House passes bill to make daylight saving time permanent, heads to Senate

WASHINGTON — The House passed the Sunshine Protection Act of 2025 this week, which aims to make daylight saving time permanent nationwide, meaning people would no longer have to change their clocks in the spring and fall.

WHAT IS THE HISTORY OF DAYLIGHT SAVING TIME?

The bill does allow parts of Arizona and the state of Hawaii, which currently do not observe daylight saving time, to remain in standard time. Meaning, that when signed into law, most of Arizona would remain one hour behind neighboring Mountain Time states, like Colorado, year-round.

Daylight saving time had been adopted sporadically throughout U.S. history before the federal government created a consistent nationwide schedule for changing the clocks with the Uniform Time Act of 1966, while allowing states to opt out.

In the Northern Tier of the country, places like Washington, Idaho, Montana and Minnesota gain more than an hour and a half of daylight over the course of the month as the days grow longer. Daylight saving time shifts more of that daylight into the evening, leaving sunsets nearly two hours later by month's end than at the beginning.

For many people, the biggest impact of permanent daylight saving time would be brighter evenings throughout the winter. But those later sunsets would be accompanied by darker mornings, especially across the Northern Tier, where sunrise wouldn't occur until well after 8 a.m. in some places.

HOW DAYLIGHT SAVING TIME CAN IMPACT YOUR HEALTH

President Trump urged the House to pass the bill and after a brief debate today, the U.S. House of Representatives passed the bill in a 308-117 bipartisan vote.

Once signed into law, the last clock change would happen in the fall of 2027, after which permanent daylight saving time would begin.

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