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