30 Juun bu ubochi nke 30th (iri ato) na onwa ana kpo Juun. Na Gregorian calender, 30 Juun bukwa ubochi nke 181st na afo (non-leap year) nile, bu ubochi nke 182nd mgbe afo ahu bu leap year. Anyi nwere agugu ubochi 184 du mgbe afo na agwu.