| Chicago Ridge Time | PDT | |
|---|---|---|
| 12:00 AM Friday Chicago Ridge Time (CDT) | ↔ | 10:00 PM Thursday PDT |
| 01:00 AM Friday Chicago Ridge Time (CDT) | ↔ | 11:00 PM Thursday PDT |
| 02:00 AM Friday Chicago Ridge Time (CDT) | ↔ | 12:00 AM Friday PDT |
| 03:00 AM Friday Chicago Ridge Time (CDT) | ↔ | 01:00 AM Friday PDT |
| 04:00 AM Friday Chicago Ridge Time (CDT) | ↔ | 02:00 AM Friday PDT |