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