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