| Sarnia Time | HDT | |
|---|---|---|
| 12:00 AM Tuesday Sarnia Time (EDT) | ↔ | 07:00 PM Monday HDT |
| 01:00 AM Tuesday Sarnia Time (EDT) | ↔ | 08:00 PM Monday HDT |
| 02:00 AM Tuesday Sarnia Time (EDT) | ↔ | 09:00 PM Monday HDT |
| 03:00 AM Tuesday Sarnia Time (EDT) | ↔ | 10:00 PM Monday HDT |
| 04:00 AM Tuesday Sarnia Time (EDT) | ↔ | 11:00 PM Monday HDT |