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