Lisbon to Fort Smith, AR: time difference
Fort Smith, AR 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 11:33 11:33 AM Fort Smith, AR 05:33 5:33 AM You –:–
11:33 11:33 AM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:56
05:33 5:33 AM
Central Daylight Time · UTC-5
☀️ 07:27 · 🌙 18:40
·
−6 h
Fort Smith, AR is 6 h behind Lisbon.
When you, Lisbon and Fort Smith, AR 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
🇺🇸 Fort Smith, AR
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 | 🇺🇸 Fort Smith, AR |
|---|---|---|
| Local time | 11:33 | 05:33 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 07:49 | 07:27 |
| Sunset | 18:56 | 18:40 |
| Daylight | 11 h 7 min | 11 h 13 min |
| People on this clock | 545,923 | 89,142 |
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 Fort Smith, AR: common questions
How many hours behind Lisbon is Fort Smith, AR?
The clocks in Fort Smith are 6 hours behind those in Lisbon (UTC−5 and UTC+1).
What time is it in Fort Smith, AR, at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Fort Smith it is 3:00 AM at that moment.
What time is it in Fort Smith, AR, at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Fort Smith it is 12:00 PM at that moment.
When do working hours in Lisbon and in Fort Smith, AR, 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 Fort Smith.
When is it still the previous day in Fort Smith, AR?
Until 6:00 AM in Lisbon it is still the previous day in Fort Smith. The other way round, from 6:00 PM in Fort Smith it is already the next day in Lisbon.
Does the time difference between Lisbon and Fort Smith, AR, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Fort Smith will be 5 hours behind Lisbon.
