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