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