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

Other days

china

China Day

brow

Brow Day

Emoji Day

singles

Singles Day

carpenters

Carpenters Day

self care

Self Care Day

kiss a ginger

Kiss A Ginger Day

bubble bath

Bubble Bath Day

nae nae

Nae Nae Day

embarrass your best friend

Embarrass Your Best Friend Day