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