Gendernocturne is a xenogender similar to genderminor. It is dark, solemn, and sad, with a deep connection to nightime. It could also be a musicgender, relating to dark, haunting melodies.
History
Gendernocturne was coined on July 21, 2014 by no-bucks-for-this-doe on tumblr.
Flag
The gendernocturne flag was created on March 21, 2019 by tumblr user minromantic. It is unknown if it has a meaning.