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