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

Other days

stud

Stud Day
boba

Boba Day
hoodie

Hoodie Day
cuddle up

Cuddle Up Day
polyamory

Polyamory Day
self care

Self Care Day
bonang

Bonang Day
azonto is acceptable

Azonto Is Acceptable Day
camera

Camera Day
tell a fairytale

Tell A Fairytale Day