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