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