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