| Calumet City Time | SAST | |
|---|---|---|
| 10:00 PM Sunday Calumet City Time (CDT) | ↔ | 05:00 AM Monday SAST |
| 11:00 PM Sunday Calumet City Time (CDT) | ↔ | 06:00 AM Monday SAST |
| 12:00 AM Monday Calumet City Time (CDT) | ↔ | 07:00 AM Monday SAST |
| 01:00 AM Monday Calumet City Time (CDT) | ↔ | 08:00 AM Monday SAST |
| 02:00 AM Monday Calumet City Time (CDT) | ↔ | 09:00 AM Monday SAST |