There are total 1 hours or 60 minutes from 8pm to 9pm. In words, this duration is equal to one hours or sixty minutes.
How many hours from
| 11PM to 10AM | 12AM to 6AM | 9PM to 8AM |
| 10PM to 7AM | 3AM to 12AM | 2PM to 8PM |
| 5PM to 1PM | 11AM to 6AM | 8PM to 9PM |
| 4AM to 11AM | 6AM to 2PM | 4PM to 9PM |
| 12AM to 8AM | 12AM to 9AM | 12PM to 11AM |
| 3AM to 9AM | 8AM to 8PM | 3PM to 10PM |
