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