Montreal to Ushuaia: time difference
Ushuaia is 1 h ahead of Montreal. 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.
Montreal 11:04 11:04 AM Ushuaia 12:04 12:04 PM You –:–
11:04 11:04 AM
Eastern Daylight Time · UTC-4
☀️ 07:16 · 🌙 18:03
12:04 12:04 PM
Argentina Standard Time · UTC-3
☀️ 06:15 · 🌙 20:23
·
+1 h
Ushuaia is 1 h ahead of Montreal.
When you, Montreal and Ushuaia 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
🇦🇷 Ushuaia
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 | 🇦🇷 Ushuaia |
|---|---|---|
| Local time | 11:04 | 12:04 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 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/Ushuaia |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:16 | 06:15 |
| Sunset | 18:03 | 20:23 |
| Daylight | 10 h 47 min | 14 h 8 min |
| People on this clock | 1,762,949 | 79,538 |
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 Ushuaia: common questions
How far ahead of Montreal is Ushuaia?
Ushuaia is 1 hour ahead of Montreal: UTC−3 against UTC−4.
If it is 9:00 AM in Montreal, what time is it in Ushuaia?
At 9:00 AM in Montreal, clocks in Ushuaia show 10:00 AM.
If it is 6:00 PM in Montreal, what time is it in Ushuaia?
At 6:00 PM in Montreal, clocks in Ushuaia show 7:00 PM.
Is there a time when both Montreal and Ushuaia are at work?
Yes: from 9:00 AM to 5:00 PM in Montreal (10:00 AM to 6:00 PM in Ushuaia), the working days (9:00 AM–6:00 PM) overlap.
From what time in Montreal is it tomorrow in Ushuaia?
Once it is 11:00 PM in Montreal, the date in Ushuaia has already changed. Until 1:00 AM in Ushuaia, it is still the previous day in Montreal.
Is the time difference between Montreal and Ushuaia the same all year?
No. Only Montreal switches to summer time, so the gap changes twice a year. From November 1, 2026, Ushuaia will be 2 hours ahead of Montreal.
