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