There are total 14 hours or 840 minutes from 8am to 10pm. In words, this duration is equal to fourteen hours or eight hundred forty minutes.
How many hours from
| 9AM to 7PM | 4PM to 7AM | 1PM to 9PM |
| 1PM to 6PM | 9AM to 12PM | 10AM to 9PM |
| 7PM to 3AM | 9AM to 3PM | 10AM to 11AM |
| 7AM to 8AM | 11AM to 6PM | 11AM to 3PM |
| 7PM to 2AM | 4AM to 8AM | 11AM to 5PM |
| 3PM to 7AM | 5PM to 5AM | 1AM to 4AM |
