Rio de Janeiro to Casablanca: time difference
Casablanca is 4 h ahead of Rio de Janeiro. 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 de Janeiro 22:48 10:48 PM Casablanca 02:48 2:48 AM You –:–
22:48 10:48 PM
Brasilia Standard Time · UTC-3
☀️ 05:27 · 🌙 17:55
02:48 2:48 AM
GMT+01:00 · UTC+1
☀️ 07:32 · 🌙 19:05
·
+4 h
Casablanca is 4 h ahead of Rio de Janeiro.
When you, Rio de Janeiro 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 de Janeiro
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 de Janeiro | 🇲🇦 Casablanca |
|---|---|---|
| Local time | 22:48 | 02:48 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Brasilia Standard Time | GMT+01:00 |
| UTC offset | UTC-3 | UTC+1 |
| Offset from Rio de Janeiro | — | +4 h |
| IANA zone | America/Sao Paulo | Africa/Casablanca |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:27 | 07:32 |
| Sunset | 17:55 | 19:05 |
| Daylight | 12 h 28 min | 11 h 33 min |
| People on this clock | 6,211,223 | 3,215,935 |
Compare Rio de Janeiro with another city
More comparisons with Rio de Janeiro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio de Janeiro and Casablanca: common questions
How far ahead of Rio de Janeiro is Casablanca?
Casablanca is 3 hours ahead of Rio de Janeiro: UTC+0 against UTC−3.
What time is it in Casablanca at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in Casablanca it is 12:00 PM at that moment.
What time is it in Casablanca at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Casablanca it is 9:00 PM at that moment.
When is a good time to call Casablanca from Rio de Janeiro?
Between 9:00 AM and 3:00 PM in Rio de Janeiro – that is 12:00 PM to 6:00 PM in Casablanca – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Casablanca compared with Rio de Janeiro?
The new day starts in Casablanca earlier: at 9:00 PM in Rio de Janeiro it is already midnight there. Until 3:00 AM in Casablanca, Rio de Janeiro is still on the previous day.
Does the time gap between Rio de Janeiro and Casablanca change during the year?
No, the clocks change neither in Rio de Janeiro nor in Casablanca, so the gap is 3 hours all year round.
