| Porthmadog Time | EET | |
|---|---|---|
| 12:00 AM Saturday Porthmadog Time (BST) | ↔ | 01:00 AM Saturday EET |
| 01:00 AM Saturday Porthmadog Time (BST) | ↔ | 02:00 AM Saturday EET |
| 02:00 AM Saturday Porthmadog Time (BST) | ↔ | 03:00 AM Saturday EET |
| 03:00 AM Saturday Porthmadog Time (BST) | ↔ | 04:00 AM Saturday EET |
| 04:00 AM Saturday Porthmadog Time (BST) | ↔ | 05:00 AM Saturday EET |