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