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