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