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