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