What time is it in Marlborough, Massachusetts?

Marlborough is currently on daylight saving time. The next change is Sunday, November 1, 2026, when 2:00 am becomes 1:00 am local time.

Marlborough sits at 42.35°N, 71.55°W. For sunrise and sunset there — which do depend on exactly where it is, unlike the clock — see sunrise and sunset in Marlborough.

The clock says the same thing everywhere in Eastern Daylight Time, but the sun does not. Over Marlborough it is highest at 12:37 pm today — 37 minutes after clock noon.

At 71.5°W, Marlborough sits comfortably inside its zone. Daylight saving adds another hour on top until the clocks change.

Today runs 12 hours 1 minute in Marlborough, and the day is getting shorter by 3 minutes a day. Across the year it swings 6 hours 13 minutes, from 15 hours 17 minutes at the June solstice down to 9 hours 4 minutes in December.

At 42.3°N that puts Marlborough between Kailua at 2 hours 22 minutes and Fairbanks at 18 hours 9 minutes.