Rio Grande to Montreal: time difference
Montreal is 1 h behind Rio Grande. 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.
Rio Grande 10:40 10:40 AM Montreal 09:40 9:40 AM You –:–
10:40 10:40 AM
Atlantic Standard Time · UTC-4
☀️ 06:26 · 🌙 17:50
09:40 9:40 AM
Eastern Standard Time · UTC-5
☀️ 06:41 · 🌙 16:36
·
−1 h
Montreal is 1 h behind Rio Grande.
When you, Rio Grande and Montreal are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇷 Rio Grande
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
🇨🇦 Montreal
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇷 Rio Grande | 🇨🇦 Montreal |
|---|---|---|
| Local time | 10:40 | 09:40 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Atlantic Standard Time | Eastern Standard Time |
| UTC offset | UTC-4 | UTC-5 |
| Offset from Rio Grande | — | −1 h |
| IANA zone | America/Puerto Rico | America/Toronto |
| Daylight saving | Not observed | On standard time → UTC-4, Mar 14, 03:00 |
| Sunrise | 06:26 | 06:41 |
| Sunset | 17:50 | 16:36 |
| Daylight | 11 h 24 min | 9 h 55 min |
| People on this clock | 13,467 | 1,762,949 |
Compare Rio Grande with another city
More comparisons with Rio Grande: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio Grande and Montreal: common questions
What is the time difference between Rio Grande and Montreal?
Montreal is 1 hour behind: it uses UTC−5, while Rio Grande is on UTC−4.
What time is it in Montreal at the start of the working day in Rio Grande?
The working day in Rio Grande starts at 9:00 AM; in Montreal it is 8:00 AM at that moment.
What time is it in Montreal at the end of the working day in Rio Grande?
The working day in Rio Grande ends at 6:00 PM; in Montreal it is 5:00 PM at that moment.
When is a good time to call Montreal from Rio Grande?
Between 10:00 AM and 6:00 PM in Rio Grande – that is 9:00 AM to 5:00 PM in Montreal – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Rio Grande is it still yesterday in Montreal?
Before 1:00 AM in Rio Grande, the date in Montreal has not changed yet. From 11:00 PM in Montreal, it is already the next day in Rio Grande.
Is the time difference between Rio Grande and Montreal the same all year?
No. Only Montreal switches to summer time, so the gap changes twice a year. From March 14, 2027, Montreal and Rio Grande will have the same time.
