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