There are total 11 hours or 660 minutes from 10pm to 9am. In words, this duration is equal to eleven hours or six hundred sixty minutes.
How many hours from
| 3PM to 7PM | 12AM to 7AM | 3PM to 4PM |
| 11PM to 5AM | 2AM to 7AM | 5AM to 6PM |
| 1AM to 2AM | 1PM to 5AM | 6AM to 5PM |
| 7PM to 4AM | 2AM to 7PM | 5PM to 2AM |
| 10AM to 4PM | 3AM to 11PM | 4AM to 2AM |
| 12AM to 5PM | 12PM to 1AM | 1PM to 10PM |
