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
| 6PM to 12AM | 10PM to 4PM | 12PM to 8PM |
| 9AM to 9PM | 12AM to 4PM | 7PM to 4PM |
| 4AM to 1AM | 11AM to 12PM | 12PM to 4AM |
| 10AM to 6PM | 3PM to 9PM | 7AM to 11PM |
| 3PM to 2AM | 2PM to 10PM | 11PM to 10AM |
| 2AM to 6PM | 3AM to 6AM | 9PM to 2PM |