Porto to Rio do Sul time converter

Rio do Sul is 4 hours behind Porto. When it is 9:00 AM in Porto, it is 5:00 AM in Rio do Sul.

Porto WEST

Wednesday, October 21, 2026

Rio do Sul BRT

Tuesday, October 20, 2026

Portugal
Wed, Oct 21
WESTUTC+1
Santa Catarina, Brazil
Tue, Oct 20
BRTUTC-3-4h
Finding your time zone…

2:40 AM in Porto, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

Porto to Rio do Sul conversion table

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

PortoRio do Sul
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 Porto (9:00 AM – 2:00 PM in Rio do Sul).

Daylight saving time and the difference

The difference changes during the year because Porto and Rio do Sul 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

Porto and Rio do Sul are 8,697 km (5,404 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Porto and Rio do Sul?

Rio do Sul is 4 hours behind Porto.

What time is it in Rio do Sul when it is 9 AM in Porto?

When it is 9:00 AM in Porto, it is 5:00 AM in Rio do Sul.

When is the best time to call Rio do Sul from Porto?

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

Does the time difference between Porto and Rio do Sul change?

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