There are total 2 hours or 120 minutes from 9pm to 11pm. In words, this duration is equal to two hours or one hundred twenty minutes.
How many hours from
| 12AM to 7AM | 11PM to 12PM | 3AM to 10PM |
| 4AM to 8PM | 11PM to 5AM | 4AM to 7AM |
| 4AM to 2PM | 7PM to 5AM | 2AM to 5PM |
| 4AM to 2PM | 12PM to 3AM | 11AM to 10PM |
| 3AM to 5AM | 3PM to 4AM | 5AM to 6AM |
| 4AM to 7PM | 9AM to 10AM | 8PM to 9PM |
