Questions, answered honestly.

Daylight Saving Time (DST) is the practice of setting clocks one hour ahead of "standard" time so that more daylight falls in the evening instead of the early morning. In the US, clocks "spring forward" one hour on the second Sunday of March and "fall back" on the first Sunday of November.

The key thing most people miss: DST is the time we're on for nearly eight months of every year — March through November. So-called "standard" time only covers about four winter months. The time you experience most of the year, the one where the sun sets later, is DST.

Both end the clock change — the difference is which clock we keep. Permanent DST (what this bill does) keeps the "summer clock" year-round: later sunrises and later sunsets in winter. Permanent standard time keeps the "winter clock" year-round: earlier sunrises and earlier sunsets, all year.

In practical terms for winter: under permanent DST a 4:30pm sunset becomes 5:30pm, but a 7:15am sunrise becomes 8:15am. Under permanent standard time, winter stays as it is now, and summer evenings get an hour shorter — a 8:30pm July sunset becomes 7:30pm.

It started as a fuel-saving measure during World War I (1918), came back during World War II, and was standardized nationally by the Uniform Time Act of 1966 after decades of cities and states doing whatever they wanted. The original rationale — saving lamp oil and coal — predates air conditioning, LEDs, and the modern economy. Modern studies find the energy savings from switching clocks are negligible.

One thing, essentially: it makes Daylight Saving Time — the time we already observe from March to November — the permanent, year-round national time. No more springing forward, no more falling back. Ever.

It does not create a new time, add daylight, or change time zones. Your summer clock simply continues through the winter. Full text: H.R. 139 on Congress.gov.

No — the opposite, and this confuses a lot of people. The bill makes DST permanent. What it abolishes is the twice-yearly clock change. If you've ever said "I wish we'd stop changing the clocks," this bill does that — by keeping the later-sunset clock.

Nothing. States that currently exempt themselves from DST (Arizona and Hawaii, plus most US territories) can stay exactly as they are — the bill preserves that choice. They already locked their clocks; this bill lets everyone else do the same.

The House passed H.R. 139 on July 14, 2026, by a vote of 308–117. The companion bill, S. 29, has already cleared the Senate Commerce Committee with 18 bipartisan cosponsors. The remaining steps: a Senate floor vote, then the President's signature — and the President has publicly backed the bill. The Senate is the last real hurdle, which is why contacting your senators matters right now.

The effective date is set in the final version of the law, and it typically includes a transition period so airlines, schools, and software systems can prepare. The practical version: if the bill becomes law, there is one last "spring forward" — and then the clocks never move again.

Winter mornings get darker. Sunrise shifts an hour later from November through early March — in northern cities like Seattle or Minneapolis, mid-winter sunrise lands after 8:30am, which means dark school runs and commutes. That's the real cost, and anyone who tells you there isn't one is selling something.

The counterargument: you trade dark mornings (which most people spend indoors or asleep) for an extra hour of usable evening light on roughly 18 weeks of fall and winter days — with measurable benefits for retail spending, evening safety, and outdoor activity. See your city's exact numbers and judge the trade for yourself.

Yes. During the energy crisis, the US adopted year-round DST in January 1974 — and public approval collapsed within months, largely over dark winter mornings, and Congress repealed it. It's the strongest historical argument against the bill and worth taking seriously.

Supporters respond that 1974 isn't 2026: work and school start times are more flexible, remote work is common, evening activity (and evening crime) matters more to the economy, and the switch itself has documented health costs that weren't understood then. But the 1974 episode is why some senators remain cautious.

Many do. The American Academy of Sleep Medicine and researchers including a Stanford Medicine team argue morning light aligns better with human circadian biology, and would rather lock the clock on standard time. That's a legitimate scientific position.

Where virtually everyone agrees — sleep scientists included — is that the twice-yearly switch is the worst option: it's linked to spikes in heart attacks, strokes, fatal car crashes, and workplace injuries in the days after each change. This bill ends the switch. The disagreement is only about which fixed clock to keep, and Congress chose the one Americans already live on for eight months a year.

Not meaningfully — and honesty requires saying the original justification no longer holds. Modern studies find the twice-yearly switch produces negligible energy savings; some even find small increases in usage from air conditioning on longer summer evenings. The modern case for permanent DST rests on health (ending the switch), safety (lit evenings), and the economy (evening commerce) — not energy.

Call or email your two US senators — constituent contact is tallied and it genuinely moves offices. The Capitol switchboard is (202) 224-3121, or find direct contacts at senate.gov. A 30-second version: "I'm a constituent. Please support the Sunshine Protection Act — S. 29 — and end the clock changes." Full script and key senators on our Take Action page.

An independent citizen. This site is not affiliated with any campaign, candidate, party, or government office — it exists because changing the clocks twice a year is absurd and there's finally a real chance to end it. Sources are linked throughout so you can check everything yourself.