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

Other days

kale

Kale Day
one

One Day
tulip

Tulip Day
tell a fairytale

Tell A Fairytale Day
nae nae

Nae Nae Day
ormille

Ormille Day
girl friend

Girl Friend Day
law

Law Day
my little pony

My Little Pony Day
pick me

Pick Me Day