Oops, it doesn't look like 'not me af day' is a national day..

Other days

tulip

Tulip Day
my little pony

My Little Pony Day
gallery

Gallery Day
bonang

Bonang Day
stud

Stud Day
nae nae

Nae Nae Day
martini

Martini Day
eat what you want

Eat What You Want Day
kale

Kale Day
bow tie

Bow Tie Day