Casablanca to Niteroi: time difference
Niteroi 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 09:36 9:36 AM Niteroi 05:36 5:36 AM You –:–
09:36 9:36 AM
GMT+01:00 · UTC+1
☀️ 07:32 · 🌙 19:05
05:36 5:36 AM
Brasilia Standard Time · UTC-3
☀️ 05:25 · 🌙 17:55
·
−4 h
Niteroi is 4 h behind Casablanca.
When you, Casablanca and Niteroi 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
🇧🇷 Niteroi
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 | 🇧🇷 Niteroi |
|---|---|---|
| Local time | 09:36 | 05:36 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 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 | 07:32 | 05:25 |
| Sunset | 19:05 | 17:55 |
| Daylight | 11 h 33 min | 12 h 30 min |
| People on this clock | 3,215,935 | 481,749 |
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 Niteroi: common questions
What is the time difference between Casablanca and Niteroi?
Niteroi is 3 hours behind: it uses UTC−3, while Casablanca is on UTC+0.
If it is 9:00 AM in Casablanca, what time is it in Niteroi?
At 9:00 AM in Casablanca, clocks in Niteroi show 6:00 AM.
If it is 6:00 PM in Casablanca, what time is it in Niteroi?
At 6:00 PM in Casablanca, clocks in Niteroi show 3:00 PM.
Is there a time when both Casablanca and Niteroi are at work?
Yes: from 12:00 PM to 6:00 PM in Casablanca (9:00 AM to 3:00 PM in Niteroi), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Niteroi?
Until 3:00 AM in Casablanca it is still the previous day in Niteroi. The other way round, from 9:00 PM in Niteroi it is already the next day in Casablanca.
Is the time difference between Casablanca and Niteroi the same all year?
Yes. Neither Casablanca nor Niteroi switches to summer time, so the gap is always 3 hours.
