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