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