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