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