Back Bay to London time converter

London is 5 hours ahead of Back Bay. When it is 9:00 AM in Back Bay, it is 2:00 PM in London.

Back Bay EDT

Monday, October 19, 2026

London BST

Monday, October 19, 2026

Massachusetts, United States
Mon, Oct 19
EDTUTC-4
United Kingdom
Mon, Oct 19
BSTUTC+1+5h
Finding your time zone…

4:53 AM in Back Bay, Monday, October 19, 2026

Shared working hours (9:00–18:00)

Back Bay to London conversion table

Every hour of today in Back Bay and the matching time in London. Light rows are typical working hours (9:00–18:00).

Back BayLondon
12:00 AM5:00 AM
1:00 AM6:00 AM
2:00 AM7:00 AM
3:00 AM8:00 AM
4:00 AM9:00 AM
5:00 AM10:00 AM
6:00 AM11:00 AM
7:00 AM12:00 PM
8:00 AM1:00 PM
9:00 AM2:00 PM
10:00 AM3:00 PM
11:00 AM4:00 PM
12:00 PM5:00 PM
1:00 PM6:00 PM
2:00 PM7:00 PM
3:00 PM8:00 PM
4:00 PM9:00 PM
5:00 PM10:00 PM
6:00 PM11:00 PM
7:00 PM12:00 AM+1 day
8:00 PM1:00 AM+1 day
9:00 PM2:00 AM+1 day
10:00 PM3:00 AM+1 day
11:00 PM4:00 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 1:00 PM in Back Bay (2:00 PM – 6:00 PM in London).

Daylight saving time and the difference

The difference changes during the year because Back Bay and London switch clocks on different dates:

  • Oct 19, 2026 – Oct 24, 2026: +5h
  • Oct 24, 2026 – Nov 1, 2026: +4h
  • Nov 1, 2026 – Mar 14, 2027: +5h
  • Mar 14, 2027 – Mar 27, 2027: +4h
  • Mar 27, 2027 – Oct 19, 2027: +5h

Distance

Back Bay and London are 5,267 km (3,273 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Back Bay and London?

London is 5 hours ahead of Back Bay.

What time is it in London when it is 9 AM in Back Bay?

When it is 9:00 AM in Back Bay, it is 2:00 PM in London.

When is the best time to call London from Back Bay?

Both sides are at work from 9:00 AM – 1:00 PM in Back Bay (2:00 PM – 6:00 PM in London).

Does the time difference between Back Bay and London change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.