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