London to Portsmouth Heights time converter

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

London BST

Thursday, October 22, 2026

Portsmouth Heights EDT

Wednesday, October 21, 2026

London
United Kingdom
Thu, Oct 22
BSTUTC+1
Portsmouth Heights
Virginia, United States
Wed, Oct 21
EDTUTC-4-5h
Finding your time zone…
Shared working hours (9:00–18:00)

London to Portsmouth Heights conversion table

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

LondonPortsmouth Heights
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 Portsmouth Heights).

Daylight saving time and the difference

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

  • Oct 22, 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 22, 2027: -5h

Distance

London and Portsmouth Heights are 6,006 km (3,732 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between London and Portsmouth Heights?

Portsmouth Heights is 5 hours behind London.

What time is it in Portsmouth Heights when it is 9 AM in London?

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

When is the best time to call Portsmouth Heights from London?

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

Does the time difference between London and Portsmouth Heights change?

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