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