Lisbon to Ottawa, IL: time difference
Ottawa, IL is 6 h behind Lisbon. 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.
Lisbon 04:12 4:12 AM Ottawa, IL 22:12 10:12 PM You –:–
04:12 4:12 AM
Western European Summer Time · UTC+1
☀️ 07:53 · 🌙 18:50
22:12 10:12 PM
Central Daylight Time · UTC-5
☀️ 07:14 · 🌙 18:07
·
−6 h
Ottawa, IL is 6 h behind Lisbon.
When you, Lisbon 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
🇵🇹 Lisbon
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
18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇺🇸 Ottawa, IL |
|---|---|---|
| Local time | 04:12 | 22:12 |
| Local date | Thursday, October 22, 2026 | Wednesday, October 21, 2026 |
| Time zone | Western European Summer Time | Central Daylight Time |
| UTC offset | UTC+1 | UTC-5 |
| Offset from Lisbon | — | −6 h |
| IANA zone | Europe/Lisbon | America/Chicago |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 07:53 | 07:14 |
| Sunset | 18:50 | 18:07 |
| Daylight | 10 h 57 min | 10 h 52 min |
| People on this clock | 545,923 | 18,342 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Ottawa, IL: common questions
How many hours behind Lisbon is Ottawa, IL?
The clocks in Ottawa are 6 hours behind those in Lisbon (UTC−5 and UTC+1).
If it is 9:00 AM in Lisbon, what time is it in Ottawa, IL?
At 9:00 AM in Lisbon, clocks in Ottawa show 3:00 AM.
What time is it in Ottawa, IL, when it is 6:00 PM in Lisbon?
When it is 6:00 PM in Lisbon, it is 12:00 PM in Ottawa.
When do working hours in Lisbon and in Ottawa, IL, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 3:00 PM to 6:00 PM in Lisbon, which is 9:00 AM to 12:00 PM in Ottawa.
When does the date change in Ottawa, IL, compared with Lisbon?
The new day starts in Ottawa later: until 6:00 AM in Lisbon, it is still the previous day there. From 6:00 PM in Ottawa, Lisbon is already on the next day.
Does the time difference between Lisbon and Ottawa, IL, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Ottawa will be 5 hours behind Lisbon.
