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
| 9PM to 5PM | 8PM to 5PM | 12PM to 8AM |
| 10PM to 11PM | 12AM to 10AM | 1PM to 1AM |
| 4PM to 5PM | 9AM to 3PM | 10AM to 3PM |
| 8PM to 4AM | 1PM to 9AM | 1AM to 8PM |
| 5PM to 9AM | 8PM to 1AM | 12AM to 1PM |
| 2PM to 7AM | 3AM to 8PM | 5PM to 10AM |
