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