There are total 2 hours or 120 minutes from 6pm to 8pm. In words, this duration is equal to two hours or one hundred twenty minutes.
How many hours from
| 9AM to 1AM | 12AM to 4PM | 5PM to 4AM |
| 4AM to 12PM | 10AM to 7AM | 1PM to 7AM |
| 1PM to 12AM | 6AM to 5PM | 6PM to 2AM |
| 9PM to 10PM | 11PM to 7PM | 8AM to 3PM |
| 11PM to 8AM | 8AM to 12AM | 3AM to 8PM |
| 1PM to 10AM | 7PM to 12PM | 3AM to 5AM |