There are total 12 hours or 720 minutes from 7am to 7pm. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 5PM to 10PM | 7AM to 7PM | 12PM to 9PM |
| 11AM to 7AM | 1PM to 11PM | 7PM to 10PM |
| 6PM to 4PM | 11PM to 5PM | 11PM to 8PM |
| 7AM to 9AM | 9AM to 6AM | 7PM to 1PM |
| 10AM to 6AM | 11AM to 5AM | 6PM to 10AM |
| 4PM to 7PM | 4AM to 4PM | 10PM to 2AM |