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