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