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