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