Las Piedras to Montreal: time difference
Montreal is 1 h behind Las Piedras. 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.
Las Piedras 04:09 4:09 AM Montreal 03:09 3:09 AM You –:–
04:09 4:09 AM
Atlantic Standard Time · UTC-4
☀️ 06:26 · 🌙 17:50
03:09 3:09 AM
Eastern Standard Time · UTC-5
☀️ 06:41 · 🌙 16:36
·
−1 h
Montreal is 1 h behind Las Piedras.
When you, Las Piedras 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
🇵🇷 Las Piedras
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 | 🇵🇷 Las Piedras | 🇨🇦 Montreal |
|---|---|---|
| Local time | 04:09 | 03:09 |
| 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 Las Piedras | — | −1 h |
| IANA zone | America/Puerto Rico | America/Toronto |
| Daylight saving | Not observed | On standard time → UTC-4, Mar 14, 03:00 |
| Sunrise | 06:26 | 06:41 |
| Sunset | 17:50 | 16:36 |
| Daylight | 11 h 24 min | 9 h 55 min |
| People on this clock | 38,000 | 1,762,949 |
Compare Las Piedras with another city
More comparisons with Las Piedras: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Las Piedras and Montreal: common questions
How many hours behind Las Piedras is Montreal?
The clocks in Montreal are 1 hour behind those in Las Piedras (UTC−5 and UTC−4).
If it is 9:00 AM in Las Piedras, what time is it in Montreal?
At 9:00 AM in Las Piedras, clocks in Montreal show 8:00 AM.
What time is it in Montreal at the end of the working day in Las Piedras?
The working day in Las Piedras ends at 6:00 PM; in Montreal it is 5:00 PM at that moment.
Is there a time when both Las Piedras and Montreal are at work?
Yes: from 10:00 AM to 6:00 PM in Las Piedras (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 Las Piedras?
The new day starts in Montreal later: until 1:00 AM in Las Piedras, it is still the previous day there. From 11:00 PM in Montreal, Las Piedras is already on the next day.
Does the time difference between Las Piedras and Montreal change?
Yes. The clocks change only in Montreal. From March 14, 2027, Montreal and Las Piedras will have the same time.
