There are total 15 hours or 900 minutes from 6pm to 9am. In words, this duration is equal to fifteen hours or nine hundred minutes.
How many hours from
| 2PM to 12AM | 6AM to 2AM | 8PM to 5PM |
| 3AM to 10PM | 8PM to 3AM | 7PM to 6AM |
| 6AM to 3PM | 11PM to 6AM | 5AM to 2AM |
| 6AM to 1AM | 9PM to 10AM | 12PM to 5AM |
| 7PM to 10PM | 12PM to 11AM | 8PM to 4AM |
| 5PM to 8PM | 11PM to 7PM | 12AM to 10AM |
