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