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