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

Other days

ruby

Ruby Day
bounce

Bounce Day
eat what you want

Eat What You Want Day
buddy

Buddy Day
lumpy rug

Lumpy Rug Day
fiancee

Fiancee Day
aloxolt

Aloxolt Day
comfy

Comfy Day
brow

Brow Day
hannah

Hannah Day