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

Other days

law

Law Day
ruby

Ruby Day
lost sock memorial

Lost Sock Memorial Day
bonang

Bonang Day
boy friend

Boy Friend Day
hoodie

Hoodie Day
buddy

Buddy Day
fiancee

Fiancee Day
self care

Self Care Day
kiss a brunette

Kiss A Brunette Day