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