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

Other days

lumpy rug

Lumpy Rug Day
my little pony

My Little Pony Day
slime

Slime Day
gum

Gum Day
blanket fort

Blanket Fort Day
pumpkin

Pumpkin Day
polyamory

Polyamory Day
bounce

Bounce Day
mean girls

Mean Girls Day
brow

Brow Day