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