Seoul to Chatham Islands time
When it is 6:27 PM in Seoul (GMT+9), it is 10:12 PM in Chatham Islands (GMT+12:45).
Seoul is usually 4 hours 45 minutes behind Chatham Islands. Until 26 September 2026 the gap is 3 hours 45 minutes. From 3 April 2027 to 25 September 2027 the gap narrows to 3 hours 45 minutes. From 1 April 2028 to 23 September 2028 the gap narrows to 3 hours 45 minutes.
Good meeting window (08:00-18:00 both sides): 08:00-14:15 in Seoul = 11:45-18:00 in Chatham Islands.
Seoul to Chatham Islands
| Seoul | Chatham Islands |
|---|---|
| 00:00 | 03:45 |
| 01:00 | 04:45 |
| 02:00 | 05:45 |
| 03:00 | 06:45 |
| 04:00 | 07:45 |
| 05:00 | 08:45 |
| 06:00 | 09:45 |
| 07:00 | 10:45 |
| 08:00 | 11:45 |
| 09:00 | 12:45 |
| 10:00 | 13:45 |
| 11:00 | 14:45 |
| 12:00 | 15:45 |
| 13:00 | 16:45 |
| 14:00 | 17:45 |
| 15:00 | 18:45 |
| 16:00 | 19:45 |
| 17:00 | 20:45 |
| 18:00 | 21:45 |
| 19:00 | 22:45 |
| 20:00 | 23:45 |
| 21:00 | 00:45 (next day) |
| 22:00 | 01:45 (next day) |
| 23:00 | 02:45 (next day) |
Chatham Islands to Seoul
| Chatham Islands | Seoul |
|---|---|
| 00:00 | 20:15 (prev day) |
| 01:00 | 21:15 (prev day) |
| 02:00 | 22:15 (prev day) |
| 03:00 | 23:15 (prev day) |
| 04:00 | 00:15 |
| 05:00 | 01:15 |
| 06:00 | 02:15 |
| 07:00 | 03:15 |
| 08:00 | 04:15 |
| 09:00 | 05:15 |
| 10:00 | 06:15 |
| 11:00 | 07:15 |
| 12:00 | 08:15 |
| 13:00 | 09:15 |
| 14:00 | 10:15 |
| 15:00 | 11:15 |
| 16:00 | 12:15 |
| 17:00 | 13:15 |
| 18:00 | 14:15 |
| 19:00 | 15:15 |
| 20:00 | 16:15 |
| 21:00 | 17:15 |
| 22:00 | 18:15 |
| 23:00 | 19:15 |
Open Seoul and Chatham Islands in the live time-zone app
Time zone rules: IANA tzdb 2026b (pages); the live app uses your device's own rules. About accuracy