There are total 14 hours or 840 minutes from 7pm to 9am. In words, this duration is equal to fourteen hours or eight hundred forty minutes.
How many hours from
| 11PM to 9PM | 12AM to 7AM | 1AM to 9PM |
| 11PM to 7AM | 10PM to 5AM | 9AM to 5AM |
| 5AM to 4AM | 9AM to 11PM | 3AM to 9AM |
| 10PM to 2AM | 5AM to 7PM | 1AM to 2AM |
| 7AM to 7PM | 9AM to 3AM | 7PM to 12AM |
| 4AM to 12PM | 9AM to 1PM | 8PM to 9AM |
