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