There are total 2 hours or 120 minutes from 7pm to 9pm. In words, this duration is equal to two hours or one hundred twenty minutes.
How many hours from
| 10PM to 7AM | 11PM to 12AM | 12AM to 11PM |
| 2AM to 8PM | 6AM to 6PM | 7AM to 4AM |
| 10PM to 4PM | 12AM to 7PM | 3AM to 8AM |
| 5AM to 7PM | 11AM to 8PM | 2PM to 9AM |
| 4PM to 6PM | 3AM to 12AM | 6PM to 7PM |
| 2PM to 12AM | 10PM to 4PM | 5AM to 2PM |
