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