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