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Massachusetts, United States

Massachusetts observes Eastern Time, including the seasonal daylight-saving change. Boston and every other Massachusetts community share one official clock, although their sunrise times are not perfectly identical.

Boston, United States

3:49:26 AM

Saturday, 7 November 2026

UTC−5 · America/New_York

Time and sun data for Boston — the administrative centre of Massachusetts

The sun in Boston

Sunrise 6:26 AM Solar noon 11:29 AM Sunset 4:32 PM Daylight 10 h 06 min Night 13 h 54 min Civil twilight 5:56 AM – 5:02 PM

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Current time in Massachusetts, United States

The Massachusetts clock is Eastern Standard Time when standard time is in effect and Eastern Daylight Time during daylight saving. The current label and UTC offset therefore depend on the calendar date.

Boston time is commonly used as shorthand for the state’s time, but it is not a separate municipal zone. Worcester, Springfield, Cambridge, Lowell, Cape Cod, and the islands all follow the same legal clock. Devices set to an appropriate Eastern time-zone location should change automatically.

A Massachusetts minute is the same length everywhere, even when Boston traffic offers a persuasive counterargument.

Boston, Worcester, Springfield, and the statewide clock

Massachusetts has no internal time-zone boundary. This simplifies train timetables, university calendars, sporting events, and calls between the eastern coast and the western part of the state. Boston, the largest city, follows Eastern Time.

Worcester uses exactly the same official clock as Boston. Springfield does not change zones when travelers arrive from eastern Massachusetts. Cambridge and Lowell also observe the statewide time. Nantucket and Martha’s Vineyard share the mainland’s civil time.

A shared clock should not be confused with shared solar conditions. The Berkshires are west of Boston, and coastal or island locations have different horizons. Consequently, dawn and sunset can occur at slightly different clock readings across the Commonwealth.

Finding a useful sunrise or sunset

For sunrise, select the city or coordinates nearest the intended activity. A Boston result is suitable for central Boston but less exact for Pittsfield, Provincetown, or Nantucket. The date is essential because both the duration of daylight and the Sun’s path change with the seasons.

Daylight saving makes sunrise and sunset appear later on the civil clock after the spring clock change. When standard time resumes, their displayed clock readings move earlier. This is a change in timekeeping, not a sudden change in the amount of daylight.

Calculated sunrise also assumes a conventional horizon. A skyline, wooded ridge, coastal bluff, or heavy cloud can affect when direct sunlight becomes visible. Anyone planning photography may want twilight times as well, because usable ambient light begins before the published sunrise. The equivalent distinction applies after sunset.

Questions and answers

What time zone does Massachusetts use?: Massachusetts uses the Eastern Time Zone, with standard time and daylight time according to the seasonal clock schedule.
Is Springfield an hour behind Boston?: No. Springfield and Boston have the same official local time.
Which city should I use for a sunrise lookup?: Use the closest city or exact coordinates, especially when timing an outdoor activity near the coast or in western Massachusetts.