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

Other days

kiss a brunette

Kiss A Brunette Day
brow

Brow Day
girl friend

Girl Friend Day
buddy

Buddy Day
slime

Slime Day
pumpkin

Pumpkin Day
boy friend

Boy Friend Day
tulip

Tulip Day
camera

Camera Day
book

Book Day