There are total 23 hours or 1380 minutes from 9pm to 8pm. In words, this duration is equal to twenty-three hours or one thousand three hundred eighty minutes.
How many hours from
| 8PM to 9PM | 11AM to 9PM | 8PM to 10PM |
| 6PM to 1PM | 9PM to 10AM | 4PM to 12PM |
| 12PM to 11PM | 2AM to 4AM | 10AM to 5PM |
| 9PM to 8PM | 7AM to 2AM | 8PM to 4PM |
| 9AM to 9PM | 2AM to 12AM | 2PM to 10AM |
| 8AM to 2PM | 2PM to 6AM | 12AM to 10PM |
