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