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

Other days

latina equal pay

Latina Equal Pay Day
self care

Self Care Day
tell a fairytale

Tell A Fairytale Day
stud

Stud Day
boyfriend

Boyfriend Day
pampering

Pampering Day
cursing

Cursing Day
hannah

Hannah Day
ponytail

Ponytail Day
singles

Singles Day