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