Oops, it doesn't look like 'know where ya ass stand day' is a national day..

Other days

cursing

Cursing Day
singles

Singles Day
self care

Self Care Day
ponytail

Ponytail Day
bow tie

Bow Tie Day
bubble bath

Bubble Bath Day
self appreciation

Self Appreciation Day
lash

Lash Day
prescription drug take back

Prescription Drug Take Back Day
hot chocolate

Hot Chocolate Day