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