Casablanca to Rio Claro: time difference
Rio Claro 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 18:45 6:45 PM Rio Claro 14:45 2:45 PM You –:–
18:45 6:45 PM
GMT+01:00 · UTC+1
☀️ 07:38 · 🌙 18:55
14:45 2:45 PM
Brasilia Standard Time · UTC-3
☀️ 05:36 · 🌙 18:16
·
−4 h
Rio Claro is 4 h behind Casablanca.
When you, Casablanca and Rio Claro 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 Claro
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 Claro |
|---|---|---|
| Local time | 18:45 | 14:45 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 07:38 | 05:36 |
| Sunset | 18:55 | 18:16 |
| Daylight | 11 h 17 min | 12 h 39 min |
| People on this clock | 3,215,935 | 201,418 |
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 Claro: common questions
What is the time difference between Casablanca and Rio Claro?
Rio Claro is 3 hours behind: it uses UTC−3, while Casablanca is on UTC+0.
What time is it in Rio Claro when it is 9:00 AM in Casablanca?
When it is 9:00 AM in Casablanca, it is 6:00 AM in Rio Claro.
What time is it in Rio Claro at the end of the working day in Casablanca?
The working day in Casablanca ends at 6:00 PM; in Rio Claro it is 3:00 PM at that moment.
Is there a time when both Casablanca and Rio Claro are at work?
Yes: from 12:00 PM to 6:00 PM in Casablanca (9:00 AM to 3:00 PM in Rio Claro), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Casablanca is it still yesterday in Rio Claro?
Before 3:00 AM in Casablanca, the date in Rio Claro has not changed yet. From 9:00 PM in Rio Claro, it is already the next day in Casablanca.
Does the time difference between Casablanca and Rio Claro change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
