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