Lisbon to Ulsan: time difference
Ulsan is 8 h ahead of 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 19:51 7:51 PM Ulsan 03:51 3:51 AM You –:–
19:51 7:51 PM
Western European Summer Time · UTC+1
☀️ 07:48 · 🌙 18:57
03:51 3:51 AM
Korean Standard Time · UTC+9
☀️ 06:32 · 🌙 17:46
·
+8 h
Ulsan is 8 h ahead of Lisbon.
When you, Lisbon and Ulsan 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
🇰🇷 Ulsan
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇰🇷 Ulsan |
|---|---|---|
| Local time | 19:51 | 03:51 |
| Local date | Saturday, October 17, 2026 | Sunday, October 18, 2026 |
| Time zone | Western European Summer Time | Korean Standard Time |
| UTC offset | UTC+1 | UTC+9 |
| Offset from Lisbon | — | +8 h |
| IANA zone | Europe/Lisbon | Asia/Seoul |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:48 | 06:32 |
| Sunset | 18:57 | 17:46 |
| Daylight | 11 h 9 min | 11 h 14 min |
| People on this clock | 545,923 | 1,129,827 |
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 Ulsan: common questions
How many hours ahead of Lisbon is Ulsan?
The clocks in Ulsan are 8 hours ahead of those in Lisbon (UTC+9 and UTC+1).
What time is it in Ulsan when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 5:00 PM in Ulsan.
What time is it in Ulsan when it is 6:00 PM in Lisbon?
When it is 6:00 PM in Lisbon, it is 2:00 AM (the next day) in Ulsan.
Is there a time when both Lisbon and Ulsan are at work?
Yes: from 9:00 AM to 10:00 AM in Lisbon (5:00 PM to 6:00 PM in Ulsan), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Ulsan?
From 4:00 PM in Lisbon it is already the next day in Ulsan. The other way round, until 8:00 AM in Ulsan it is still the previous day in Lisbon.
Does the time difference between Lisbon and Ulsan change?
Yes. The clocks change only in Lisbon. From October 25, 2026, Ulsan will be 9 hours ahead of Lisbon.
