Puerto Rico to Montreal: time difference
Montreal is 1 h behind Puerto Rico. 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.
Puerto Rico 04:36 4:36 AM Montreal 03:36 3:36 AM You –:–
04:36 4:36 AM
Atlantic Standard Time · UTC-4
☀️ 06:27 · 🌙 17:51
03:36 3:36 AM
Eastern Standard Time · UTC-5
☀️ 06:41 · 🌙 16:36
·
−1 h
Montreal is 1 h behind Puerto Rico.
When you, Puerto Rico 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
🇵🇷 Puerto Rico
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 | 🇵🇷 Puerto Rico | 🇨🇦 Montreal |
|---|---|---|
| Local time | 04:36 | 03:36 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Atlantic Standard Time | Eastern Standard Time |
| UTC offset | UTC-4 | UTC-5 |
| Offset from Puerto Rico | — | −1 h |
| IANA zone | America/Puerto Rico | America/Toronto |
| Daylight saving | Not observed | On standard time → UTC-4, Mar 14, 03:00 |
| Sunrise | 06:27 | 06:41 |
| Sunset | 17:51 | 16:36 |
| Daylight | 11 h 23 min | 9 h 55 min |
| People on this clock | 3,285,874 | 1,762,949 |
Compare Puerto Rico with another city
More comparisons with Puerto Rico: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Puerto Rico and Montreal: common questions
How far behind Puerto Rico is Montreal?
Montreal is 1 hour behind Puerto Rico: UTC−5 against UTC−4.
If it is 9:00 AM in Puerto Rico, what time is it in Montreal?
At 9:00 AM in Puerto Rico, clocks in Montreal show 8:00 AM.
What time is it in Montreal at the end of the working day in Puerto Rico?
The working day in Puerto Rico ends at 6:00 PM; in Montreal it is 5:00 PM at that moment.
Is there a time when both Puerto Rico and Montreal are at work?
Yes: from 10:00 AM to 6:00 PM in Puerto Rico (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 Puerto Rico?
The new day starts in Montreal later: until 1:00 AM in Puerto Rico, it is still the previous day there. From 11:00 PM in Montreal, Puerto Rico is already on the next day.
Is the time difference between Puerto Rico and Montreal the same all year?
No. Only Montreal switches to summer time, so the gap changes twice a year. From March 14, 2027, Montreal and Puerto Rico will have the same time.