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