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