San Juan to Montreal: time difference
Montreal is 1 h behind San Juan. 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.
San Juan 12:59 12:59 PM Montreal 11:59 11:59 AM You –:–
12:59 12:59 PM
Atlantic Standard Time · UTC-4
☀️ 06:27 · 🌙 17:51
11:59 11:59 AM
Eastern Standard Time · UTC-5
☀️ 06:41 · 🌙 16:36
·
−1 h
Montreal is 1 h behind San Juan.
When you, San Juan 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
🇵🇷 San Juan
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 | 🇵🇷 San Juan | 🇨🇦 Montreal |
|---|---|---|
| Local time | 12:59 | 11:59 |
| 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 San Juan | — | −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 | 322,854 | 1,762,949 |
Compare San Juan with another city
More comparisons with San Juan: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Juan and Montreal: common questions
What is the time difference between San Juan and Montreal?
Montreal is 1 hour behind: it uses UTC−5, while San Juan is on UTC−4.
If it is 9:00 AM in San Juan, what time is it in Montreal?
At 9:00 AM in San Juan, clocks in Montreal show 8:00 AM.
What time is it in Montreal at the end of the working day in San Juan?
The working day in San Juan ends at 6:00 PM; in Montreal it is 5:00 PM at that moment.
When do working hours in San Juan and in Montreal overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in San Juan, which is 9:00 AM to 5:00 PM in Montreal.
Until what time in San Juan is it still yesterday in Montreal?
Before 1:00 AM in San Juan, the date in Montreal has not changed yet. From 11:00 PM in Montreal, it is already the next day in San Juan.
Does the time difference between San Juan and Montreal change?
Yes. The clocks change only in Montreal. From March 14, 2027, Montreal and San Juan will have the same time.
