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

Other days

ask out your crush

Ask Out Your Crush Day
aloxolt

Aloxolt Day
law

Law Day
hannah

Hannah Day
kiss a brunette

Kiss A Brunette Day
buddy

Buddy Day
artists

Artists Day
healing

Healing Day
first love

First Love Day
boy friend

Boy Friend Day