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