United States · Massachusetts
Current local time in Acton
Acton keeps time on the America/New_York zone, currently UTC−4. The offset shifts twice a year with daylight saving, and the clock below always reflects the rule in force today. The clock runs live in your browser; nothing about your location is sent anywhere.
Current local time
Acton, Massachusetts
Acton time zone at a glance
- IANA time zone
- America/New_York
- Current UTC offset
- UTC−4
- Daylight saving
- Observed
- Next clock change
- Sun, Nov 1, 2026 → UTC−5
- Country
- United States
- Region
- Massachusetts
- Coordinates
- 42.49°, -71.43°
- Population
- 20,897
- Local date
- Tue, Sep 1, 2026
Sunrise and sunset in Acton today
Computed from Acton's latitude and longitude for the current local date. Times shift by a minute or two either side depending on elevation and the horizon you actually see.
- Sunrise
- 6:15 AM
- Sunset
- 7:15 PM
- Solar noon
- 12:45 PM
- Day length
- 13h 0m
- Civil dawn
- 5:41 AM
- Civil dusk
- 7:48 PM
- Golden hour ends
- 6:48 AM
- Golden hour begins
- 6:42 PM
Acton time difference from major cities
| City | Local time now | Acton is |
|---|---|---|
| Los AngelesUnited States | 03:07 PM | 3h ahead |
| LondonUnited Kingdom | 11:07 PM | 5h behind |
| DubaiUnited Arab Emirates | 02:07 AM | 8h behind |
| TokyoJapan | 07:07 AM | 13h behind |
Need a different pair? Compare any two cities or convert a specific time.
Actontime — questions & answers
- What time is it in Acton right now?
- Acton is on America/New_York, currently UTC−4. The clock at the top of this page shows the live local time and updates every second in your browser.
- What time zone is Acton in?
- Acton uses the IANA time zone America/New_York, which is UTC−4 at the moment. The offset shifts across the year because the zone observes daylight saving time.
- Does Acton observe daylight saving time?
- Yes. The next change is on Sun, Nov 1, 2026, shifting the offset to UTC−5.
- What time do the sun rise and set in Acton today?
- Today the sun rises at about 6:15 AM and sets at about 7:15 PM local time in Acton, giving roughly 13h 0m of daylight. Solar noon falls at 12:45 PM.
Working with Acton time
Scheduling across America/New_York is where most calendar mistakes start — a meeting agreed in one zone drifts by an hour the moment either side changes its clocks. These tools each handle a piece of that problem.