duckduckian
DDG is working on that for 2016 https://duck.co/blog/post/236/duckduckgo...
"Product plans for 2016 include adding time and date filters to our search results, improving the "Did You Mean" feature, and making it easier for developers to contribute so that many more useful and fun Instant Answers can continue to be added."
posted by duckduckian 2 years and 2 months ago Link