There are total 13 hours or 780 minutes from 1pm to 2am. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 3AM to 4PM | 4PM to 8AM | 6AM to 3AM |
| 10PM to 7AM | 5PM to 4PM | 3AM to 10AM |
| 2PM to 4AM | 7PM to 1AM | 1PM to 9AM |
| 2AM to 9AM | 10AM to 8PM | 8AM to 10AM |
| 10AM to 9PM | 8AM to 11AM | 2PM to 12AM |
| 7PM to 6AM | 9AM to 10PM | 2AM to 6PM |
