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