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