| Rapid City Time | HST | |
|---|---|---|
| 01:00 AM Thursday Rapid City Time (MST) | ↔ | 10:00 PM Wednesday HST |
| 02:00 AM Thursday Rapid City Time (MST) | ↔ | 11:00 PM Wednesday HST |
| 03:00 AM Thursday Rapid City Time (MST) | ↔ | 12:00 AM Thursday HST |
| 04:00 AM Thursday Rapid City Time (MST) | ↔ | 01:00 AM Thursday HST |
| 05:00 AM Thursday Rapid City Time (MST) | ↔ | 02:00 AM Thursday HST |