Rio de Janeiro to Caerphilly time converter

Caerphilly is 4 hours ahead of Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 1:00 PM in Caerphilly.

Rio de Janeiro BRT

Tuesday, October 20, 2026

Caerphilly BST

Tuesday, October 20, 2026

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

Rio de Janeiro to Caerphilly conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Rio de Janeiro and Caerphilly switch clocks on different dates:

  • Oct 20, 2026 – Oct 24, 2026: +4h
  • Oct 24, 2026 – Mar 27, 2027: +3h
  • Mar 27, 2027 – Oct 20, 2027: +4h

Distance

Rio de Janeiro and Caerphilly are 9,152 km (5,687 miles) apart in a straight line.

More conversions

Caerphilly to Rio de JaneiroRio de Janeiro to New YorkRio de Janeiro to LondonRio de Janeiro to Los AngelesRio de Janeiro to ChicagoRio de Janeiro to TorontoRio de Janeiro to São PauloRio de Janeiro to ParisRio de Janeiro to BerlinRio de Janeiro to MoscowRio de Janeiro to DubaiRio de Janeiro to New DelhiRio de Janeiro to Bangkok
New York to CaerphillyLondon to CaerphillyLos Angeles to CaerphillyChicago to CaerphillyToronto to CaerphillySão Paulo to CaerphillyParis to CaerphillyBerlin to CaerphillyMoscow to CaerphillyDubai to CaerphillyNew Delhi to CaerphillyBangkok to Caerphilly

Questions and answers

What is the time difference between Rio de Janeiro and Caerphilly?

Caerphilly is 4 hours ahead of Rio de Janeiro.

What time is it in Caerphilly when it is 9 AM in Rio de Janeiro?

When it is 9:00 AM in Rio de Janeiro, it is 1:00 PM in Caerphilly.

When is the best time to call Caerphilly from Rio de Janeiro?

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

Does the time difference between Rio de Janeiro and Caerphilly change?

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