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

Other days

hoodie

Hoodie Day
bonang

Bonang Day
girl friend

Girl Friend Day
stress awareness

Stress Awareness Day
ormille

Ormille Day
nail polish

Nail Polish Day
self care

Self Care Day
slime

Slime Day
mean girls

Mean Girls Day
prosecco

Prosecco Day