Ilsan to Lisbon: time difference
Lisbon is 8 h behind Ilsan. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇵🇹 Lisbon, Portugal
46
- Western European Summer Time
- UTC+1
- Golden hour
☀️ 07:48 · 🌙 18:57 · 11 h 9 min
−8 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Ilsan 02:17 2:17 AM Lisbon 18:17 6:17 PM You –:–
02:17 2:17 AM
Korean Standard Time · UTC+9
☀️ 06:44 · 🌙 17:54
18:17 6:17 PM
Western European Summer Time · UTC+1
☀️ 07:48 · 🌙 18:57
·
−8 h
Lisbon is 8 h behind Ilsan.
When you, Ilsan and Lisbon are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇰🇷 Ilsan
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
🇵🇹 Lisbon
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 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇰🇷 Ilsan | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 02:17 | 18:17 |
| Local date | Sunday, October 18, 2026 | Saturday, October 17, 2026 |
| Time zone | Korean Standard Time | Western European Summer Time |
| UTC offset | UTC+9 | UTC+1 |
| Offset from Ilsan | — | −8 h |
| IANA zone | Asia/Seoul | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:44 | 07:48 |
| Sunset | 17:54 | 18:57 |
| Daylight | 11 h 10 min | 11 h 9 min |
| People on this clock | 1,061,752 | 545,923 |
Compare Ilsan with another city
More comparisons with Ilsan: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Ilsan and Lisbon: common questions
What is the time difference between Ilsan and Lisbon?
Lisbon is 8 hours behind: it uses UTC+1, while Ilsan is on UTC+9.
What time is it in Lisbon when it is 9:00 AM in Ilsan?
When it is 9:00 AM in Ilsan, it is 1:00 AM in Lisbon.
What time is it in Lisbon when it is 6:00 PM in Ilsan?
When it is 6:00 PM in Ilsan, it is 10:00 AM in Lisbon.
When do working hours in Ilsan and in Lisbon overlap?
Working hours (9:00 AM–6:00 PM) overlap from 5:00 PM to 6:00 PM in Ilsan, which is 9:00 AM to 10:00 AM in Lisbon.
When does the date change in Lisbon compared with Ilsan?
The new day starts in Lisbon later: until 8:00 AM in Ilsan, it is still the previous day there. From 4:00 PM in Lisbon, Ilsan is already on the next day.
Does the time gap between Ilsan and Lisbon change during the year?
Yes – daylight saving time is used in Lisbon but not in Ilsan. From October 25, 2026, Lisbon will be 9 hours behind Ilsan.
