20 Ọktoba bu ubochi nke 20th (nke iri abụọ ) na onwa ana kpo Ọktoba. Na Gregorian calender, 20 Ọktoba bu ubochi nke 293rd (294th na afo nke ana-kpo leap year) na afo. Anyi nwere agugu ubochi 72 du mgbe afo na agwu.
