There are total 22 hours or 1320 minutes from 9pm to 7pm. In words, this duration is equal to twenty-two hours or one thousand three hundred twenty minutes.
How many hours from
| 11AM to 10AM | 9AM to 6AM | 12AM to 11AM |
| 12PM to 1PM | 4AM to 4PM | 1AM to 2AM |
| 3AM to 12AM | 11PM to 8PM | 4PM to 3PM |
| 10AM to 3AM | 1AM to 5PM | 1AM to 5PM |
| 12AM to 2AM | 1AM to 12PM | 10PM to 10AM |
| 6AM to 5PM | 1PM to 7PM | 9AM to 12PM |
