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