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
| 6AM to 12AM | 12AM to 3AM | 2PM to 8AM |
| 9PM to 9AM | 8AM to 6AM | 6AM to 4AM |
| 1AM to 12AM | 2PM to 12AM | 9PM to 5PM |
| 12AM to 11PM | 2PM to 6AM | 7PM to 3AM |
| 8PM to 5AM | 3PM to 10PM | 1PM to 5AM |
| 8AM to 3PM | 4AM to 10PM | 10PM to 9AM |
