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

Other days

hoodie

Hoodie Day
nae nae

Nae Nae Day
healing

Healing Day
bounce

Bounce Day
singles

Singles Day
pumpkin

Pumpkin Day
believe

Believe Day
my little pony

My Little Pony Day
bow tie

Bow Tie Day
self care

Self Care Day