There are total 8 hours or 480 minutes from 9pm to 5am. In words, this duration is equal to eight hours or four hundred eighty minutes.
How many hours from
| 8PM to 8AM | 8AM to 12AM | 8AM to 10PM |
| 12PM to 3PM | 1AM to 11PM | 1AM to 4AM |
| 7AM to 8AM | 5AM to 12AM | 9AM to 11AM |
| 6AM to 10AM | 4PM to 5PM | 10PM to 12AM |
| 7PM to 3PM | 11PM to 9PM | 10AM to 6AM |
| 6PM to 4PM | 6AM to 1AM | 9AM to 11PM |