Oops, it doesn't look like 'capital experienced a warm day' is a national day..

Other days

special education

Special Education Day
artists

Artists Day
mean girls

Mean Girls Day
lash

Lash Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
self appreciation

Self Appreciation Day
ponytail

Ponytail Day
stud

Stud Day
eat what you want

Eat What You Want Day
carpenters

Carpenters Day