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