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