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