There are total 12 hours or 720 minutes from 1pm to 1am. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 12PM to 12AM | 10AM to 2AM | 12PM to 10PM |
| 8AM to 11AM | 9PM to 4AM | 10PM to 11PM |
| 4PM to 10PM | 5PM to 6AM | 4AM to 8AM |
| 4AM to 7PM | 9AM to 2AM | 10AM to 4PM |
| 4AM to 8AM | 6AM to 8PM | 3AM to 1AM |
| 4PM to 5AM | 3AM to 2PM | 5AM to 4PM |
