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

Other days

boy friend

Boy Friend Day
first love

First Love Day
stress awareness

Stress Awareness Day
emoji

Emoji Day
mean girls

Mean Girls Day
self care

Self Care Day
me

Me Day
prescription drug take back

Prescription Drug Take Back Day
tell a fairytale

Tell A Fairytale Day
self appreciation

Self Appreciation Day