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