| Calumet City Time | CLST | |
|---|---|---|
| 04:00 AM Wednesday Calumet City Time (CDT) | ↔ | 06:00 AM Wednesday CLST |
| 05:00 AM Wednesday Calumet City Time (CDT) | ↔ | 07:00 AM Wednesday CLST |
| 06:00 AM Wednesday Calumet City Time (CDT) | ↔ | 08:00 AM Wednesday CLST |
| 07:00 AM Wednesday Calumet City Time (CDT) | ↔ | 09:00 AM Wednesday CLST |
| 08:00 AM Wednesday Calumet City Time (CDT) | ↔ | 10:00 AM Wednesday CLST |