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