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