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

Other days

hoodie

Hoodie Day
ruby

Ruby Day
blanket fort

Blanket Fort Day
unicorn

Unicorn Day
self care

Self Care Day
kale

Kale Day
kiss a ginger

Kiss A Ginger Day
singles

Singles Day
hannah

Hannah Day
bubble bath

Bubble Bath Day