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