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