London ↔ Seoul: working-hours overlap
London20:00Seoul
London
GMT+1 · BSTbase
Seoul
GMT+9
+1 day
Work hours
Date
Time difference
Seoul is 8 hours ahead of London. London is on GMT+1 · BST and Seoul is on GMT+9 right now.
Best time to call
There is no window where both places are inside 09:00–17:00; the nearest compromise is 01:00–09:00 in London (09:00–17:00 in Seoul).
Daylight saving
The gap between London and Seoul changes with daylight saving: across the year it ranges from 8 hours to 9 hours (differences are widest for a few weeks around the spring and autumn clock changes, when only one side has shifted).
London → Seoul conversion table
| London | Seoul |
|---|---|
| 00:00 | 08:00 |
| 01:00 | 09:00 |
| 02:00 | 10:00 |
| 03:00 | 11:00 |
| 04:00 | 12:00 |
| 05:00 | 13:00 |
| 06:00 | 14:00 |
| 07:00 | 15:00 |
| 08:00 | 16:00 |
| 09:00 | 17:00 |
| 10:00 | 18:00 |
| 11:00 | 19:00 |
| 12:00 | 20:00 |
| 13:00 | 21:00 |
| 14:00 | 22:00 |
| 15:00 | 23:00 |
| 16:00 | 00:00 +1 day |
| 17:00 | 01:00 +1 day |
| 18:00 | 02:00 +1 day |
| 19:00 | 03:00 +1 day |
| 20:00 | 04:00 +1 day |
| 21:00 | 05:00 +1 day |
| 22:00 | 06:00 +1 day |
| 23:00 | 07:00 +1 day |
Rows highlighted in green fall inside 09:00–17:00 in both places.