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

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
kale

Kale Day
self care

Self Care Day
offer

Offer Day
hoodie

Hoodie Day
kiss a brunette

Kiss A Brunette Day
self appreciation

Self Appreciation Day
lost sock memorial

Lost Sock Memorial Day
latina equal pay

Latina Equal Pay Day
boy friend

Boy Friend Day