Time Zones in Massachusetts
Massachusetts uses Eastern Time.
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
- Official code
- 25
- Representative coordinates
- 42.156520, -71.489592
- Resident population, July 2025
- 7,154,084
- Land area
- 20,204.475 km²
- Water area
- 7,130.575 km²
- State
- Massachusetts
The representative point identifies this area. It is not a street address or a boundary survey.
Counties and equivalents
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Barnstable County, Massachusetts
- Berkshire County, Massachusetts
- Bristol County, Massachusetts
- Dukes County, Massachusetts
- Essex County, Massachusetts
- Franklin County, Massachusetts
- Hampden County, Massachusetts
- Hampshire County, Massachusetts
- Middlesex County, Massachusetts
- Nantucket County, Massachusetts
- Norfolk County, Massachusetts
- Plymouth County, Massachusetts
- Suffolk County, Massachusetts
- Worcester County, Massachusetts
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Abington CDP, MA
- Acushnet Center CDP, MA
- Adams CDP, MA
- Agawam Town city, MA
- Amesbury city, MA
- Amherst Town city, MA
- Andover CDP, MA
- Arlington CDP, MA
- Athol CDP, MA
- Attleboro city, MA
- Ayer CDP, MA
- Baldwinville CDP, MA
- Barnstable Town city, MA
- Barre CDP, MA
- Belchertown CDP, MA
- Bellingham CDP, MA
- Belmont CDP, MA
- Beverly city, MA
- Blandford CDP, MA
- Bliss Corner CDP, MA
- Boston city, Massachusetts
- Bourne CDP, MA
- Boxford CDP, MA
- Braintree Town city, MA
- Brewster CDP, MA
- Bridgewater Town city, MA
- Brockton city, MA
- Brookfield CDP, MA
- Brookline CDP, MA
- Burlington CDP, MA
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.