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