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