Oops, it doesn't look like 'avoid adult responsibilities and do what you want day' is a national day..

Other days

Chocolate Milkshake Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Tulip Day

Blanket Fort Day

Appreciate Yaself A Lil Extra Day

Kiss A Brunette Day

Martini Day

Pumpkin Day

Boyfriend Day

Offer Day