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