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