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