There are total 3 hours or 180 minutes from 9pm to 12am. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 4AM to 2PM | 12AM to 1PM | 7PM to 9PM |
| 1AM to 3AM | 3PM to 9PM | 12PM to 11AM |
| 8PM to 1AM | 7PM to 9PM | 7AM to 11PM |
| 5PM to 1PM | 7AM to 12PM | 11AM to 4PM |
| 3PM to 9AM | 10AM to 5PM | 8AM to 3PM |
| 7AM to 10AM | 8AM to 7PM | 12AM to 3AM |
