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