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