There are total 16 hours or 960 minutes from 9am to 1am. In words, this duration is equal to sixteen hours or nine hundred sixty minutes.
How many hours from
| 5AM to 5PM | 5AM to 8PM | 12PM to 6PM |
| 6PM to 6AM | 2PM to 2AM | 1AM to 9PM |
| 5AM to 8AM | 10AM to 6AM | 7PM to 11AM |
| 12AM to 7PM | 3PM to 2AM | 12AM to 12PM |
| 8PM to 9AM | 5AM to 5PM | 1PM to 4AM |
| 10AM to 4AM | 6AM to 4AM | 11PM to 12PM |
