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