| Chicago Ridge Time | MDT | |
|---|---|---|
| 01:00 AM Monday Chicago Ridge Time (CDT) | ↔ | 12:00 AM Monday MDT |
| 02:00 AM Monday Chicago Ridge Time (CDT) | ↔ | 01:00 AM Monday MDT |
| 03:00 AM Monday Chicago Ridge Time (CDT) | ↔ | 02:00 AM Monday MDT |
| 04:00 AM Monday Chicago Ridge Time (CDT) | ↔ | 03:00 AM Monday MDT |
| 05:00 AM Monday Chicago Ridge Time (CDT) | ↔ | 04:00 AM Monday MDT |