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

Other days

self care

Self Care Day
girl friend

Girl Friend Day
cuddle up

Cuddle Up Day
gum

Gum Day
aloxolt

Aloxolt Day
kiss a brunette

Kiss A Brunette Day
first love

First Love Day
boyfriend

Boyfriend Day
cat girl

Cat Girl Day
brow

Brow Day