London to South River time converter

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

London BST

Wednesday, October 21, 2026

South River EDT

Tuesday, October 20, 2026

London
United Kingdom
Wed, Oct 21
BSTUTC+1
South River
New Jersey, United States
Tue, Oct 20
EDTUTC-4-5h
Finding your time zone…
Shared working hours (9:00–18:00)

London to South River conversion table

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

LondonSouth River
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 South River).

Daylight saving time and the difference

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

  • Oct 21, 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 21, 2027: -5h

Distance

London and South River are 5,614 km (3,488 miles) apart in a straight line.

More conversions

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New York to South RiverLos Angeles to South RiverChicago to South RiverToronto to South RiverSão Paulo to South RiverParis to South RiverBerlin to South RiverMoscow to South RiverDubai to South RiverNew Delhi to South RiverBangkok to South RiverSingapore to South River

Questions and answers

What is the time difference between London and South River?

South River is 5 hours behind London.

What time is it in South River when it is 9 AM in London?

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

When is the best time to call South River from London?

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

Does the time difference between London and South River change?

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