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Time.is

Time in South Boston, Massachusetts, United States now

05:38:15

Saturday 23. May 2026, week 21

International Day to End Obstetric Fistula / World Synth Day

Sun: ↑ 05:15 ↓ 20:07 (14h 51m) - More info - Make South Boston time default - Add to favorite locations

Time zone info for South Boston

UTC -4

Eastern Time (ET)
always same time as New York

From 1 November 2026: UTC -5 / Eastern Standard Time (EST)
The IANA time zone identifier for South Boston is America/New_York.

Sunday March 8 2026

Latest change: Summer time started

Switched to UTC -4 / Eastern Daylight Time (EDT).
The time was set forward one hour from 02:00 to 03:00 local time.

Sunday November 1 2026

Next change: Winter time starts

Switching to UTC -5 / Eastern Standard Time (EST).
The time will be set back one hour from 02:00 to 01:00 local time.

Time difference
from South Boston

Los Angeles	−3 hours	−3 hours
Chicago	−1 hours	−1 hours
New York	0
Toronto	0
São Paulo	+1 hours
UTC	+4 hours
Lagos	+5 hours
London	+5 hours
Johannesburg	+6 hours
Paris	+6 hours
Zurich	+6 hours
Cairo	+7 hours
Istanbul	+7 hours
Moscow	+7 hours
Dubai	+8 hours
Mumbai	+9.5 hours
Hong Kong	+12 hours
Shanghai	+12 hours
Singapore	+12 hours
Tokyo	+13 hours
Sydney	+14 hours

Compare other time zones

Sunrise, sunset, day length and solar time for South Boston

Sunrise: 05:15
Sunset: 20:07
Day length: 14h 51m
Solar noon: 12:41
The current local time in South Boston is 41 minutes ahead of apparent solar time.

South Boston on the map

Location: Massachusetts, United States
Latitude: 42.33. Longitude: -71.05
Population: 571,000
Elevation: 10 m

Open South Boston in Google Maps