Diurnalsexual is a term for those who feel that their sexual attraction is stronger during the day and weakens during the night, or simply doesn't exist at night.
The counterpart of diurnalsexual is nocturnalsexual.
History
Diurnalsexual was coined by FANDOM users Stardustcollective and Acornfig on November 21st, 2021 after seeing that nocturnalsexual did not have a counterpart.[1]