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