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