What a switch to permanent daylight saving time would mean for Mass.
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Switching the commonwealth to permanent daylight saving time is more realistic than ever.
Why it matters: Plenty of people in Massachusetts want more winter sunlight, but getting it would mean threading a federal needle, syncing with neighboring states and rewriting the school day.
State of play: The federal Sunshine Protection Act, which would make DST permanent nationwide, passed the U.S. House on July 14 with President Trump's backing.
- It's now stalled in the Senate, where the issue has languished before.
Zoom in: A 2017 state commission found year-round daylight saving time isn't as simple as flipping a switch or winding a clock here in Mass.
- Federal law bars states from adopting DST permanently on their own, and Massachusetts would need company from its neighbors for the move to make sense.
The big picture: None of this works if Massachusetts goes it alone.
- The commission warned that shifting time zones without neighboring states — especially New York — would scramble commutes, business schedules, entertainment timing and flights out of Logan Airport.
- So it landed on a recommendation: only move if a majority of Northeast states, including New York, move together.
By the numbers: Under year-round DST, winter sunrises in Boston would shift as late as 8:23am.
- Sunset would move from 4:11pm to 5:11pm.
- Research cited by the commission links brighter evening commutes to a 7% drop in robberies overall, and 27% during evening rush hour.
Between the lines: Darker mornings would likely force school start times back: 8am for elementary, 8:30am for middle and high schools.
Yes, but: Doctors and sleep researchers warn permanent DST fights the body's natural clock, citing links to heart attacks, stroke and seasonal depression.
- Groups like the American Medical Association back permanent standard time instead.
What's next: Without movement in Washington or a regional consensus, Massachusetts will stay on the clock it's on.
The bottom line: The path exists on paper. Whether the state's and nation's economy, biology and politics can agree on it all is another matter.