| Calumet City Time | CLST | |
|---|---|---|
| 01:00 AM Wednesday Calumet City Time (CDT) | ↔ | 03:00 AM Wednesday CLST |
| 02:00 AM Wednesday Calumet City Time (CDT) | ↔ | 04:00 AM Wednesday CLST |
| 03:00 AM Wednesday Calumet City Time (CDT) | ↔ | 05:00 AM Wednesday 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 |