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