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