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