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

Other days

ponytail

Ponytail Day
kale

Kale Day
comfy

Comfy Day
coffee

Coffee Day
ruby

Ruby Day
blanket fort

Blanket Fort Day
hot chocolate

Hot Chocolate Day
boy friend

Boy Friend Day
youth

Youth Day
chocolate milkshake

Chocolate Milkshake Day