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