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