There are total 9 hours or 540 minutes from 10pm to 7am. In words, this duration is equal to nine hours or five hundred forty minutes.
How many hours from
| 9PM to 10AM | 3PM to 2PM | 9PM to 10PM |
| 1AM to 7PM | 7PM to 7AM | 12PM to 11PM |
| 8PM to 7AM | 8PM to 6AM | 4PM to 11PM |
| 1PM to 2PM | 4AM to 12PM | 12PM to 2PM |
| 12PM to 5AM | 4AM to 1AM | 7AM to 4AM |
| 10AM to 4PM | 11AM to 11PM | 1PM to 12AM |
