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The US House just voted 308–117 to end the twice-yearly clock change. They passed the Sunshine Protection Act. If it becomes law, the nation stays on daylight saving time permanently. No more falling back.

Supporters want the brighter winter evenings. But the secondary effects of stopping the clock are immense. Airlines and global transit networks warn that unwinding their complex, deeply integrated schedules will take up to two years. Sleep scientists are actively campaigning against the move. They warn that shifting the sun will force millions of Americans into morning commutes and school runs in pitch-black winter darkness.

The bill now heads to an uncertain Senate. If it survives, it advances to the President’s desk for signature.