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