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