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.

🇵🇷 Puerto Rico

12

4:36 AM · Friday, November 6, 2026

  • AST
  • UTC-4
  • Night

☀️ 06:27 · 🌙 17:51 · 11 h 23 min

−1 h

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
Puerto Rico 04:36 4:36 AM Montreal 03:36 3:36 AM You –:–
🇵🇷 Puerto Rico

04:36 4:36 AM

Atlantic Standard Time · UTC-4

☀️ 06:27 · 🌙 17:51

🇨🇦 Montreal

03:36 3:36 AM

Eastern Standard Time · UTC-5

☀️ 06:41 · 🌙 16:36

⇄ Difference

−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
  • 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.

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.
Show times on the 12-hour clock, temperatures in °F and distances in miles?