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
| 8AM to 12AM | 6AM to 12PM | 7PM to 11PM |
| 3AM to 11PM | 1AM to 12AM | 3AM to 11AM |
| 3AM to 6PM | 1PM to 6AM | 5AM to 1PM |
| 5AM to 9AM | 9AM to 5PM | 9PM to 5PM |
| 5PM to 7AM | 4AM to 5PM | 11PM to 5PM |
| 7AM to 12PM | 5AM to 6AM | 10PM to 2PM |
