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