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

Other days

hannah

Hannah Day
pumpkin

Pumpkin Day
bonang

Bonang Day
bounce

Bounce Day
bow tie

Bow Tie Day
lost sock memorial

Lost Sock Memorial Day
self care

Self Care Day
pampering

Pampering Day
gum

Gum Day
comfy

Comfy Day