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