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