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

Other days

ruby

Ruby Day
brow

Brow Day
one

One Day
cuddle up

Cuddle Up Day
ride the wind

Ride The Wind Day
buddy

Buddy Day
hoodie

Hoodie Day
pumpkin

Pumpkin Day
slime

Slime Day
special education

Special Education Day