Diadema to Montreal: time difference
Montreal is 1 h behind Diadema. 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.
Diadema 22:37 10:37 PM Montreal 21:37 9:37 PM You –:–
22:37 10:37 PM
Brasilia Standard Time · UTC-3
☀️ 05:29 · 🌙 18:14
21:37 9:37 PM
Eastern Daylight Time · UTC-4
☀️ 07:19 · 🌙 18:00
·
−1 h
Montreal is 1 h behind Diadema.
When you, Diadema 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
🇧🇷 Diadema
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 | 🇧🇷 Diadema | 🇨🇦 Montreal |
|---|---|---|
| Local time | 22:37 | 21:37 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Brasilia Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Diadema | — | −1 h |
| IANA zone | America/Sao Paulo | America/Toronto |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:29 | 07:19 |
| Sunset | 18:14 | 18:00 |
| Daylight | 12 h 45 min | 10 h 41 min |
| People on this clock | 393,237 | 1,762,949 |
Compare Diadema with another city
More comparisons with Diadema: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Diadema and Montreal: common questions
How far behind Diadema is Montreal?
Montreal is 1 hour behind Diadema: UTC−4 against UTC−3.
If it is 9:00 AM in Diadema, what time is it in Montreal?
At 9:00 AM in Diadema, clocks in Montreal show 8:00 AM.
What time is it in Montreal when it is 6:00 PM in Diadema?
When it is 6:00 PM in Diadema, it is 5:00 PM in Montreal.
Is there a time when both Diadema and Montreal are at work?
Yes: from 10:00 AM to 6:00 PM in Diadema (9:00 AM to 5:00 PM in Montreal), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Montreal compared with Diadema?
The new day starts in Montreal later: until 1:00 AM in Diadema, it is still the previous day there. From 11:00 PM in Montreal, Diadema is already on the next day.
Does the time gap between Diadema and Montreal change during the year?
Yes – daylight saving time is used in Montreal but not in Diadema. From November 1, 2026, Montreal will be 2 hours behind Diadema.
