Montreal to Las Piedras: time difference
Las Piedras is 1 h ahead of Montreal. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Montreal 17:20 5:20 PM Las Piedras 18:20 6:20 PM You –:–
17:20 5:20 PM
Eastern Daylight Time · UTC-4
☀️ 07:18 · 🌙 18:02
18:20 6:20 PM
Uruguay Standard Time · UTC-3
☀️ 05:57 · 🌙 19:04
·
+1 h
Las Piedras is 1 h ahead of Montreal.
When you, Montreal and Las Piedras 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
🇺🇾 Las Piedras
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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 Montreal | 🇺🇾 Las Piedras |
|---|---|---|
| Local time | 17:20 | 18:20 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern Daylight Time | Uruguay Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Montreal | — | +1 h |
| IANA zone | America/Toronto | America/Montevideo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:18 | 05:57 |
| Sunset | 18:02 | 19:04 |
| Daylight | 10 h 44 min | 13 h 6 min |
| People on this clock | 1,762,949 | 71,268 |
Compare Montreal with another city
More comparisons with Montreal: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Montreal and Las Piedras: common questions
What is the time difference between Montreal and Las Piedras?
Las Piedras is 1 hour ahead: it uses UTC−3, while Montreal is on UTC−4.
What time is it in Las Piedras at the start of the working day in Montreal?
The working day in Montreal starts at 9:00 AM; in Las Piedras it is 10:00 AM at that moment.
If it is 6:00 PM in Montreal, what time is it in Las Piedras?
At 6:00 PM in Montreal, clocks in Las Piedras show 7:00 PM.
When is a good time to call Las Piedras from Montreal?
Between 9:00 AM and 5:00 PM in Montreal – that is 10:00 AM to 6:00 PM in Las Piedras – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Las Piedras?
From 11:00 PM in Montreal it is already the next day in Las Piedras. The other way round, until 1:00 AM in Las Piedras it is still the previous day in Montreal.
Does the time gap between Montreal and Las Piedras change during the year?
Yes – daylight saving time is used in Montreal but not in Las Piedras. From November 1, 2026, Las Piedras will be 2 hours ahead of Montreal.
