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

Other days

eat what you want

Eat What You Want Day
latina equal pay

Latina Equal Pay Day
nae nae

Nae Nae Day
lisp

Lisp Day
boy friend

Boy Friend Day
gum

Gum Day
stud

Stud Day
believe

Believe Day
ride the wind

Ride The Wind Day
reading

Reading Day