London to Dorchester time converter

Dorchester is 5 hours behind London. When it is 9:00 AM in London, it is 4:00 AM in Dorchester.

London BST

Tuesday, October 20, 2026

Dorchester EDT

Tuesday, October 20, 2026

London
United Kingdom
Tue, Oct 20
BSTUTC+1
Dorchester
Massachusetts, United States
Tue, Oct 20
EDTUTC-4-5h
Finding your time zone…
Shared working hours (9:00–18:00)

London to Dorchester conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -5h
  • Oct 25, 2026 – Nov 1, 2026: -4h
  • Nov 1, 2026 – Mar 14, 2027: -5h
  • Mar 14, 2027 – Mar 28, 2027: -4h
  • Mar 28, 2027 – Oct 20, 2027: -5h

Distance

London and Dorchester are 5,269 km (3,274 miles) apart in a straight line.

More conversions

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New York to DorchesterLos Angeles to DorchesterChicago to DorchesterToronto to DorchesterSão Paulo to DorchesterParis to DorchesterBerlin to DorchesterMoscow to DorchesterDubai to DorchesterNew Delhi to DorchesterBangkok to DorchesterSingapore to Dorchester

Questions and answers

What is the time difference between London and Dorchester?

Dorchester is 5 hours behind London.

What time is it in Dorchester when it is 9 AM in London?

When it is 9:00 AM in London, it is 4:00 AM in Dorchester.

When is the best time to call Dorchester from London?

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

Does the time difference between London and Dorchester change?

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