Oops, it doesn't look like 'honk for yang day' is a national day..

Other days

self care

Self Care Day
cuddle up

Cuddle Up Day
boba

Boba Day
slime

Slime Day
bow tie

Bow Tie Day
stud

Stud Day
hiv awareness

Hiv Awareness Day
china

China Day
reading

Reading Day
ormille

Ormille Day