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