There are total 16 hours or 960 minutes from 4am to 8pm. In words, this duration is equal to sixteen hours or nine hundred sixty minutes.
How many hours from
| 6AM to 4PM | 8AM to 7PM | 5AM to 11PM |
| 5AM to 12AM | 10PM to 10AM | 12AM to 4AM |
| 2PM to 1AM | 10AM to 7AM | 4AM to 1PM |
| 9AM to 4AM | 8PM to 6AM | 12PM to 5PM |
| 9AM to 7PM | 8PM to 5PM | 10PM to 5AM |
| 7PM to 4AM | 4PM to 5PM | 5PM to 11AM |
