The US House of Representatives voted 308 to 117 to advance the Sunshine Protection Act, which proposes to keep clocks one hour ahead permanently, eliminating the biannual clock changes.
- House passes bill for permanent daylight saving time 308-117
- Experts warn permanent DST may disrupt circadian rhythms
- Senate consideration remains uncertain, with some opposition
What happened
The US House of Representatives voted decisively to advance the Sunshine Protection Act, which would eliminate the need to switch clocks twice annually and make daylight saving time (DST) permanent across the country. This change would shift US timekeeping to remain one hour ahead year-round, affecting sunrise and sunset times from January through December. The bill passed with a 308 to 117 majority, signaling strong support in the House.
This legislative move follows advocacy from various proponents, including former President Donald Trump, who highlighted the financial and practical burdens of changing clocks twice a year. Despite this progress, the bill now moves to the Senate where its future remains uncertain due to skepticism from some Republican lawmakers and others concerned about potential downsides.
Why it matters
Permanent daylight saving time is intended to save money and reduce societal disruptions related to the semiannual time shifts. Estimates from prior studies placed the cost of adjusting clocks and lost productivity at billions of dollars annually, although newer technologies have somewhat mitigated this issue. Proponents argue a permanent time change could simplify schedules and decrease confusion nationwide.
Conversely, health experts caution that permanent DST may negatively impact human circadian rhythms. Leading sleep researchers recommend maintaining standard time year-round to better align with natural sleep-wake cycles, lowering risks of heart attacks, strokes, and accidents linked to disrupted sleep. Extended evening daylight may also complicate exposure to morning light, which is vital for regulating biological clocks.
What to watch next
The Sunshine Protection Act is headed to the US Senate, where debate will intensify over the bill’s benefits and drawbacks. Some senators, including Sen. Tom Cotton, have voiced opposition, emphasizing concerns about darker mornings, especially for children and workers. Given this divide, the bill’s passage in the Senate is not guaranteed and could face significant amendments or delays.