Castelo Branco to Rio de Janeiro time converter

Rio de Janeiro is 4 hours behind Castelo Branco. When it is 9:00 AM in Castelo Branco, it is 5:00 AM in Rio de Janeiro.

Castelo Branco WEST

Wednesday, October 21, 2026

Rio de Janeiro BRT

Tuesday, October 20, 2026

Castelo Branco
Portugal
Wed, Oct 21
WESTUTC+1
Rio de Janeiro
Brazil
Tue, Oct 20
BRTUTC-3-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Castelo Branco to Rio de Janeiro conversion table

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

Castelo BrancoRio de Janeiro
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 Castelo Branco (9:00 AM – 2:00 PM in Rio de Janeiro).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 25, 2026: -4h
  • Oct 25, 2026 – Mar 28, 2027: -3h
  • Mar 28, 2027 – Oct 21, 2027: -4h

Distance

Castelo Branco and Rio de Janeiro are 7,897 km (4,907 miles) apart in a straight line.

More conversions

Rio de Janeiro to Castelo BrancoCastelo Branco to New YorkCastelo Branco to LondonCastelo Branco to Los AngelesCastelo Branco to ChicagoCastelo Branco to TorontoCastelo Branco to São PauloCastelo Branco to ParisCastelo Branco to BerlinCastelo Branco to MoscowCastelo Branco to DubaiCastelo Branco to New DelhiCastelo Branco to Bangkok
New York to Rio de JaneiroLondon to Rio de JaneiroLos Angeles to Rio de JaneiroChicago to Rio de JaneiroToronto to Rio de JaneiroSão Paulo to Rio de JaneiroParis to Rio de JaneiroBerlin to Rio de JaneiroMoscow to Rio de JaneiroDubai to Rio de JaneiroNew Delhi to Rio de JaneiroBangkok to Rio de Janeiro

Questions and answers

What is the time difference between Castelo Branco and Rio de Janeiro?

Rio de Janeiro is 4 hours behind Castelo Branco.

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

When it is 9:00 AM in Castelo Branco, it is 5:00 AM in Rio de Janeiro.

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

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

Does the time difference between Castelo Branco and Rio de Janeiro change?

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