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