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