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