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

Other days

boy friend

Boy Friend Day
healing

Healing Day
cursing

Cursing Day
get funky

Get Funky Day
eat what you want

Eat What You Want Day
comfy

Comfy Day
tulip

Tulip Day
stud

Stud Day
blanket fort

Blanket Fort Day
reading

Reading Day