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

Other days

healing

Healing Day
slime

Slime Day
ride the wind

Ride The Wind Day
bubble bath

Bubble Bath Day
get funky

Get Funky Day
china

China Day
hot chocolate

Hot Chocolate Day
blanket fort

Blanket Fort Day
boba

Boba Day
nae nae

Nae Nae Day