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