Mata-Utu to Seoul time
When it is 11:15 PM in Mata-Utu (GMT+12), it is 8:15 PM in Seoul (GMT+9).
Neither Mata-Utu 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 Mata-Utu = 08:00-15:00 in Seoul.
Mata-Utu to Seoul
| Mata-Utu | Seoul |
|---|---|
| 00:00 | 21:00 (prev day) |
| 01:00 | 22:00 (prev day) |
| 02:00 | 23:00 (prev day) |
| 03:00 | 00:00 |
| 04:00 | 01:00 |
| 05:00 | 02:00 |
| 06:00 | 03:00 |
| 07:00 | 04:00 |
| 08:00 | 05:00 |
| 09:00 | 06:00 |
| 10:00 | 07:00 |
| 11:00 | 08:00 |
| 12:00 | 09:00 |
| 13:00 | 10:00 |
| 14:00 | 11:00 |
| 15:00 | 12:00 |
| 16:00 | 13:00 |
| 17:00 | 14:00 |
| 18:00 | 15:00 |
| 19:00 | 16:00 |
| 20:00 | 17:00 |
| 21:00 | 18:00 |
| 22:00 | 19:00 |
| 23:00 | 20:00 |
Seoul to Mata-Utu
| Seoul | Mata-Utu |
|---|---|
| 00:00 | 03:00 |
| 01:00 | 04:00 |
| 02:00 | 05:00 |
| 03:00 | 06:00 |
| 04:00 | 07:00 |
| 05:00 | 08:00 |
| 06:00 | 09:00 |
| 07:00 | 10:00 |
| 08:00 | 11:00 |
| 09:00 | 12:00 |
| 10:00 | 13:00 |
| 11:00 | 14:00 |
| 12:00 | 15:00 |
| 13:00 | 16:00 |
| 14:00 | 17:00 |
| 15:00 | 18:00 |
| 16:00 | 19:00 |
| 17:00 | 20:00 |
| 18:00 | 21:00 |
| 19:00 | 22:00 |
| 20:00 | 23:00 |
| 21:00 | 00:00 (next day) |
| 22:00 | 01:00 (next day) |
| 23:00 | 02:00 (next day) |
Open Mata-Utu 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