Duskian is a non-binary gender from the galactian alignment system. It is similar to lunarian except it only has a partial connection to lunarian. It's is considered the demigender version of lunarian.
The solarian version of duskian is dawnian. The stellarian version is celestian.
History
The term duskian was coined by in an anonymous submission to the Tumblr blog ask-pride-color-schemes in 2017[1].