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