There are total 11 hours or 660 minutes from 7am to 6pm. In words, this duration is equal to eleven hours or six hundred sixty minutes.
How many hours from
| 5AM to 9AM | 8PM to 1AM | 12PM to 1PM |
| 12AM to 7AM | 7PM to 9AM | 12PM to 5AM |
| 10PM to 9PM | 12AM to 9AM | 12AM to 3PM |
| 12AM to 10AM | 12PM to 2PM | 2PM to 3PM |
| 3AM to 11AM | 1PM to 12PM | 6PM to 11PM |
| 8PM to 10PM | 3PM to 4AM | 12PM to 11PM |
