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Current time in Boston

Boston, MA is on Eastern Time, UTC−5 in winter, UTC−4 in summer. Updated for the 2026 time zone changes and current daylight saving rules.

Boston, MA
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Eastern Time · EST / EDT · UTC−5 in winter, UTC−4 in summer

Boston's time zone

Time zoneEastern Time
CodeEST / EDT
UTC offsetUTC−5 in winter, UTC−4 in summer
Daylight savingYes

Eastern Time. UTC−5 in winter and UTC−4 from the second Sunday in March to the first Sunday in November.

Clock changes, Nov 2026 to Dec 2027

DateChangeNew offset
Mar 14, 2027Clocks go forward 1 hourUTC−4
Nov 7, 2027Clocks go back 1 hourUTC−5

Nearest time zones either side

Earlier · to the westChicago–Chicago is 1 hour behind Boston all year.Central TimeLater · to the eastHalifax–Halifax is 1 hour ahead of Boston all year.Atlantic Time

Work with Boston time

Convert a time to BostonPlan a meeting with Boston

Also on Eastern Time

Thunder BayTorontoOttawaHamiltonLondonMontrealQuebec CityIqaluitDetroitAtlantaMiamiNew YorkWashington

Questions

What time zone is Boston in?

Boston uses Eastern Time (EST / EDT). UTC−5 in winter and UTC−4 from the second Sunday in March to the first Sunday in November.

Does Boston change its clocks?

Yes. Boston changes its clocks twice a year: forward on Mar 14, 2027, back on Nov 7, 2027.

What is the time difference between Boston and Chicago?

Chicago is 1 hour behind Boston all year.

What is the time difference between Boston and Halifax?

Halifax is 1 hour ahead of Boston all year.