Daylight Saving Time Returns to Nevada

This weekend, most Americans will move their clocks one hour ahead to mark the start of Daylight Saving Time (DST). The change occurs at 2 a.m. Sunday, though Hawaii and most of Arizona do not observe DST and will remain on standard time.

DST shifts daylight into the evening hours during the warmer months, running from March to November, while Standard Daylight Time (SDT) returns from November to March, aligning daily schedules with the sun’s natural cycle.

The conversation over permanent time changes dates back years. In 2022, the U.S. Senate unanimously passed the Sunshine Protection Act, which would allow DST to be permanent nationwide, but the measure stalled in the House.

Reintroduced in 2025, it has stalled once more. Several states have passed measures favoring permanent DST, though federal approval for nationwide implementation is needed.

Many Americans want to stop switching the clocks, though there is less consensus on whether permanent standard time or permanent daylight time would be preferable. Health experts remain divided as well.

Some sleep scientists argue that permanent standard time better aligns with natural circadian rhythms, while DST proponents cite extended evening daylight as beneficial for businesses and outdoor activities. A 2024 study in the Journal of Clinical Sleep Medicine warned that the annual shift between standard and daylight time can desynchronize the body’s biological clock, potentially affecting physical and mental health, safety, and public health outcomes.

Despite decades of debate and continued legislative proposals, Nevadans will continue to adjust their clocks twice a year, for now, while discussions about permanent reform persist.