There are total 11 hours or 660 minutes from 8am to 7pm. In words, this duration is equal to eleven hours or six hundred sixty minutes.
How many hours from
| 3AM to 10PM | 8AM to 2AM | 10AM to 1AM |
| 10AM to 5PM | 8PM to 6AM | 3PM to 7PM |
| 2PM to 12AM | 3AM to 2PM | 2PM to 8AM |
| 8AM to 10AM | 2AM to 3AM | 10PM to 10AM |
| 10AM to 8AM | 10PM to 9PM | 7PM to 3PM |
| 3PM to 1AM | 10AM to 9AM | 2PM to 5AM |
