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

Other days

carpenters

Carpenters Day
bow tie

Bow Tie Day
cat girl

Cat Girl Day
hoodie

Hoodie Day
youth

Youth Day
ride the wind

Ride The Wind Day
blanket fort

Blanket Fort Day
book

Book Day
bubble bath

Bubble Bath Day
kale

Kale Day