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