There are total 14 hours or 840 minutes from 7am to 9pm. In words, this duration is equal to fourteen hours or eight hundred forty minutes.
How many hours from
| 9PM to 10AM | 12PM to 3AM | 10AM to 3PM |
| 11PM to 11AM | 3PM to 2AM | 4PM to 1AM |
| 10AM to 7AM | 12PM to 1PM | 7AM to 7PM |
| 12AM to 3AM | 7PM to 10PM | 6AM to 1AM |
| 2PM to 4PM | 4PM to 9PM | 4PM to 8AM |
| 2PM to 8PM | 7PM to 9AM | 4AM to 1AM |
