| Ystrad Mynach Time | UYT | |
|---|---|---|
| 05:35 AM Saturday Ystrad Mynach Time (BST) | ↔ | 01:35 AM Saturday UYT |
| 06:35 AM Saturday Ystrad Mynach Time (BST) | ↔ | 02:35 AM Saturday UYT |
| 07:35 AM Saturday Ystrad Mynach Time (BST) | ↔ | 03:35 AM Saturday UYT |
| 08:35 AM Saturday Ystrad Mynach Time (BST) | ↔ | 04:35 AM Saturday UYT |
| 09:35 AM Saturday Ystrad Mynach Time (BST) | ↔ | 05:35 AM Saturday UYT |