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