| Calumet City Time | GMT | |
|---|---|---|
| 12:00 PM Sunday Calumet City Time (CDT) | ↔ | 05:00 PM Sunday GMT |
| 01:00 PM Sunday Calumet City Time (CDT) | ↔ | 06:00 PM Sunday GMT |
| 02:00 PM Sunday Calumet City Time (CDT) | ↔ | 07:00 PM Sunday GMT |
| 03:00 PM Sunday Calumet City Time (CDT) | ↔ | 08:00 PM Sunday GMT |
| 04:00 PM Sunday Calumet City Time (CDT) | ↔ | 09:00 PM Sunday GMT |