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