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