Oops, it doesn't look like 'heftby sydney ember via nyt business day' is a national day..

Other days

boy friend

Boy Friend Day
girl friend

Girl Friend Day
ask out your crush

Ask Out Your Crush Day
frozen yogurt

Frozen Yogurt Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
carpenters

Carpenters Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
bonang

Bonang Day
lumpy rug

Lumpy Rug Day
buddy

Buddy Day