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

Other days

ruby

Ruby Day
first love

First Love Day
buddy

Buddy Day
donate your hair

Donate Your Hair Day
my little pony

My Little Pony Day
one

One Day
boy friend

Boy Friend Day
ponytail

Ponytail Day
pumpkin

Pumpkin Day
brow

Brow Day