Sunshine Protection Act of 2025
- Bill Number
- S. 29
- Origin Chamber
- Senate
- Congress
- 119th Congress, Session 1
- Policy Area
- Science, Technology, Communications
- Status
- Introduced
- Latest Action
- 2025-01-07: Read twice and referred to the Committee on Commerce, Science, and Transportation.
- Last Updated
- 2026-07-23T15:53:20Z
AI-Generated Summary
Purpose
The Sunshine Protection Act of 2025 aims to eliminate the seasonal changes between standard time and daylight saving time (DST) by making DST the permanent standard time across the United States. This would end the practice of "springing forward" and "falling back" twice a year, providing year-round consistency in time observance.
Key Provisions
- Repeal of DST Temporality: The bill repeals Section 3 of the Uniform Time Act of 1966, which currently mandates DST as a temporary period from the second Sunday in March to the first Sunday in November.
- Permanent Shift to DST: It amends the Calder Act of 1918 (which defines standard time zones) by advancing each time zone's standard time forward by one hour. For example:
- Eastern Standard Time becomes what is currently Eastern Daylight Time year-round.
- Similar shifts apply to Central, Mountain, Pacific, Alaska, Hawaii-Aleutian, and other zones.
- State and Local Exemptions: States or areas that previously opted out of DST (under the Uniform Time Act) can choose to:
- Adopt the new advanced standard time, or
- Retain their previous standard time as it existed before the bill's enactment.
This preserves flexibility for places like Arizona (which mostly does not observe DST) or Hawaii (which never observes DST).
- Short Title: The legislation is titled the "Sunshine Protection Act of 2025."
Significant Changes to Existing Law
- Elimination of Clock Changes: Unlike current law, which requires mandatory DST observance nationwide (with limited exemptions), this bill removes all seasonal adjustments, making the advanced time (former DST) the default year-round.
- Amendments to Time Zone Definitions: The Calder Act's descriptions of time zones are updated by reducing the offset from Greenwich Mean Time (GMT, the global time standard) by one hour in each zone—e.g., Pacific Standard Time shifts from GMT-8 to GMT-7 permanently.
- Preservation of Exemptions: While repealing the national DST mandate, the bill explicitly allows prior exemptions to continue or adapt, ensuring no forced change for non-observing regions.
Potential Impacts
- On Citizens: Individuals would no longer need to adjust clocks biannually, potentially reducing disruption to sleep patterns, health, and daily routines. More evening daylight year-round could encourage outdoor activities, retail spending, and energy savings in winter, but might lead to darker mornings, affecting early commuters or schoolchildren.
- On Government Agencies: The Department of Transportation (which oversees time standards under the Commerce Clause) would enforce a single, permanent time system, simplifying administration. No major new regulatory burdens, but updates to federal systems (e.g., transportation schedules, federal clocks) would be needed.
- On International Relations: Minimal direct impact, as U.S. time zones align with global standards; however, it could slightly affect cross-border coordination with Canada and Mexico, which observe DST similarly but might need to adjust if not following suit. No changes to international treaties on time.
Main Stakeholders Affected
- General Public: All U.S. residents, particularly those in education, healthcare, and agriculture, who experience the effects of time shifts.
- States and Localities: Especially non-DST observers like Arizona and Hawaii, which gain choice in maintaining their current systems; other states may see economic boosts from consistent "sunshine" hours.
- Businesses and Industries: Retail, tourism, and energy sectors could benefit from extended evening light; transportation (airlines, railroads) and technology (scheduling software) would need to update operations.
- Bipartisan Supporters: The bill has cosponsors from both parties, indicating broad political interest in ending time changes.
Notable Legal, Constitutional, or Political Implications
- Legal: Relies on Congress's authority under the Commerce Clause of the U.S. Constitution (Article I, Section 8) to regulate interstate commerce, including uniform time standards—a power upheld in past Supreme Court cases on time regulation. The bill amends two key statutes (Uniform Time Act and Calder Act) without creating new enforcement mechanisms.
- Constitutional: No apparent conflicts; it maintains federal oversight while respecting state exemptions, aligning with federalism principles that allow limited state deviations from national standards.
- Political: Introduced with bipartisan support (18 cosponsors from diverse states), reflecting public fatigue with clock changes (polls often show majority favor for permanence). If passed, it could set a precedent for simplifying outdated federal rules, but passage in the House and presidential approval remain uncertain.
This summary was generated by AI and may contain inaccuracies. Refer to the official source document for the authoritative text.
Sponsor
Cosponsors (18)
Sen. Murray, Patty [D-WA], Sen. Tuberville, Tommy [R-AL], Sen. Wyden, Ron [D-OR], Sen. Hagerty, Bill [R-TN], Sen. Markey, Edward J. [D-MA], Sen. Lummis, Cynthia M. [R-WY], Sen. Whitehouse, Sheldon [D-RI], Sen. Lankford, James [R-OK], Sen. Heinrich, Martin [D-NM], Sen. Paul, Rand [R-KY], Sen. Padilla, Alex [D-CA], Sen. Blackburn, Marsha [R-TN], Sen. Schatz, Brian [D-HI], Sen. Hyde-Smith, Cindy [R-MS], Sen. Smith, Tina [D-MN], Sen. Britt, Katie Boyd [R-AL], Sen. Moody, Ashley [R-FL], Sen. Scott, Tim [R-SC]
Recent Actions
- 2025-01-07: Read twice and referred to the Committee on Commerce, Science, and Transportation.
- 2025-01-07: Introduced in Senate
Bill Versions
- Sunshine Protection Act of 2025 — issued 2025-01-07 — PDF (4 pages)