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

Other days

believe

Believe Day
eat what you want

Eat What You Want Day
cursing

Cursing Day
gum

Gum Day
cuddle up

Cuddle Up Day
stud

Stud Day
cat girl

Cat Girl Day
ask out your crush

Ask Out Your Crush Day
china

China Day
offer

Offer Day