Isabela to Montreal: time difference
Montreal is 1 h behind Isabela. 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.
Isabela 22:22 10:22 PM Montreal 21:22 9:22 PM You –:–
22:22 10:22 PM
Atlantic Standard Time · UTC-4
☀️ 06:30 · 🌙 17:55
21:22 9:22 PM
Eastern Standard Time · UTC-5
☀️ 06:40 · 🌙 16:37
·
−1 h
Montreal is 1 h behind Isabela.
When you, Isabela 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
🇵🇷 Isabela
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 | 🇵🇷 Isabela | 🇨🇦 Montreal |
|---|---|---|
| Local time | 22:22 | 21:22 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Atlantic Standard Time | Eastern Standard Time |
| UTC offset | UTC-4 | UTC-5 |
| Offset from Isabela | — | −1 h |
| IANA zone | America/Puerto Rico | America/Toronto |
| Daylight saving | Not observed | On standard time → UTC-4, Mar 14, 03:00 |
| Sunrise | 06:30 | 06:40 |
| Sunset | 17:55 | 16:37 |
| Daylight | 11 h 24 min | 9 h 57 min |
| People on this clock | 45,000 | 1,762,949 |
Compare Isabela with another city
More comparisons with Isabela: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Isabela and Montreal: common questions
What is the time difference between Isabela and Montreal?
Montreal is 1 hour behind: it uses UTC−5, while Isabela is on UTC−4.
What time is it in Montreal when it is 9:00 AM in Isabela?
When it is 9:00 AM in Isabela, it is 8:00 AM in Montreal.
What time is it in Montreal when it is 6:00 PM in Isabela?
When it is 6:00 PM in Isabela, it is 5:00 PM in Montreal.
When is a good time to call Montreal from Isabela?
Between 10:00 AM and 6:00 PM in Isabela – that is 9:00 AM to 5:00 PM in Montreal – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Montreal compared with Isabela?
The new day starts in Montreal later: until 1:00 AM in Isabela, it is still the previous day there. From 11:00 PM in Montreal, Isabela is already on the next day.
Does the time difference between Isabela and Montreal change?
Yes. The clocks change only in Montreal. From March 14, 2027, Montreal and Isabela will have the same time.
