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