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