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