| Gretna Time | NZST | |
|---|---|---|
| 04:00 PM Monday Gretna Time (BST) | ↔ | 03:00 AM Tuesday NZST |
| 05:00 PM Monday Gretna Time (BST) | ↔ | 04:00 AM Tuesday NZST |
| 06:00 PM Monday Gretna Time (BST) | ↔ | 05:00 AM Tuesday NZST |
| 07:00 PM Monday Gretna Time (BST) | ↔ | 06:00 AM Tuesday NZST |
| 08:00 PM Monday Gretna Time (BST) | ↔ | 07:00 AM Tuesday NZST |