There are total 13 hours or 780 minutes from 9pm to 10am. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 7PM to 5PM | 3AM to 4PM | 7AM to 5AM |
| 8AM to 10PM | 1AM to 12AM | 1PM to 10PM |
| 7PM to 9PM | 3PM to 3AM | 11PM to 8PM |
| 3PM to 12PM | 11AM to 2PM | 11PM to 10AM |
| 10PM to 8AM | 7AM to 8AM | 6PM to 2PM |
| 1PM to 8AM | 11PM to 4PM | 7PM to 3PM |