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