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