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

Other days

unicorn

Unicorn Day
donate your hair

Donate Your Hair Day
nae nae

Nae Nae Day
hiv awareness

Hiv Awareness Day
youth

Youth Day
comfy

Comfy Day
latina equal pay

Latina Equal Pay Day
ormille

Ormille Day
offer

Offer Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day