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