| Merthyr Tydfil Time | CLST | |
|---|---|---|
| 04:00 PM Monday Merthyr Tydfil Time (BST) | ↔ | 12:00 PM Monday CLST |
| 05:00 PM Monday Merthyr Tydfil Time (BST) | ↔ | 01:00 PM Monday CLST |
| 06:00 PM Monday Merthyr Tydfil Time (BST) | ↔ | 02:00 PM Monday CLST |
| 07:00 PM Monday Merthyr Tydfil Time (BST) | ↔ | 03:00 PM Monday CLST |
| 08:00 PM Monday Merthyr Tydfil Time (BST) | ↔ | 04:00 PM Monday CLST |