| St. Catharines Time | EST | |
|---|---|---|
| 01:59 AM Monday St. Catharines Time (EDT) | ↔ | 12:59 AM Monday EST |
| 02:59 AM Monday St. Catharines Time (EDT) | ↔ | 01:59 AM Monday EST |
| 03:59 AM Monday St. Catharines Time (EDT) | ↔ | 02:59 AM Monday EST |
| 04:59 AM Monday St. Catharines Time (EDT) | ↔ | 03:59 AM Monday EST |
| 05:59 AM Monday St. Catharines Time (EDT) | ↔ | 04:59 AM Monday EST |