Time in Acton, Massachusetts now
Acton is in Massachusetts and uses Eastern Time. The clock on this page is live, and the times below are worked out for the coordinates of Acton.
- State
- Massachusetts
- Time zone
- Eastern Time
- Offset from UTC now
- Daylight saving time
- Yes, 8 Mar to 1 Nov
- Population
- 20,897
- Coordinates
- 42.4851° N, 71.4328° W
Sunrise and sunset in Acton.
Worked out for 42.4851° N, 71.4328° W from the position of the sun, and updated every minute. On the longest day of 2026 the sun is up in Acton for 15h 18m, and on the shortest day for 9h 4m.
- Sunrise
- Sunset
- Day length
- Solar noon
- Moon phase
- Moon lit
Acton compared with other cities.
How the clock in Acton lines up with the rest of the United States and a few cities around the world, right now.
| City | Time zone | Local time | From Acton |
|---|---|---|---|
| New York | Eastern Time | --:-- | |
| Chicago | Central Time | --:-- | |
| Denver | Mountain Time | --:-- | |
| Phoenix | Mountain Time without daylight saving | --:-- | |
| Los Angeles | Pacific Time | --:-- | |
| Honolulu | Hawaii-Aleutian Time | --:-- | |
| London | United Kingdom | --:-- | |
| Dubai | United Arab Emirates | --:-- | |
| Tokyo | Japan | --:-- | |
| Sydney | Australia | --:-- |
Time in places near Acton.
The closest places listed for Massachusetts, with the distance from Acton and their local time. See every place on the Massachusetts page.
When the clocks change in Acton.
Acton follows the national rules: clocks go forward one hour on the second Sunday of March and back one hour on the first Sunday of November, at 2:00 local time.
- 8 March 2026 Clocks go forward 1 hour Daylight saving time starts at 2:00 local time
- 1 November 2026 Clocks go back 1 hour Daylight saving time ends at 2:00 local time
- 14 March 2027 Clocks go forward 1 hour Daylight saving time starts at 2:00 local time
- 7 November 2027 Clocks go back 1 hour Daylight saving time ends at 2:00 local time
Sunrise and sunset above move with the clock change, so evenings are an hour lighter from Sunday, 8 March 2026.
Quick answers about time in Acton.
Short answers about the time zone, sunrise, clock changes and neighbours of Acton.
01
What time is it in Acton right now?
Acton is on Eastern Time, UTC-5, and UTC-4 during daylight saving time. The clock at the top of this page shows the current local time and updates every minute.
02
What time zone is Acton in?
Acton uses Eastern Time, the same zone as the rest of Massachusetts in most cases. The Massachusetts page shows every zone used in the state.
03
Does Acton observe daylight saving time?
Yes. Clocks in Acton go forward one hour on Sunday, 8 March 2026 and back one hour on Sunday, 1 November 2026, both at 2:00 local time.
04
What time does the sun rise in Acton?
Today's sunrise and sunset are shown live on this page. On the longest day of 2026 the sun rises at 05:08 and sets at 20:26, and on the shortest day it rises at 07:11 and sets at 16:15.
05
How long is the longest day in Acton?
The sun is up for 15h 18m on the June solstice and for 9h 4m on the December solstice. Day length changes fastest around the equinoxes in March and September.
06
What is the time difference between Acton and New York?
Acton is on the same time as New York all year.
07
What is the time difference between Acton and London?
Acton is 5 hours behind London for most of the year. The gap changes for a few weeks each spring and autumn, because the United States and the United Kingdom change their clocks on different dates.
08
How many people live in Acton?
Acton has about 20,897 people, which makes it one of the places listed for Massachusetts on Time Dates. Population figures come from GeoNames.
09
Where is Acton?
Acton sits at 42.4851° N, 71.4328° W in Massachusetts, about 21 miles from Boston.
10
Which places are closest to Acton?
The closest places listed are Maynard, 4 miles away, Concord, 5 miles away and Stow, 5 miles away. Each one shows its own local time on this page.