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