There are total 5 hours or 300 minutes from 8pm to 1am. In words, this duration is equal to five hours or three hundred minutes.
How many hours from
| 12AM to 9PM | 2PM to 9AM | 1PM to 8AM |
| 5PM to 1AM | 9AM to 5PM | 12AM to 5AM |
| 9PM to 10PM | 5AM to 3AM | 10AM to 2AM |
| 5PM to 12AM | 4AM to 10PM | 12PM to 5PM |
| 5PM to 4AM | 2AM to 3AM | 1AM to 8AM |
| 12AM to 3PM | 5PM to 7PM | 9PM to 11AM |
