| Sarnia Time | MDT | |
|---|---|---|
| 04:00 AM Monday Sarnia Time (EDT) | ↔ | 02:00 AM Monday MDT |
| 05:00 AM Monday Sarnia Time (EDT) | ↔ | 03:00 AM Monday MDT |
| 06:00 AM Monday Sarnia Time (EDT) | ↔ | 04:00 AM Monday MDT |
| 07:00 AM Monday Sarnia Time (EDT) | ↔ | 05:00 AM Monday MDT |
| 08:00 AM Monday Sarnia Time (EDT) | ↔ | 06:00 AM Monday MDT |