There are total 9 hours or 540 minutes from 7am to 4pm. In words, this duration is equal to nine hours or five hundred forty minutes.
How many hours from
| 9PM to 4AM | 5AM to 1AM | 9AM to 6PM |
| 8AM to 12AM | 5PM to 10PM | 3AM to 1AM |
| 12AM to 9AM | 6AM to 1PM | 1PM to 7PM |
| 4AM to 11AM | 7AM to 1AM | 5AM to 1PM |
| 9AM to 1PM | 4AM to 7AM | 9AM to 7PM |
| 1AM to 7AM | 12PM to 7AM | 11AM to 2AM |
