There are total 13 hours or 780 minutes from 9am to 10pm. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 11PM to 6AM | 2AM to 10AM | 2AM to 1PM |
| 5PM to 11PM | 2PM to 5AM | 7PM to 1PM |
| 8PM to 2AM | 11PM to 8PM | 4AM to 5AM |
| 3AM to 8AM | 1PM to 12PM | 12PM to 7AM |
| 1AM to 8AM | 5AM to 10AM | 2AM to 5PM |
| 1PM to 7AM | 6PM to 11AM | 9PM to 1PM |