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