| Calumet City Time | PDT | |
|---|---|---|
| 02:00 AM Tuesday Calumet City Time (CDT) | ↔ | 12:00 AM Tuesday PDT |
| 03:00 AM Tuesday Calumet City Time (CDT) | ↔ | 01:00 AM Tuesday PDT |
| 04:00 AM Tuesday Calumet City Time (CDT) | ↔ | 02:00 AM Tuesday PDT |
| 05:00 AM Tuesday Calumet City Time (CDT) | ↔ | 03:00 AM Tuesday PDT |
| 06:00 AM Tuesday Calumet City Time (CDT) | ↔ | 04:00 AM Tuesday PDT |