Montreal to San Luis: time difference
San Luis 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 14:48 2:48 PM San Luis 15:48 3:48 PM You –:–
14:48 2:48 PM
Eastern Daylight Time · UTC-4
☀️ 07:08 · 🌙 18:14
15:48 3:48 PM
Argentina Standard Time · UTC-3
☀️ 06:48 · 🌙 19:37
·
+1 h
San Luis is 1 h ahead of Montreal.
When you, Montreal and San Luis 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
🇦🇷 San Luis
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 | 🇦🇷 San Luis |
|---|---|---|
| Local time | 14:48 | 15:48 |
| 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/San Luis |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:08 | 06:48 |
| Sunset | 18:14 | 19:37 |
| Daylight | 11 h 6 min | 12 h 49 min |
| People on this clock | 1,762,949 | 204,019 |
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 San Luis: common questions
What is the time difference between Montreal and San Luis?
San Luis is 1 hour ahead: it uses UTC−3, while Montreal is on UTC−4.
What time is it in San Luis when it is 9:00 AM in Montreal?
When it is 9:00 AM in Montreal, it is 10:00 AM in San Luis.
What time is it in San Luis when it is 6:00 PM in Montreal?
When it is 6:00 PM in Montreal, it is 7:00 PM in San Luis.
Is there a time when both Montreal and San Luis are at work?
Yes: from 9:00 AM to 5:00 PM in Montreal (10:00 AM to 6:00 PM in San Luis), the working days (9:00 AM–6:00 PM) overlap.
From what time in Montreal is it tomorrow in San Luis?
Once it is 11:00 PM in Montreal, the date in San Luis has already changed. Until 1:00 AM in San Luis, it is still the previous day in Montreal.
Does the time difference between Montreal and San Luis change?
Yes. The clocks change only in Montreal. From November 1, 2026, San Luis will be 2 hours ahead of Montreal.
