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

