Montreal to Rosario: time difference
Rosario 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 11:38 11:38 AM Rosario 12:38 12:38 PM You –:–
11:38 11:38 AM
Eastern Daylight Time · UTC-4
☀️ 07:08 · 🌙 18:14
12:38 12:38 PM
Argentina Standard Time · UTC-3
☀️ 06:25 · 🌙 19:14
·
+1 h
Rosario is 1 h ahead of Montreal.
When you, Montreal and Rosario 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
🇦🇷 Rosario
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 | 🇦🇷 Rosario |
|---|---|---|
| Local time | 11:38 | 12:38 |
| Local date | Tuesday, October 13, 2026 | Tuesday, October 13, 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/Cordoba |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:08 | 06:25 |
| Sunset | 18:14 | 19:14 |
| Daylight | 11 h 6 min | 12 h 49 min |
| People on this clock | 1,762,949 | 1,029,619 |
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 Rosario: common questions
How far ahead of Montreal is Rosario?
Rosario is 1 hour ahead of Montreal: UTC−3 against UTC−4.
What time is it in Rosario at the start of the working day in Montreal?
The working day in Montreal starts at 9:00 AM; in Rosario it is 10:00 AM at that moment.
What time is it in Rosario at the end of the working day in Montreal?
The working day in Montreal ends at 6:00 PM; in Rosario it is 7:00 PM at that moment.
When do working hours in Montreal and in Rosario overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Montreal, which is 10:00 AM to 6:00 PM in Rosario.
When is it already the next day in Rosario?
From 11:00 PM in Montreal it is already the next day in Rosario. The other way round, until 1:00 AM in Rosario it is still the previous day in Montreal.
Does the time difference between Montreal and Rosario change?
Yes. The clocks change only in Montreal. From November 1, 2026, Rosario will be 2 hours ahead of Montreal.
