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