Oops, it doesn't look like 'ooc day' is a national day..

Other days

stud

Stud Day
cuddle up

Cuddle Up Day
aloxolt

Aloxolt Day
blanket fort

Blanket Fort Day
fiancee

Fiancee Day
kiss a ginger

Kiss A Ginger Day
bonang

Bonang Day
believe

Believe Day
boba

Boba Day
ormille

Ormille Day