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