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