Boston ↔ London time converter
London is 5 hours ahead of Boston.
Type a time in either city — 4pm, 4:30 PM and 16:00 all work — or pick one from the ▾ menu, and the other city updates instantly. The clocks load showing the current time in Boston, United States and London, United Kingdom.
Boston
United States
America/New_York
London
United Kingdom
Europe/London
Business-hours overlap
Working day (9:00–17:00) in each city, drawn on Boston's clock.
Boston 9–17
London 9–17
Overlap
Zone details
- Boston
- America/New_York
- London
- Europe/London
- Offset
- —
- DST
- Both Boston and London observe daylight saving time, so the gap between them can shift for a few weeks around the spring and autumn transitions.
For example, 4:00 PM in Boston is 9:00 PM in London, while 4:00 PM in London is 11:00 AM in Boston.