Oops, it doesn't look like 'bestfriend to myself cause at the end of the day' is a national day..

Other days

Hot Chocolate Day

Unicorn Day

Pick Me Day

Kiss A Ginger Day

Embarrass Your Best Friend Day

Prescription Drug Take Back Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Tulip Day

Polyamory Day

Nae Nae Day