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