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