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

Other days

boy friend

Boy Friend Day
cat girl

Cat Girl Day
cuddle up

Cuddle Up Day
ponytail

Ponytail Day
kale

Kale Day
carpenters

Carpenters Day
bounce

Bounce Day
girl friend

Girl Friend Day
brow

Brow Day
healing

Healing Day