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