London to Rio Negro time converter

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

London BST

Tuesday, October 20, 2026

Rio Negro BRT

Tuesday, October 20, 2026

London
United Kingdom
Tue, Oct 20
BSTUTC+1
Rio Negro
Paraná, Brazil
Tue, Oct 20
BRTUTC-3-4h
Finding your time zone…
Shared working hours (9:00–18:00)

London to Rio Negro conversion table

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

LondonRio Negro
12:00 AM8:00 PM−1 day
1:00 AM9:00 PM−1 day
2:00 AM10:00 PM−1 day
3:00 AM11:00 PM−1 day
4:00 AM12:00 AM
5:00 AM1:00 AM
6:00 AM2:00 AM
7:00 AM3:00 AM
8:00 AM4:00 AM
9:00 AM5:00 AM
10:00 AM6:00 AM
11:00 AM7:00 AM
12:00 PM8:00 AM
1:00 PM9:00 AM
2:00 PM10:00 AM
3:00 PM11:00 AM
4:00 PM12:00 PM
5:00 PM1:00 PM
6:00 PM2:00 PM
7:00 PM3:00 PM
8:00 PM4:00 PM
9:00 PM5:00 PM
10:00 PM6:00 PM
11:00 PM7:00 PM

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -4h
  • Oct 25, 2026 – Mar 28, 2027: -3h
  • Mar 28, 2027 – Oct 20, 2027: -4h

Distance

London and Rio Negro are 9,897 km (6,150 miles) apart in a straight line.

More conversions

Rio Negro 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 Rio NegroLos Angeles to Rio NegroChicago to Rio NegroToronto to Rio NegroSão Paulo to Rio NegroParis to Rio NegroBerlin to Rio NegroMoscow to Rio NegroDubai to Rio NegroNew Delhi to Rio NegroBangkok to Rio NegroSingapore to Rio Negro

Questions and answers

What is the time difference between London and Rio Negro?

Rio Negro is 4 hours behind London.

What time is it in Rio Negro when it is 9 AM in London?

When it is 9:00 AM in London, it is 5:00 AM in Rio Negro.

When is the best time to call Rio Negro from London?

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

Does the time difference between London and Rio Negro change?

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