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