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