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