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