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