There are total 11 hours or 660 minutes from 1am to 12pm. In words, this duration is equal to eleven hours or six hundred sixty minutes.
How many hours from
| 12PM to 4PM | 1PM to 12AM | 8AM to 11PM |
| 1AM to 7PM | 12AM to 11AM | 2PM to 2AM |
| 3AM to 4PM | 8PM to 7PM | 4AM to 7PM |
| 7PM to 9PM | 5PM to 12AM | 1PM to 4PM |
| 9PM to 8PM | 4AM to 10AM | 3PM to 8PM |
| 10PM to 9AM | 3AM to 2PM | 4AM to 8AM |
