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