There are total 11 hours or 660 minutes from 1am to 12pm. In words, this duration is equal to eleven hours or six hundred sixty minutes.
How many hours from
| 12AM to 12PM | 3PM to 5PM | 5PM to 6AM |
| 8AM to 9AM | 6AM to 9PM | 4AM to 9PM |
| 4AM to 8PM | 12PM to 12AM | 8PM to 6AM |
| 6AM to 12AM | 8AM to 2AM | 1AM to 7PM |
| 8AM to 1PM | 10PM to 3PM | 11PM to 4AM |
| 1AM to 4AM | 10PM to 1AM | 11PM to 8PM |
