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