London to Boston Time Converter
Boston is -5h behind London
Quick converter
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FROM
London
United Kingdom
UTC+01:00
TO
Boston
United States
UTC-04:00
Date-aware conversion
Convert a specific date and time
Result
Thu, May 28, 2026 17:05
London: Thursday, May 28, 2026 10:05 PM GMT+1 to Boston: Thursday, May 28, 2026 5:05 PM EDT.
Boston is 5h behind London on this date
24-Hour Comparison
Every hour in London and the corresponding time in Boston. Green rows indicate business hours in Boston.
Time zones
London uses Europe/London (GMT+1) and Boston uses America/New_York (EDT). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in Boston. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for London and Boston
The easiest overlap starts around 2:00 PM and runs through 5:00 PM in the source city, while the destination city is also inside normal working hours. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
Compare meeting hoursQuick examples
City context
About these cities
About London
London is located in United Kingdom (Europe). It uses the Europe/London timezone with a standard offset of UTC+01:00. It observes DST, switching between GMT and BST. See the full London time page for live clock and planning details.
About Boston
Boston is located in United States (North America). It uses the America/New_York timezone with a standard offset of UTC-04:00. It observes DST, switching between EST and EDT. See the full Boston time page for live clock and planning details.
Frequently Asked Questions
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