Casablanca to Rio do Sul: time difference
Rio do Sul is 4 h behind Casablanca. 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.
Casablanca 23:36 11:36 PM Rio do Sul 19:36 7:36 PM You –:–
23:36 11:36 PM
GMT+01:00 · UTC+1
☀️ 07:40 · 🌙 18:51
19:36 7:36 PM
Brasilia Standard Time · UTC-3
☀️ 05:38 · 🌙 18:30
·
−4 h
Rio do Sul is 4 h behind Casablanca.
When you, Casablanca 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
🇲🇦 Casablanca
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
20 8 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇲🇦 Casablanca | 🇧🇷 Rio do Sul |
|---|---|---|
| Local time | 23:36 | 19:36 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | GMT+01:00 | Brasilia Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Casablanca | — | −4 h |
| IANA zone | Africa/Casablanca | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:40 | 05:38 |
| Sunset | 18:51 | 18:30 |
| Daylight | 11 h 11 min | 12 h 52 min |
| People on this clock | 3,215,935 | 72,587 |
Compare Casablanca with another city
More comparisons with Casablanca: the time zones next to it and the far side of the clock.
Big time differences
Casablanca and Rio do Sul: common questions
How many hours behind Casablanca is Rio do Sul?
The clocks in Rio do Sul are 3 hours behind those in Casablanca (UTC−3 and UTC+0).
If it is 9:00 AM in Casablanca, what time is it in Rio do Sul?
At 9:00 AM in Casablanca, clocks in Rio do Sul show 6:00 AM.
If it is 6:00 PM in Casablanca, what time is it in Rio do Sul?
At 6:00 PM in Casablanca, clocks in Rio do Sul show 3:00 PM.
When is a good time to call Rio do Sul from Casablanca?
Between 12:00 PM and 6:00 PM in Casablanca – 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).
Until what time in Casablanca is it still yesterday in Rio do Sul?
Before 3:00 AM in Casablanca, the date in Rio do Sul has not changed yet. From 9:00 PM in Rio do Sul, it is already the next day in Casablanca.
Does the time difference between Casablanca and Rio do Sul change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
