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