| Sarnia Time | UTC | |
|---|---|---|
| 11:00 PM Thursday Sarnia Time (EDT) | ↔ | 03:00 AM Friday UTC |
| 12:00 AM Friday Sarnia Time (EDT) | ↔ | 04:00 AM Friday UTC |
| 01:00 AM Friday Sarnia Time (EDT) | ↔ | 05:00 AM Friday UTC |
| 02:00 AM Friday Sarnia Time (EDT) | ↔ | 06:00 AM Friday UTC |
| 03:00 AM Friday Sarnia Time (EDT) | ↔ | 07:00 AM Friday UTC |