There are total 16 hours or 960 minutes from 8am to 12am. In words, this duration is equal to sixteen hours or nine hundred sixty minutes.
How many hours from
| 1AM to 8PM | 7AM to 11PM | 9PM to 5PM |
| 8AM to 1PM | 10PM to 4PM | 9AM to 11AM |
| 8PM to 4AM | 3AM to 7PM | 10PM to 9PM |
| 11PM to 4PM | 1PM to 3PM | 5AM to 9PM |
| 7AM to 8PM | 9PM to 5PM | 11PM to 7PM |
| 5PM to 3AM | 5PM to 10PM | 10PM to 4AM |
