Viana do Castelo to Rio de Janeiro time converter

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

Viana do Castelo WEST

Wednesday, October 21, 2026

Rio de Janeiro BRT

Wednesday, October 21, 2026

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

Viana do Castelo to Rio de Janeiro conversion table

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

Viana do CasteloRio 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 Viana do Castelo (9:00 AM – 2:00 PM in Rio de Janeiro).

Daylight saving time and the difference

The difference changes during the year because Viana do Castelo 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

Viana do Castelo and Rio de Janeiro are 8,006 km (4,975 miles) apart in a straight line.

More conversions

Rio de Janeiro to Viana do CasteloViana do Castelo to New YorkViana do Castelo to LondonViana do Castelo to Los AngelesViana do Castelo to ChicagoViana do Castelo to TorontoViana do Castelo to São PauloViana do Castelo to ParisViana do Castelo to BerlinViana do Castelo to MoscowViana do Castelo to DubaiViana do Castelo to New DelhiViana do Castelo 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 Viana do Castelo and Rio de Janeiro?

Rio de Janeiro is 4 hours behind Viana do Castelo.

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

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

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

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

Does the time difference between Viana do Castelo 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.