Casablanca to Rio Grande: time difference
Rio Grande 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 21:49 9:49 PM Rio Grande 17:49 5:49 PM You –:–
21:49 9:49 PM
GMT+01:00 · UTC+1
☀️ 07:40 · 🌙 18:52
17:49 5:49 PM
Brasilia Standard Time · UTC-3
☀️ 05:44 · 🌙 18:44
·
−4 h
Rio Grande is 4 h behind Casablanca.
When you, Casablanca and Rio Grande 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 Grande
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 Grande |
|---|---|---|
| Local time | 21:49 | 17:49 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 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 | 05:44 |
| Sunset | 18:52 | 18:44 |
| Daylight | 11 h 13 min | 13 h |
| People on this clock | 3,215,935 | 198,935 |
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 Grande: common questions
What is the time difference between Casablanca and Rio Grande?
Rio Grande is 3 hours behind: it uses UTC−3, while Casablanca is on UTC+0.
What time is it in Rio Grande when it is 9:00 AM in Casablanca?
When it is 9:00 AM in Casablanca, it is 6:00 AM in Rio Grande.
What time is it in Rio Grande at the end of the working day in Casablanca?
The working day in Casablanca ends at 6:00 PM; in Rio Grande it is 3:00 PM at that moment.
When do working hours in Casablanca and in Rio Grande overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Casablanca, which is 9:00 AM to 3:00 PM in Rio Grande.
Until what time in Casablanca is it still yesterday in Rio Grande?
Before 3:00 AM in Casablanca, the date in Rio Grande has not changed yet. From 9:00 PM in Rio Grande, it is already the next day in Casablanca.
Does the time difference between Casablanca and Rio Grande change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
