| Chicago Ridge Time | IDT | |
|---|---|---|
| 10:00 PM Friday Chicago Ridge Time (CDT) | ↔ | 06:00 AM Saturday IDT |
| 11:00 PM Friday Chicago Ridge Time (CDT) | ↔ | 07:00 AM Saturday IDT |
| 12:00 AM Saturday Chicago Ridge Time (CDT) | ↔ | 08:00 AM Saturday IDT |
| 01:00 AM Saturday Chicago Ridge Time (CDT) | ↔ | 09:00 AM Saturday IDT |
| 02:00 AM Saturday Chicago Ridge Time (CDT) | ↔ | 10:00 AM Saturday IDT |