Montreal to Ottawa, IL: time difference
Ottawa, IL is 1 h behind 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 23:54 11:54 PM Ottawa, IL 22:54 10:54 PM You –:–
23:54 11:54 PM
Eastern Daylight Time · UTC-4
☀️ 07:19 · 🌙 18:00
22:54 10:54 PM
Central Daylight Time · UTC-5
☀️ 07:14 · 🌙 18:07
·
−1 h
Ottawa, IL is 1 h behind Montreal.
When you, Montreal and Ottawa, IL 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
🇺🇸 Ottawa, IL
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 | 🇨🇦 Montreal | 🇺🇸 Ottawa, IL |
|---|---|---|
| Local time | 23:54 | 22:54 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Eastern Daylight Time | Central Daylight Time |
| UTC offset | UTC-4 | UTC-5 |
| Offset from Montreal | — | −1 h |
| IANA zone | America/Toronto | America/Chicago |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 07:19 | 07:14 |
| Sunset | 18:00 | 18:07 |
| Daylight | 10 h 41 min | 10 h 52 min |
| People on this clock | 1,762,949 | 18,342 |
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 Ottawa, IL: common questions
How many hours behind Montreal is Ottawa, IL?
The clocks in Ottawa are 1 hour behind those in Montreal (UTC−5 and UTC−4).
What time is it in Ottawa, IL, at the start of the working day in Montreal?
The working day in Montreal starts at 9:00 AM; in Ottawa it is 8:00 AM at that moment.
What time is it in Ottawa, IL, at the end of the working day in Montreal?
The working day in Montreal ends at 6:00 PM; in Ottawa it is 5:00 PM at that moment.
When is a good time to call Ottawa, IL, from Montreal?
Between 10:00 AM and 6:00 PM in Montreal – that is 9:00 AM to 5:00 PM in Ottawa – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Montreal is it still yesterday in Ottawa, IL?
Before 1:00 AM in Montreal, the date in Ottawa has not changed yet. From 11:00 PM in Ottawa, it is already the next day in Montreal.
Does the time difference between Montreal and Ottawa, IL, change?
No. The clocks in Montreal and in Ottawa change on the same dates, so the difference stays 1 hour.
