing the clocks, and the modern practice has nothing to do with it.

Why the rules look so strange

For decades after World War I, American towns chose their own clock rules. A bus ride through a few counties could mean changing your watch several times. Congress finally set one national system with the Uniform Time Act of 1966. Under it, states may skip daylight saving time entirely, which is why Arizona (apart from the Navajo Nation) and Hawaii stay on standard time all year. The current start and end dates come from the Energy Policy Act of 2005.

Where the push to end it stands

The big debate today is not whether to stop changing the clocks, but which time to keep. The Sunshine Protection Act would make daylight saving time permanent. The House of Representatives passed it on July 14, 2026, by a vote of 308 to 117. As of late October the Senate has not voted on it, and it needs the President's signature to become law. Many states have passed laws that would switch to permanent daylight saving time, but those laws only work if Congress changes the federal rule. Sleep researchers, for their part, have argued for permanent standard time instead, so even supporters of ending the switch do not agree on the end result.

A small trick for Sunday

Falling back is the easier direction, but it still nudges your body clock. A few things help: shift your bedtime later by 15 minutes over a few nights, get outside in the morning light, and keep meals at the same hours on the clock. Also swap the batteries in your smoke detectors while you are changing the batteries in everything else, a habit fire departments have encouraged for years.

Today's useful detail: the clock change was born out of wartime fuel savings, not farming and not Benjamin Franklin.

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