London to Cornwall time converter

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

London BST

Sunday, October 18, 2026

Cornwall EDT

Saturday, October 17, 2026

United Kingdom
Sun, Oct 18
BSTUTC+1
Ontario, Canada
Sat, Oct 17
EDTUTC-4-5h
Finding your time zone…

12:19 AM in London, Sunday, October 18, 2026

Shared working hours (9:00–18:00)

London to Cornwall conversion table

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

LondonCornwall
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 Cornwall).

Daylight saving time and the difference

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

  • Oct 18, 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 18, 2027: -5h

Distance

London and Cornwall are 5,326 km (3,309 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between London and Cornwall?

Cornwall is 5 hours behind London.

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

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

When is the best time to call Cornwall from London?

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

Does the time difference between London and Cornwall change?

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