Lisbon to Sioux City, IA: time difference
Sioux City, IA 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 07:51 7:51 AM Sioux City, IA 01:51 1:51 AM You –:–
07:51 7:51 AM
Western European Summer Time · UTC+1
☀️ 07:43 · 🌙 19:04
01:51 1:51 AM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:50
·
−6 h
Sioux City, IA is 6 h behind Lisbon.
When you, Lisbon and Sioux City, IA 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
🇺🇸 Sioux City, IA
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 | 🇺🇸 Sioux City, IA |
|---|---|---|
| Local time | 07:51 | 01:51 |
| Local date | Monday, October 12, 2026 | Monday, October 12, 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 | 07:43 | 07:36 |
| Sunset | 19:04 | 18:50 |
| Daylight | 11 h 21 min | 11 h 14 min |
| People on this clock | 545,923 | 85,797 |
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 Sioux City, IA: common questions
What is the time difference between Lisbon and Sioux City, IA?
Sioux City is 6 hours behind: it uses UTC−5, while Lisbon is on UTC+1.
What time is it in Sioux City, IA, at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Sioux City it is 3:00 AM at that moment.
What time is it in Sioux City, IA, when it is 6:00 PM in Lisbon?
When it is 6:00 PM in Lisbon, it is 12:00 PM in Sioux City.
When is a good time to call Sioux City, IA, from Lisbon?
Between 3:00 PM and 6:00 PM in Lisbon – that is 9:00 AM to 12:00 PM in Sioux City – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Sioux City, IA?
Until 6:00 AM in Lisbon it is still the previous day in Sioux City. The other way round, from 6:00 PM in Sioux City it is already the next day in Lisbon.
Does the time difference between Lisbon and Sioux City, IA, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Sioux City will be 5 hours behind Lisbon.
