| Merthyr Tydfil Time | Philadelphia Time | |
|---|---|---|
| 04:40 AM Wednesday Merthyr Tydfil | ↔ | 11:40 PM Tuesday Philadelphia |
| 05:40 AM Wednesday Merthyr Tydfil | ↔ | 12:40 AM Wednesday Philadelphia |
| 06:40 AM Wednesday Merthyr Tydfil | ↔ | 01:40 AM Wednesday Philadelphia |
| 07:40 AM Wednesday Merthyr Tydfil | ↔ | 02:40 AM Wednesday Philadelphia |
| 08:40 AM Wednesday Merthyr Tydfil | ↔ | 03:40 AM Wednesday Philadelphia |