Rio Grande to Casablanca: time difference
Casablanca is 4 h ahead of Rio Grande. 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.
Rio Grande 16:16 4:16 PM Casablanca 20:16 8:16 PM You –:–
16:16 4:16 PM
Brasilia Standard Time · UTC-3
☀️ 05:44 · 🌙 18:44
20:16 8:16 PM
GMT+01:00 · UTC+1
☀️ 07:40 · 🌙 18:52
·
+4 h
Casablanca is 4 h ahead of Rio Grande.
When you, Rio Grande and Casablanca are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Rio Grande
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
🇲🇦 Casablanca
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio Grande | 🇲🇦 Casablanca |
|---|---|---|
| Local time | 16:16 | 20:16 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Brasilia Standard Time | GMT+01:00 |
| UTC offset | UTC-3 | UTC+1 |
| Offset from Rio Grande | — | +4 h |
| IANA zone | America/Sao Paulo | Africa/Casablanca |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:44 | 07:40 |
| Sunset | 18:44 | 18:52 |
| Daylight | 13 h | 11 h 13 min |
| People on this clock | 198,935 | 3,215,935 |
Compare Rio Grande with another city
More comparisons with Rio Grande: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio Grande and Casablanca: common questions
What is the time difference between Rio Grande and Casablanca?
Casablanca is 3 hours ahead: it uses UTC+0, while Rio Grande is on UTC−3.
If it is 9:00 AM in Rio Grande, what time is it in Casablanca?
At 9:00 AM in Rio Grande, clocks in Casablanca show 12:00 PM.
What time is it in Casablanca when it is 6:00 PM in Rio Grande?
When it is 6:00 PM in Rio Grande, it is 9:00 PM in Casablanca.
When do working hours in Rio Grande and in Casablanca overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Rio Grande, which is 12:00 PM to 6:00 PM in Casablanca.
When is it already the next day in Casablanca?
From 9:00 PM in Rio Grande it is already the next day in Casablanca. The other way round, until 3:00 AM in Casablanca it is still the previous day in Rio Grande.
Is the time difference between Rio Grande and Casablanca the same all year?
Yes. Neither Rio Grande nor Casablanca switches to summer time, so the gap is always 3 hours.
