Montreal to Rio Claro: time difference
Rio Claro 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 12:25 12:25 PM Rio Claro 13:25 1:25 PM You –:–
12:25 12:25 PM
Eastern Standard Time · UTC-5
☀️ 06:41 · 🌙 16:36
13:25 1:25 PM
Atlantic Standard Time · UTC-4
☀️ 05:58 · 🌙 17:41
·
+1 h
Rio Claro is 1 h ahead of Montreal.
When you, Montreal and Rio Claro 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
🇹🇹 Rio Claro
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 | 🇹🇹 Rio Claro |
|---|---|---|
| Local time | 12:25 | 13:25 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Eastern Standard Time | Atlantic Standard Time |
| UTC offset | UTC-5 | UTC-4 |
| Offset from Montreal | — | +1 h |
| IANA zone | America/Toronto | America/Port of Spain |
| Daylight saving | On standard time → UTC-4, Mar 14, 03:00 | Not observed |
| Sunrise | 06:41 | 05:58 |
| Sunset | 16:36 | 17:41 |
| Daylight | 9 h 55 min | 11 h 43 min |
| People on this clock | 1,762,949 | 35,650 |
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 Rio Claro: common questions
What is the time difference between Montreal and Rio Claro?
Rio Claro is 1 hour ahead: it uses UTC−4, while Montreal is on UTC−5.
What time is it in Rio Claro at the start of the working day in Montreal?
The working day in Montreal starts at 9:00 AM; in Rio Claro it is 10:00 AM at that moment.
What time is it in Rio Claro when it is 6:00 PM in Montreal?
When it is 6:00 PM in Montreal, it is 7:00 PM in Rio Claro.
When do working hours in Montreal and in Rio Claro 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 Rio Claro.
From what time in Montreal is it tomorrow in Rio Claro?
Once it is 11:00 PM in Montreal, the date in Rio Claro has already changed. Until 1:00 AM in Rio Claro, it is still the previous day in Montreal.
Is the time difference between Montreal and Rio Claro the same all year?
No. Only Montreal switches to summer time, so the gap changes twice a year. From March 14, 2027, Rio Claro and Montreal will have the same time.
