Lisbon to Jeju: time difference
Jeju 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 04:40 4:40 AM Jeju 12:40 12:40 PM You –:–
04:40 4:40 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
12:40 12:40 PM
Korean Standard Time · UTC+9
☀️ 06:35 · 🌙 18:09
·
+8 h
Jeju is 8 h ahead of Lisbon.
When you, Lisbon and Jeju 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
🇰🇷 Jeju
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 | 🇰🇷 Jeju |
|---|---|---|
| Local time | 04:40 | 12:40 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 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 | 07:41 | 06:35 |
| Sunset | 19:07 | 18:09 |
| Daylight | 11 h 26 min | 11 h 34 min |
| People on this clock | 545,923 | 469,279 |
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 Jeju: common questions
How far ahead of Lisbon is Jeju?
Jeju is 8 hours ahead of Lisbon: UTC+9 against UTC+1.
What time is it in Jeju when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 5:00 PM in Jeju.
If it is 6:00 PM in Lisbon, what time is it in Jeju?
At 6:00 PM in Lisbon, clocks in Jeju show 2:00 AM (the next day).
Is there a time when both Lisbon and Jeju are at work?
Yes: from 9:00 AM to 10:00 AM in Lisbon (5:00 PM to 6:00 PM in Jeju), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Jeju?
From 4:00 PM in Lisbon it is already the next day in Jeju. The other way round, until 8:00 AM in Jeju it is still the previous day in Lisbon.
Is the time difference between Lisbon and Jeju the same all year?
No. Only Lisbon switches to summer time, so the gap changes twice a year. From October 25, 2026, Jeju will be 9 hours ahead of Lisbon.
