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