| Sarnia Time | HDT | |
|---|---|---|
| 03:00 AM Monday Sarnia Time (EDT) | ↔ | 10:00 PM Sunday HDT |
| 04:00 AM Monday Sarnia Time (EDT) | ↔ | 11:00 PM Sunday HDT |
| 05:00 AM Monday Sarnia Time (EDT) | ↔ | 12:00 AM Monday HDT |
| 06:00 AM Monday Sarnia Time (EDT) | ↔ | 01:00 AM Monday HDT |
| 07:00 AM Monday Sarnia Time (EDT) | ↔ | 02:00 AM Monday HDT |