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

Other days

hiv awareness

Hiv Awareness Day
kiss a ginger

Kiss A Ginger Day
blanket fort

Blanket Fort Day
cursing

Cursing Day
china

China Day
bounce

Bounce Day
believe

Believe Day
lisp

Lisp Day
unicorn

Unicorn Day
self care

Self Care Day