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