Oops, it doesn't look like 'average income per day' is a national day..

Other days

My Little Pony Day

China Day

Boyfriend Day

Kiss A Brunette Day

Stud Day

Nae Nae Day

Donate Your Hair Day

Appreciate Yaself A Lil Extra Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Polyamory Day