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