Casablanca to Teresina: time difference
Teresina 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 07:37 7:37 AM Teresina 03:37 3:37 AM You –:–
07:37 7:37 AM
GMT+01:00 · UTC+1
☀️ 07:32 · 🌙 19:05
03:37 3:37 AM
Brasilia Standard Time · UTC-3
☀️ 05:33 · 🌙 17:45
·
−4 h
Teresina is 4 h behind Casablanca.
When you, Casablanca and Teresina 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
🇧🇷 Teresina
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 | 🇧🇷 Teresina |
|---|---|---|
| Local time | 07:37 | 03:37 |
| 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/Fortaleza |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:32 | 05:33 |
| Sunset | 19:05 | 17:45 |
| Daylight | 11 h 33 min | 12 h 11 min |
| People on this clock | 3,215,935 | 866,300 |
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 Teresina: common questions
What is the time difference between Casablanca and Teresina?
Teresina is 3 hours behind: it uses UTC−3, while Casablanca is on UTC+0.
What time is it in Teresina when it is 9:00 AM in Casablanca?
When it is 9:00 AM in Casablanca, it is 6:00 AM in Teresina.
If it is 6:00 PM in Casablanca, what time is it in Teresina?
At 6:00 PM in Casablanca, clocks in Teresina show 3:00 PM.
Is there a time when both Casablanca and Teresina are at work?
Yes: from 12:00 PM to 6:00 PM in Casablanca (9:00 AM to 3:00 PM in Teresina), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Casablanca is it still yesterday in Teresina?
Before 3:00 AM in Casablanca, the date in Teresina has not changed yet. From 9:00 PM in Teresina, it is already the next day in Casablanca.
Does the time gap between Casablanca and Teresina change during the year?
No, the clocks change neither in Casablanca nor in Teresina, so the gap is 3 hours all year round.
