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