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