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