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