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