There are total 18 hours or 1080 minutes from 6pm to 12pm. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 4AM to 8AM | 2PM to 10AM | 4PM to 11PM |
| 8PM to 7AM | 9PM to 10AM | 8PM to 9AM |
| 9PM to 10AM | 4AM to 9AM | 2PM to 8AM |
| 4PM to 7AM | 12AM to 5AM | 3PM to 8AM |
| 5AM to 1AM | 6PM to 9PM | 11AM to 7PM |
| 12AM to 6PM | 4PM to 2PM | 5AM to 1PM |
