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