| Calumet City Time | UYT | |
|---|---|---|
| 01:00 AM Thursday Calumet City Time (CST) | ↔ | 04:00 AM Thursday UYT |
| 02:00 AM Thursday Calumet City Time (CST) | ↔ | 05:00 AM Thursday UYT |
| 03:00 AM Thursday Calumet City Time (CST) | ↔ | 06:00 AM Thursday UYT |
| 04:00 AM Thursday Calumet City Time (CST) | ↔ | 07:00 AM Thursday UYT |
| 05:00 AM Thursday Calumet City Time (CST) | ↔ | 08:00 AM Thursday UYT |