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