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