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