Guarulhos to Montreal: time difference
Montreal is 1 h behind Guarulhos. 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.
Guarulhos 02:11 2:11 AM Montreal 01:11 1:11 AM You –:–
02:11 2:11 AM
Brasilia Standard Time · UTC-3
☀️ 05:31 · 🌙 18:12
01:11 1:11 AM
Eastern Daylight Time · UTC-4
☀️ 07:15 · 🌙 18:05
·
−1 h
Montreal is 1 h behind Guarulhos.
When you, Guarulhos 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
🇧🇷 Guarulhos
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 | 🇧🇷 Guarulhos | 🇨🇦 Montreal |
|---|---|---|
| Local time | 02:11 | 01:11 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Brasilia Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Guarulhos | — | −1 h |
| IANA zone | America/Sao Paulo | America/Toronto |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:31 | 07:15 |
| Sunset | 18:12 | 18:05 |
| Daylight | 12 h 41 min | 10 h 50 min |
| People on this clock | 1,291,771 | 1,762,949 |
Compare Guarulhos with another city
More comparisons with Guarulhos: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Guarulhos and Montreal: common questions
What is the time difference between Guarulhos and Montreal?
Montreal is 1 hour behind: it uses UTC−4, while Guarulhos is on UTC−3.
If it is 9:00 AM in Guarulhos, what time is it in Montreal?
At 9:00 AM in Guarulhos, clocks in Montreal show 8:00 AM.
What time is it in Montreal at the end of the working day in Guarulhos?
The working day in Guarulhos ends at 6:00 PM; in Montreal it is 5:00 PM at that moment.
When is a good time to call Montreal from Guarulhos?
Between 10:00 AM and 6:00 PM in Guarulhos – that is 9:00 AM to 5:00 PM in Montreal – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Montreal?
Until 1:00 AM in Guarulhos it is still the previous day in Montreal. The other way round, from 11:00 PM in Montreal it is already the next day in Guarulhos.
Does the time difference between Guarulhos and Montreal change?
Yes. The clocks change only in Montreal. From November 1, 2026, Montreal will be 2 hours behind Guarulhos.
