UTC-12 to Seoul time
When it is 10:19 PM in UTC-12 (GMT-12), it is 7:19 PM in Seoul (GMT+9).
Neither UTC-12 nor Seoul changes its clocks for daylight saving, so this conversion is stable year-round.
Good meeting window (08:00-18:00 both sides): 11:00-18:00 in UTC-12 = 08:00-15:00 in Seoul.
UTC-12 to Seoul
| UTC-12 | Seoul |
|---|---|
| 00:00 | 21:00 |
| 01:00 | 22:00 |
| 02:00 | 23:00 |
| 03:00 | 00:00 (next day) |
| 04:00 | 01:00 (next day) |
| 05:00 | 02:00 (next day) |
| 06:00 | 03:00 (next day) |
| 07:00 | 04:00 (next day) |
| 08:00 | 05:00 (next day) |
| 09:00 | 06:00 (next day) |
| 10:00 | 07:00 (next day) |
| 11:00 | 08:00 (next day) |
| 12:00 | 09:00 (next day) |
| 13:00 | 10:00 (next day) |
| 14:00 | 11:00 (next day) |
| 15:00 | 12:00 (next day) |
| 16:00 | 13:00 (next day) |
| 17:00 | 14:00 (next day) |
| 18:00 | 15:00 (next day) |
| 19:00 | 16:00 (next day) |
| 20:00 | 17:00 (next day) |
| 21:00 | 18:00 (next day) |
| 22:00 | 19:00 (next day) |
| 23:00 | 20:00 (next day) |
Seoul to UTC-12
| Seoul | UTC-12 |
|---|---|
| 00:00 | 03:00 (prev day) |
| 01:00 | 04:00 (prev day) |
| 02:00 | 05:00 (prev day) |
| 03:00 | 06:00 (prev day) |
| 04:00 | 07:00 (prev day) |
| 05:00 | 08:00 (prev day) |
| 06:00 | 09:00 (prev day) |
| 07:00 | 10:00 (prev day) |
| 08:00 | 11:00 (prev day) |
| 09:00 | 12:00 (prev day) |
| 10:00 | 13:00 (prev day) |
| 11:00 | 14:00 (prev day) |
| 12:00 | 15:00 (prev day) |
| 13:00 | 16:00 (prev day) |
| 14:00 | 17:00 (prev day) |
| 15:00 | 18:00 (prev day) |
| 16:00 | 19:00 (prev day) |
| 17:00 | 20:00 (prev day) |
| 18:00 | 21:00 (prev day) |
| 19:00 | 22:00 (prev day) |
| 20:00 | 23:00 (prev day) |
| 21:00 | 00:00 |
| 22:00 | 01:00 |
| 23:00 | 02:00 |
Open UTC-12 and Seoul in the live time-zone app
Time zone rules: IANA tzdb 2026b (pages); the live app uses your device's own rules. About accuracy