| Porthmadog Time | KST | |
|---|---|---|
| 11:16 PM Sunday Porthmadog Time (BST) | ↔ | 07:16 AM Monday KST |
| 12:16 AM Monday Porthmadog Time (BST) | ↔ | 08:16 AM Monday KST |
| 01:16 AM Monday Porthmadog Time (BST) | ↔ | 09:16 AM Monday KST |
| 02:16 AM Monday Porthmadog Time (BST) | ↔ | 10:16 AM Monday KST |
| 03:16 AM Monday Porthmadog Time (BST) | ↔ | 11:16 AM Monday KST |