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

Other days

cursing

Cursing Day
believe

Believe Day
slime

Slime Day
pick me

Pick Me Day
ride the wind

Ride The Wind Day
pampering

Pampering Day
cuddle up

Cuddle Up Day
special education

Special Education Day
ponytail

Ponytail Day
singles

Singles Day