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