Oops, it doesn't look like 'rain anthem on a rainy day' is a national day..

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
camera

Camera Day
youth

Youth Day
kale

Kale Day
self appreciation

Self Appreciation Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
blanket fort

Blanket Fort Day
carpenters

Carpenters Day
ask out your crush

Ask Out Your Crush Day
unicorn

Unicorn Day