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

Other days

self appreciation

Self Appreciation Day
frozen yogurt

Frozen Yogurt Day
gum

Gum Day
first love

First Love Day
bonang

Bonang Day
lisp

Lisp Day
martini

Martini Day
promposal

Promposal Day
self care

Self Care Day
pumpkin

Pumpkin Day