Overview
- The House passed the Sunshine Protection Act in a wide bipartisan vote last week, and President Donald Trump has said he will sign the measure if Congress sends it to him.
- Senators including Tom Cotton, John Thune and others from northern and western states have vowed to block quick consideration, arguing year‑round DST would force children and many workers to start their days in darkness.
- The bill’s state opt‑out rule lets states avoid permanent DST only if they had already adopted permanent standard time in advance, a technical limit that would leave most states unable to switch immediately.
- Public‑health groups such as the Sleep Research Society and the American Medical Association favor permanent standard time because morning light better aligns with circadian rhythms, and several reporters note those health warnings are central to Senate objections.
- Practical and procedural barriers — a crowded Senate calendar and the 60‑vote threshold to overcome a filibuster — mean leaders must decide whether to bring the bill to the floor or let it stall before the August recess.