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