Montreal to Teresina: time difference
Teresina is 1 h ahead of Montreal. 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.
Montreal 04:37 4:37 AM Teresina 05:37 5:37 AM You –:–
04:37 4:37 AM
Eastern Daylight Time · UTC-4
☀️ 07:04 · 🌙 18:19
05:37 5:37 AM
Brasilia Standard Time · UTC-3
☀️ 05:33 · 🌙 17:45
·
+1 h
Teresina is 1 h ahead of Montreal.
When you, Montreal 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
🇨🇦 Montreal
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
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 Montreal | 🇧🇷 Teresina |
|---|---|---|
| Local time | 04:37 | 05:37 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Montreal | — | +1 h |
| IANA zone | America/Toronto | America/Fortaleza |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:04 | 05:33 |
| Sunset | 18:19 | 17:45 |
| Daylight | 11 h 15 min | 12 h 11 min |
| People on this clock | 1,762,949 | 866,300 |
Compare Montreal with another city
More comparisons with Montreal: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Montreal and Teresina: common questions
How many hours ahead of Montreal is Teresina?
The clocks in Teresina are 1 hour ahead of those in Montreal (UTC−3 and UTC−4).
What time is it in Teresina when it is 9:00 AM in Montreal?
When it is 9:00 AM in Montreal, it is 10:00 AM in Teresina.
What time is it in Teresina when it is 6:00 PM in Montreal?
When it is 6:00 PM in Montreal, it is 7:00 PM in Teresina.
When do working hours in Montreal and in Teresina overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Montreal, which is 10:00 AM to 6:00 PM in Teresina.
When does the date change in Teresina compared with Montreal?
The new day starts in Teresina earlier: at 11:00 PM in Montreal it is already midnight there. Until 1:00 AM in Teresina, Montreal is still on the previous day.
Does the time difference between Montreal and Teresina change?
Yes. The clocks change only in Montreal. From November 1, 2026, Teresina will be 2 hours ahead of Montreal.
