London to Seoul
Converting a fixed time. Europe/London → Asia/Seoul · 8,857 km (5,500 miles) apart
Clocks go back 1 hour on Sunday, 25th October 2026, at 1:59 am local time (1:00 am after the change).
Clocks here do not change — this zone stays on the same offset all year.
Convert a specific time minutes work, not just whole hours
Hour by hour
| London | Seoul | 24h | Good to call? |
|---|---|---|---|
| 12am | 8am | 00:00 → 08:00 | asleep in London |
| 1am | 9am | 01:00 → 09:00 | asleep in London |
| 2am | 10am | 02:00 → 10:00 | asleep in London |
| 3am | 11am | 03:00 → 11:00 | asleep in London |
| 4am | 12pm | 04:00 → 12:00 | asleep in London |
| 5am | 1pm | 05:00 → 13:00 | asleep in London |
| 6am | 2pm | 06:00 → 14:00 | asleep in London |
| 7am | 3pm | 07:00 → 15:00 | awake, not at work |
| 8am | 4pm | 08:00 → 16:00 | awake, not at work |
| 9am | 5pm | 09:00 → 17:00 | awake, not at work |
| 10am now | 6pm | 10:00 → 18:00 | awake, not at work |
| 11am | 7pm | 11:00 → 19:00 | awake, not at work |
| 12pm | 8pm | 12:00 → 20:00 | awake, not at work |
| 1pm | 9pm | 13:00 → 21:00 | awake, not at work |
| 2pm | 10pm | 14:00 → 22:00 | asleep in Seoul |
| 3pm | 11pm | 15:00 → 23:00 | asleep in Seoul |
| 4pm | 12am Fri | 16:00 → 00:00 | asleep in Seoul |
| 5pm | 1am Fri | 17:00 → 01:00 | asleep in Seoul |
| 6pm | 2am Fri | 18:00 → 02:00 | asleep in Seoul |
| 7pm | 3am Fri | 19:00 → 03:00 | asleep in Seoul |
| 8pm | 4am Fri | 20:00 → 04:00 | asleep in Seoul |
| 9pm | 5am Fri | 21:00 → 05:00 | asleep in Seoul |
| 10pm | 6am Fri | 22:00 → 06:00 | asleep in Seoul |
| 11pm | 7am Fri | 23:00 → 07:00 | asleep in London |
Call times
There is no hour when both places are inside normal working hours. The least bad slot is usually early morning at the western end.
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
Questions people ask
What time is it in Seoul when it is 5:00 pm in London?
1:00 am in Seoul the next day.
How many hours ahead is Seoul of London?
Seoul is 8 hours ahead London. That gap is not fixed: it changes when either place starts or ends daylight saving. The table on this page is recalculated for today, so it is already correct for the current season.
What is the best time to call between London and Seoul?
There is no hour when both places are inside normal working hours. The least bad slot is usually early morning at the western end.
When does the difference between London and Seoul change?
London: Clocks go back 1 hour on Sunday, 25th October 2026, at 1:59 am local time (1:00 am after the change). Seoul does not change its clocks, so the gap shifts by an hour on that date.