Montreal to Mar del Plata: time difference
Mar del Plata is 1 h ahead of Montreal. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Mar del Plata, Argentina
59
- Argentina Standard Time
- UTC-3
- Daytime
☀️ 06:13 · 🌙 19:03 · 12 h 50 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Montreal 07:38 7:38 AM Mar del Plata 08:38 8:38 AM You –:–
07:38 7:38 AM
Eastern Daylight Time · UTC-4
☀️ 07:04 · 🌙 18:19
08:38 8:38 AM
Argentina Standard Time · UTC-3
☀️ 06:13 · 🌙 19:03
·
+1 h
Mar del Plata is 1 h ahead of Montreal.
When you, Montreal and Mar del Plata 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
🇦🇷 Mar del Plata
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 | 🇦🇷 Mar del Plata |
|---|---|---|
| Local time | 07:38 | 08:38 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Montreal | — | +1 h |
| IANA zone | America/Toronto | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:04 | 06:13 |
| Sunset | 18:19 | 19:03 |
| Daylight | 11 h 15 min | 12 h 50 min |
| People on this clock | 1,762,949 | 593,337 |
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 Mar del Plata: common questions
What is the time difference between Montreal and Mar del Plata?
Mar del Plata is 1 hour ahead: it uses UTC−3, while Montreal is on UTC−4.
What time is it in Mar del Plata at the start of the working day in Montreal?
The working day in Montreal starts at 9:00 AM; in Mar del Plata it is 10:00 AM at that moment.
If it is 6:00 PM in Montreal, what time is it in Mar del Plata?
At 6:00 PM in Montreal, clocks in Mar del Plata show 7:00 PM.
Is there a time when both Montreal and Mar del Plata are at work?
Yes: from 9:00 AM to 5:00 PM in Montreal (10:00 AM to 6:00 PM in Mar del Plata), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Mar del Plata?
From 11:00 PM in Montreal it is already the next day in Mar del Plata. The other way round, until 1:00 AM in Mar del Plata it is still the previous day in Montreal.
Is the time difference between Montreal and Mar del Plata the same all year?
No. Only Montreal switches to summer time, so the gap changes twice a year. From November 1, 2026, Mar del Plata will be 2 hours ahead of Montreal.
