There are total 8 hours or 480 minutes from 8am to 4pm. In words, this duration is equal to eight hours or four hundred eighty minutes.
How many hours from
| 5PM to 9AM | 9PM to 6PM | 8PM to 11PM |
| 5PM to 10AM | 11PM to 12PM | 6AM to 2PM |
| 11AM to 6AM | 9PM to 12AM | 12AM to 6AM |
| 4PM to 2PM | 5PM to 9AM | 3AM to 6PM |
| 8AM to 5AM | 7PM to 8AM | 10PM to 7PM |
| 7PM to 11PM | 12AM to 8PM | 10PM to 12PM |
