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