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

Other days

pumpkin

Pumpkin Day
martini

Martini Day
my little pony

My Little Pony Day
girl friend

Girl Friend Day
mean girls

Mean Girls Day
self care

Self Care Day
nail polish

Nail Polish Day
camera

Camera Day
hoodie

Hoodie Day
brow

Brow Day