Oops, it doesn't look like 'joan on kiya day' is a national day..

Other days

hoodie

Hoodie Day
cat girl

Cat Girl Day
china

China Day
cursing

Cursing Day
hannah

Hannah Day
lost sock memorial

Lost Sock Memorial Day
stress awareness

Stress Awareness Day
nae nae

Nae Nae Day
brow

Brow Day
bonang

Bonang Day