| Alton Time | UTC | |
|---|---|---|
| 09:00 PM Wednesday Alton Time (CDT) | ↔ | 02:00 AM Thursday UTC |
| 10:00 PM Wednesday Alton Time (CDT) | ↔ | 03:00 AM Thursday UTC |
| 11:00 PM Wednesday Alton Time (CDT) | ↔ | 04:00 AM Thursday UTC |
| 12:00 AM Thursday Alton Time (CDT) | ↔ | 05:00 AM Thursday UTC |
| 01:00 AM Thursday Alton Time (CDT) | ↔ | 06:00 AM Thursday UTC |