There are total 13 hours or 780 minutes from 1am to 2pm. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 1AM to 7AM | 2PM to 7PM | 11PM to 8PM |
| 8PM to 11AM | 4AM to 5PM | 10AM to 2PM |
| 2PM to 7PM | 5PM to 1PM | 4PM to 8AM |
| 9AM to 8AM | 9PM to 11PM | 5AM to 10AM |
| 12PM to 4AM | 9AM to 12PM | 10PM to 7AM |
| 9PM to 1AM | 7PM to 9AM | 9PM to 7PM |
