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