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

Other days

ruby

Ruby Day
aloxolt

Aloxolt Day
one

One Day
cat girl

Cat Girl Day
bow tie

Bow Tie Day
ponytail

Ponytail Day
ride the wind

Ride The Wind Day
comfy

Comfy Day
boba

Boba Day
carpenters

Carpenters Day