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