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