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