Porto to Rio do Sul: time difference
Rio do Sul is 3 h behind Porto. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Porto 11:20 11:20 AM Rio do Sul 08:20 8:20 AM You –:–
11:20 11:20 AM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
08:20 8:20 AM
Brasilia Standard Time · UTC-3
☀️ 05:25 · 🌙 18:41
·
−3 h
Rio do Sul is 3 h behind Porto.
When you, Porto and Rio do Sul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Porto
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇧🇷 Rio do Sul
21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Porto | 🇧🇷 Rio do Sul |
|---|---|---|
| Local time | 11:20 | 08:20 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Western European Standard Time | Brasilia Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Porto | — | −3 h |
| IANA zone | Europe/Lisbon | America/Sao Paulo |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:12 | 05:25 |
| Sunset | 17:26 | 18:41 |
| Daylight | 10 h 14 min | 13 h 16 min |
| People on this clock | 231,828 | 72,587 |
Compare Porto with another city
More comparisons with Porto: the time zones next to it and the far side of the clock.
Big time differences
Porto and Rio do Sul: common questions
What is the time difference between Porto and Rio do Sul?
Rio do Sul is 3 hours behind: it uses UTC−3, while Porto is on UTC+0.
What time is it in Rio do Sul at the start of the working day in Porto?
The working day in Porto starts at 9:00 AM; in Rio do Sul it is 6:00 AM at that moment.
If it is 6:00 PM in Porto, what time is it in Rio do Sul?
At 6:00 PM in Porto, clocks in Rio do Sul show 3:00 PM.
When is a good time to call Rio do Sul from Porto?
Between 12:00 PM and 6:00 PM in Porto – that is 9:00 AM to 3:00 PM in Rio do Sul – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Rio do Sul?
Until 3:00 AM in Porto it is still the previous day in Rio do Sul. The other way round, from 9:00 PM in Rio do Sul it is already the next day in Porto.
Is the time difference between Porto and Rio do Sul the same all year?
No. Only Porto switches to summer time, so the gap changes twice a year. From March 28, 2027, Rio do Sul will be 4 hours behind Porto.
