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
| 4AM to 9AM | 1PM to 5AM | 6AM to 8AM |
| 8AM to 11PM | 9AM to 10PM | 5PM to 11AM |
| 12AM to 11AM | 7AM to 6PM | 6AM to 10AM |
| 11PM to 9PM | 3AM to 3PM | 9AM to 3AM |
| 6PM to 9AM | 6AM to 5PM | 8AM to 6AM |
| 5PM to 4PM | 3AM to 11AM | 7PM to 8PM |
