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