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