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