Teresina to Montreal: time difference
Montreal is 1 h behind Teresina. 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.
Teresina 00:33 12:33 AM Montreal 23:33 11:33 PM You –:–
00:33 12:33 AM
Brasilia Standard Time · UTC-3
☀️ 05:33 · 🌙 17:45
23:33 11:33 PM
Eastern Daylight Time · UTC-4
☀️ 07:03 · 🌙 18:21
·
−1 h
Montreal is 1 h behind Teresina.
When you, Teresina and Montreal are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Teresina
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
🇨🇦 Montreal
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 20 8 PM 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Teresina | 🇨🇦 Montreal |
|---|---|---|
| Local time | 00:33 | 23:33 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Brasilia Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Teresina | — | −1 h |
| IANA zone | America/Fortaleza | America/Toronto |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:33 | 07:03 |
| Sunset | 17:45 | 18:21 |
| Daylight | 12 h 11 min | 11 h 18 min |
| People on this clock | 866,300 | 1,762,949 |
Compare Teresina with another city
More comparisons with Teresina: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Teresina and Montreal: common questions
How many hours behind Teresina is Montreal?
The clocks in Montreal are 1 hour behind those in Teresina (UTC−4 and UTC−3).
What time is it in Montreal when it is 9:00 AM in Teresina?
When it is 9:00 AM in Teresina, it is 8:00 AM in Montreal.
If it is 6:00 PM in Teresina, what time is it in Montreal?
At 6:00 PM in Teresina, clocks in Montreal show 5:00 PM.
Is there a time when both Teresina and Montreal are at work?
Yes: from 10:00 AM to 6:00 PM in Teresina (9:00 AM to 5:00 PM in Montreal), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Teresina is it still yesterday in Montreal?
Before 1:00 AM in Teresina, the date in Montreal has not changed yet. From 11:00 PM in Montreal, it is already the next day in Teresina.
Does the time difference between Teresina and Montreal change?
Yes. The clocks change only in Montreal. From November 1, 2026, Montreal will be 2 hours behind Teresina.
