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