Lisbon to Ushuaia: time difference
Ushuaia is 4 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 15:25 3:25 PM Ushuaia 11:25 11:25 AM You –:–
15:25 3:25 PM
Western European Summer Time · UTC+1
☀️ 07:50 · 🌙 18:54
11:25 11:25 AM
Argentina Standard Time · UTC-3
☀️ 06:15 · 🌙 20:23
·
−4 h
Ushuaia is 4 h behind Lisbon.
When you, Lisbon and Ushuaia 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
🇦🇷 Ushuaia
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 18 6 PM 19 7 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇦🇷 Ushuaia |
|---|---|---|
| Local time | 15:25 | 11:25 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Western European Summer Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Lisbon | — | −4 h |
| IANA zone | Europe/Lisbon | America/Argentina/Ushuaia |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:50 | 06:15 |
| Sunset | 18:54 | 20:23 |
| Daylight | 11 h 4 min | 14 h 8 min |
| People on this clock | 545,923 | 79,538 |
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 Ushuaia: common questions
How far behind Lisbon is Ushuaia?
Ushuaia is 4 hours behind Lisbon: UTC−3 against UTC+1.
If it is 9:00 AM in Lisbon, what time is it in Ushuaia?
At 9:00 AM in Lisbon, clocks in Ushuaia show 5:00 AM.
What time is it in Ushuaia at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Ushuaia it is 2:00 PM at that moment.
Is there a time when both Lisbon and Ushuaia are at work?
Yes: from 1:00 PM to 6:00 PM in Lisbon (9:00 AM to 2:00 PM in Ushuaia), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Ushuaia?
Until 4:00 AM in Lisbon it is still the previous day in Ushuaia. The other way round, from 8:00 PM in Ushuaia it is already the next day in Lisbon.
Does the time gap between Lisbon and Ushuaia change during the year?
Yes – daylight saving time is used in Lisbon but not in Ushuaia. From October 25, 2026, Ushuaia will be 3 hours behind Lisbon.
