Boston time zone
Eastern Time (ET) — UTC−5 in winter (EST), UTC−4 in summer (EDT).
Boston, on the northeastern US coast, keeps Eastern Time and is often the first major American city to open for business each morning. The live clock above shows the exact current time in Boston, including daylight saving.
- Boston is in the same time zone as New York and Atlanta
- Boston switches to daylight saving (EDT) from March to November
- Boston is only 5 hours behind London for most of the year, the narrowest US–UK gap outside Atlantic Canada
Frequently Asked Questions
What time zone is Boston in?
Boston uses Eastern Time (ET): UTC−5 in winter (EST) and UTC−4 in summer (EDT).
What is the time difference between Boston and London?
Boston is 5 hours behind London most of the year; the gap briefly narrows to 4 hours in the short window between the US and UK daylight saving changeovers.
Time in other cities
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Compare several cities side by side with the world clock.