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