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