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