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