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

Other days

comfy

Comfy Day
martini

Martini Day
ride the wind

Ride The Wind Day
cat girl

Cat Girl Day
bow tie

Bow Tie Day
latina equal pay

Latina Equal Pay Day
stud

Stud Day
prosecco

Prosecco Day
tulip

Tulip Day
pumpkin

Pumpkin Day