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