21 Julaị bu ubochi nke 21st (nke iri abụọ na out) na onwa ana kpo Julaị. Na Gregorian calender, 21 Julaị bu ubochi nke 202nd (203rd na afo nke ana-kpo leap year) na afo. Anyi nwere agugu ubochi 163 du mgbe afo na agwu.