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
| 7PM to 6PM | 4PM to 10AM | 9PM to 12PM |
| 9PM to 1PM | 10AM to 11AM | 9PM to 6PM |
| 1AM to 12AM | 5PM to 7PM | 7AM to 11AM |
| 6PM to 8AM | 9PM to 8AM | 3PM to 6PM |
| 5PM to 3PM | 7AM to 7PM | 12AM to 7PM |
| 12AM to 11PM | 3AM to 3PM | 6PM to 11AM |