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