Montreal to Puerto Rico: time difference

Puerto Rico is 1 h ahead of Montreal. Live clocks for both, the working hours they share, and how each one sits against your own time.

🇨🇦 Montreal, Canada

07

3:36 PM · Friday, November 6, 2026

  • EST
  • UTC-5
  • Golden hour

☀️ 06:41 · 🌙 16:36 · 9 h 55 min

🇵🇷 Puerto Rico

07

4:36 PM · Friday, November 6, 2026

  • AST
  • UTC-4
  • Daytime

☀️ 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.

Montreal 15:36 3:36 PM Puerto Rico 16:36 4:36 PM
Montreal 15:36 3:36 PM Puerto Rico 16:36 4:36 PM You –:–
🇨🇦 Montreal

15:36 3:36 PM

Eastern Standard Time · UTC-5

☀️ 06:41 · 🌙 16:36

🇵🇷 Puerto Rico

16:36 4:36 PM

Atlantic Standard Time · UTC-4

☀️ 06:27 · 🌙 17:51

⇄ Difference

+1 h

Puerto Rico is 1 h ahead of Montreal.

When you, Montreal and Puerto Rico are all at the desk

Pick the working hours below – the window every location shares appears once your time zone is known.

Working hours
🇨🇦 Montreal
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
🇵🇷 Puerto Rico
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 0 12 AM
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇨🇦 Montreal 🇵🇷 Puerto Rico
Local time 15:36 16:36
Local date Friday, November 6, 2026 Friday, November 6, 2026
Time zone Eastern Standard Time Atlantic Standard Time
UTC offset UTC-5 UTC-4
Offset from Montreal — +1 h
IANA zone America/Toronto America/Puerto Rico
Daylight saving On standard time → UTC-4, Mar 14, 03:00 Not observed
Sunrise 06:41 06:27
Sunset 16:36 17:51
Daylight 9 h 55 min 11 h 23 min
People on this clock 1,762,949 3,285,874

Compare Montreal with another city

More comparisons with Montreal: the time zones next to it and the far side of the clock.

Montreal and Puerto Rico: common questions

What is the time difference between Montreal and Puerto Rico?
Puerto Rico is 1 hour ahead: it uses UTC−4, while Montreal is on UTC−5.
What time is it in Puerto Rico at the start of the working day in Montreal?
The working day in Montreal starts at 9:00 AM; in Puerto Rico it is 10:00 AM at that moment.
If it is 6:00 PM in Montreal, what time is it in Puerto Rico?
At 6:00 PM in Montreal, clocks in Puerto Rico show 7:00 PM.
When do working hours in Montreal and in Puerto Rico overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Montreal, which is 10:00 AM to 6:00 PM in Puerto Rico.
From what time in Montreal is it tomorrow in Puerto Rico?
Once it is 11:00 PM in Montreal, the date in Puerto Rico has already changed. Until 1:00 AM in Puerto Rico, it is still the previous day in Montreal.
Does the time difference between Montreal and Puerto Rico change?
Yes. The clocks change only in Montreal. From March 14, 2027, Puerto Rico and Montreal will have the same time.
Show times on the 12-hour clock, temperatures in °F and distances in miles?