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

Other days

boba

Boba Day
buddy

Buddy Day
unicorn

Unicorn Day
donate your hair

Donate Your Hair Day
believe

Believe Day
ruby

Ruby Day
one

One Day
boyfriend

Boyfriend Day
ormille

Ormille Day
comfy

Comfy Day