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