There are total 3 hours or 180 minutes from 9am to 12pm. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 2AM to 12PM | 5AM to 2AM | 9PM to 11AM |
| 1AM to 9PM | 6AM to 7AM | 9PM to 10AM |
| 3PM to 2AM | 8PM to 11PM | 10PM to 1PM |
| 12PM to 4AM | 11PM to 7AM | 6AM to 4PM |
| 7PM to 5AM | 10PM to 9AM | 10AM to 1AM |
| 11AM to 9AM | 5AM to 3AM | 9AM to 12AM |
