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