21 Juun bu ubochi nke 21st (nke iri abụọ na out) na onwa ana kpo Juun. Na Gregorian calender, 21 Juun bu ubochi nke 172nd (173rd na afo nke ana-kpo leap year) na afo. Anyi nwere agugu ubochi 193 du mgbe afo na agwu.
