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