Montreal to Buenos Aires: time difference
Buenos Aires 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 22:11 10:11 PM Buenos Aires 23:11 11:11 PM You –:–
22:11 10:11 PM
Eastern Daylight Time · UTC-4
☀️ 07:03 · 🌙 18:21
23:11 11:11 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
+1 h
Buenos Aires is 1 h ahead of Montreal.
When you, Montreal and Buenos Aires 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
🇦🇷 Buenos Aires
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 | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 22:11 | 23:11 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 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 | 07:03 | 06:20 |
| Sunset | 18:21 | 19:03 |
| Daylight | 11 h 18 min | 12 h 43 min |
| People on this clock | 1,762,949 | 2,891,082 |
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 Buenos Aires: common questions
How far ahead of Montreal is Buenos Aires?
Buenos Aires is 1 hour ahead of Montreal: UTC−3 against UTC−4.
What time is it in Buenos Aires when it is 9:00 AM in Montreal?
When it is 9:00 AM in Montreal, it is 10:00 AM in Buenos Aires.
If it is 6:00 PM in Montreal, what time is it in Buenos Aires?
At 6:00 PM in Montreal, clocks in Buenos Aires show 7:00 PM.
When is a good time to call Buenos Aires from Montreal?
Between 9:00 AM and 5:00 PM in Montreal – that is 10:00 AM to 6:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Buenos Aires compared with Montreal?
The new day starts in Buenos Aires earlier: at 11:00 PM in Montreal it is already midnight there. Until 1:00 AM in Buenos Aires, Montreal is still on the previous day.
Is the time difference between Montreal and Buenos Aires the same all year?
No. Only Montreal switches to summer time, so the gap changes twice a year. From November 1, 2026, Buenos Aires will be 2 hours ahead of Montreal.
