London to New Castle time converter

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

London BST

Tuesday, October 20, 2026

New Castle EDT

Tuesday, October 20, 2026

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

London to New Castle conversion table

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

LondonNew Castle
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 New Castle).

Daylight saving time and the difference

The difference changes during the year because London and New Castle 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 New Castle are 5,961 km (3,704 miles) apart in a straight line.

More conversions

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New York to New CastleLos Angeles to New CastleChicago to New CastleToronto to New CastleSão Paulo to New CastleParis to New CastleBerlin to New CastleMoscow to New CastleDubai to New CastleNew Delhi to New CastleBangkok to New CastleSingapore to New Castle

Questions and answers

What is the time difference between London and New Castle?

New Castle is 5 hours behind London.

What time is it in New Castle when it is 9 AM in London?

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

When is the best time to call New Castle from London?

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

Does the time difference between London and New Castle change?

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