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
| 1PM to 4AM | 9AM to 7AM | 8PM to 4PM |
| 11AM to 8PM | 10AM to 2AM | 1AM to 12AM |
| 5AM to 7PM | 3AM to 2PM | 5PM to 4AM |
| 3PM to 1PM | 4PM to 9AM | 2AM to 6PM |
| 12PM to 11AM | 7PM to 4AM | 9PM to 2AM |
| 12PM to 1AM | 12PM to 3AM | 9AM to 8AM |
