Sunshine Protection Act stalls as Senate GOP rebels

The Sunshine Protection Act, which would lock the U.S. into year-round Daylight Saving Time, cleared the House but faces a likely dead end in the Senate as northern Republicans cite dark winter school mornings. Sleep scientists instead urge permanent standard time for circadian health. Geographic lines—not party—are driving the clash over clocks.

Key Takeaways

• The House passed the Sunshine Protection Act to allow year-round Daylight Saving Time, but Senate prospects look dim.
• Northern Republicans, including allies of President Trump, oppose permanent DST over dark morning school commutes.
• In places like Wisconsin, winter sunrises could stretch past 8 a.m. under year-round DST.
• Sleep scientists and major medical groups favor permanent standard time for circadian alignment.
• Congress tried permanent DST in the 1970s and repealed it within about a year amid public backlash.

What happened to the Sunshine Protection Act?

President Donald Trump wants Congress to end the twice-yearly clock change. Last week the House passed the Sunshine Protection Act, which would let states voluntarily observe Daylight Saving Time year-round.

Senate Majority Leader John Thune, R-S.D., said passionate views on both sides could slow the bill. A Fox News report framed the fight as northern versus southern states, not Democrats versus Republicans.

Sen. Tom Cotton, R-Ark., a Trump ally, has said he would "always oppose" permanent Daylight Saving. Sen. Mike Rounds, R-S.D., objected because South Dakota children would attend the first hour of school in the dark for more than six months a year.

Why do northern states resist permanent daylight saving?

Opponents warn that winter mornings would start later on the clock. In Madison, Wisconsin, winter sunrise is around 7:30 a.m.; under permanent DST it would be about 8:30 a.m., while 4:15 p.m. sunsets would shift to about 5:15 p.m., according to atmospheric scientist Steve Ackerman.

NOAA-based figures for Milwaukee show midwinter sunrise as late as 8:23 a.m. under year-round DST. Critics recall the 1970s experiment: Congress enacted year-round DST, then repealed it after about a year when parents rebelled against children waiting for school buses in darkness.

Florida Sen. Rick Scott, who introduced related legislation, calls the idea one of the most popular issues in his state and argues states should decide. Oklahoma Sen. James Lankford, an early co-sponsor with then-Sen. Marco Rubio, says it is "not a partisan issue, it's a preference issue."

What do sleep scientists say about year-round DST?

For readers tracking circadian health and recovery habits on BlasterPost's Longevity & Biohacking hub, the scientific consensus cuts against permanent DST.

Psychology Today notes that after clock changes, cardiovascular events, mood disorders, and crashes rise. A panel of 23 scientists, plus the American Academy of Sleep Medicine and the American Medical Association, favor permanent standard time because it better matches natural light-dark cycles.

Chronic misalignment from late evening light and early morning dark has been linked to higher risks of obesity, metabolic syndrome, heart disease, and depression—especially in western edges of time zones. The House vote was 308-117 on July 14, but several senators say the measure is unlikely to clear their chamber.

Hawaii and Arizona already keep standard time year-round. Whether the Sunshine Protection Act dies quietly or sparks another public backlash like the 1970s, the core trade-off remains evening daylight versus darker winter mornings—and sleep biology.