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