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