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