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