There are total 3 hours or 180 minutes from 6pm to 9pm. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 7AM to 4AM | 8PM to 4AM | 10PM to 7PM |
| 3AM to 11AM | 10AM to 11PM | 2AM to 9AM |
| 2AM to 11PM | 11PM to 9PM | 5PM to 7PM |
| 12PM to 1AM | 1AM to 5PM | 1AM to 4AM |
| 6PM to 4AM | 8AM to 9PM | 4PM to 11AM |
| 11PM to 2AM | 11PM to 4PM | 10AM to 4PM |
