| Koumac Time | NZST | |
|---|---|---|
| 12:00 AM Tuesday Koumac Time (NCT) | ↔ | 01:00 AM Tuesday NZST |
| 01:00 AM Tuesday Koumac Time (NCT) | ↔ | 02:00 AM Tuesday NZST |
| 02:00 AM Tuesday Koumac Time (NCT) | ↔ | 03:00 AM Tuesday NZST |
| 03:00 AM Tuesday Koumac Time (NCT) | ↔ | 04:00 AM Tuesday NZST |
| 04:00 AM Tuesday Koumac Time (NCT) | ↔ | 05:00 AM Tuesday NZST |