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