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