What time is it in Watertown, Massachusetts?
8:04:36 AM
Friday, September 25, 2026. Eastern Daylight Time, UTC−4:00.
- Time zone
- Eastern Daylight Time
- UTC offset
- UTC−4:00
- Daylight saving
- In force now
- Population
- 35,985
Daylight saving in Watertown
Watertown is currently on daylight saving time. The next change is Sunday, November 1, 2026, when 2:00 am becomes 1:00 am local time.
Watertown sits at 42.37°N, 71.18°W. For sunrise and sunset there — which do depend on exactly where it is, unlike the clock — see sunrise and sunset in Watertown.
Clock time against sun time
The clock says the same thing everywhere in Eastern Daylight Time, but the sun does not. Over Watertown it is highest at 12:36 pm today — 36 minutes after clock noon.
At 71.2°W, Watertown sits comfortably inside its zone. Daylight saving adds another hour on top until the clocks change.
Daylight in Watertown today
- Sunrise
- 6:35 am
- Sunset
- 6:37 pm
- Day length
- 12 hours 1 minute
- Longest day
- 15 hours 17 minutes
Today runs 12 hours 1 minute in Watertown, 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 42.4°N that puts Watertown between Kailua at 2 hours 22 minutes and Fairbanks at 18 hours 9 minutes.