London to Pennsylvania time converter

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

London BST

Tuesday, October 20, 2026

Pennsylvania EDT

Tuesday, October 20, 2026

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

London to Pennsylvania conversion table

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

LondonPennsylvania
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 Pennsylvania).

Daylight saving time and the difference

The difference changes during the year because London and Pennsylvania 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

More conversions

Pennsylvania to LondonLondon to New YorkLondon to Los AngelesLondon to ChicagoLondon to TorontoLondon to São PauloLondon to ParisLondon to BerlinLondon to MoscowLondon to DubaiLondon to New DelhiLondon to BangkokLondon to Singapore
New York to PennsylvaniaLos Angeles to PennsylvaniaChicago to PennsylvaniaToronto to PennsylvaniaSão Paulo to PennsylvaniaParis to PennsylvaniaBerlin to PennsylvaniaMoscow to PennsylvaniaDubai to PennsylvaniaNew Delhi to PennsylvaniaBangkok to PennsylvaniaSingapore to Pennsylvania

Questions and answers

What is the time difference between London and Pennsylvania?

Pennsylvania is 5 hours behind London.

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

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

When is the best time to call Pennsylvania from London?

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

Does the time difference between London and Pennsylvania change?

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