Current local time in South BostonMassachusetts, United States
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America/New_YorkUTC−5 / UTC−4
South Boston keeps Eastern Standard Time (EST, UTC−5) in winter and Eastern Daylight Time (EDT, UTC−4) in summer. Its IANA time zone is America/New_York.
Daylight saving time in South Boston
South Boston changes its clocks twice a year. The next changes, from the IANA time zone database as of October 2026:
- Sun, Nov 1, 2026: clocks go back 1 hour to UTC−5
- Sun, Mar 14, 2027: clocks go forward 1 hour to UTC−4
Cities on the same time as South Boston
These places show the same clock as South Boston every day of the coming year, clock changes included.
- In United States
New York City, Brooklyn, Queens, Philadelphia, Manhattan, The Bronx, Jacksonville, Columbus
- In other countries
Toronto (Canada), Havana (Cuba), Port-au-Prince (Haiti), Nassau (Bahamas), Providenciales (Turks and Caicos Islands)
South Boston time zone at a glance
- IANA time zone
- America/New_York
- UTC offset
- UTC−5 / UTC−4
- Daylight saving
- Observed
- Next clock change
- Sun, Nov 1, 2026 → UTC−5
- Country
- United States
- Region
- Massachusetts
- Coordinates
- 42.33°, -71.05°
- Population
- 571,281
- Local date
- —
Sunrise and sunset in South Boston today
Computed from South Boston'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
- —
- Sunset
- —
- Solar noon
- —
- Day length
- —
- Civil dawn
- —
- Civil dusk
- —
- Golden hour ends
- —
- Golden hour begins
- —
South Boston time difference from major cities
| City | Local time now | South Boston is |
|---|---|---|
| LondonUnited Kingdom | — | 5h behind |
| DubaiUnited Arab Emirates | — | 8h behind |
| SingaporeSingapore | — | 12h behind |
| TokyoJapan | — | 13h behind |
| SydneyAustralia | — | 15h behind |
Need a different pair? Compare any two cities or convert a specific time.
South Boston time: questions and answers
- What time is it in South Boston right now?
- The clock at the top of this page shows the live local time in South Boston, updated every second from your device's clock. South Boston keeps Eastern Standard Time (EST, UTC−5) in winter and Eastern Daylight Time (EDT, UTC−4) in summer.
- What time zone is South Boston in?
- South Boston is in the IANA time zone America/New_York: Eastern Standard Time (EST, UTC−5) in winter and Eastern Daylight Time (EDT, UTC−4) in summer.
- Does South Boston observe daylight saving time?
- Yes. Upcoming changes: Sun, Nov 1, 2026: clocks go back 1 hour to UTC−5; Sun, Mar 14, 2027: clocks go forward 1 hour to UTC−4.
- Which cities share South Boston's time?
- New York City, Brooklyn, Queens, Philadelphia, Manhattan, The Bronx keep the same clock as South Boston all year.
Planning something with South Boston?
- Find a meeting time — the hours that overlap between South Boston and your team.
- Convert a time — turn a time in South Boston into yours, or the other way round.
- Compare office hours — when South Boston offices and yours are both open.
- Send a calendar invite — with the America/New_York time zone set correctly.
Other cities in United States
Boston, The Bronx, Queens, Manhattan, Brooklyn, New York City, Philadelphia, Baltimore, Washington, Detroit