4 Ọktoba bu ubochi nke 4th (nke anọ) na onwa ana kpo Ọktoba. Na Gregorian calender, 4 Ọktoba bu ubochi nke 277th (278th na afo nke ana-kpo leap year) na afo. Anyi nwere agugu ubochi 88 du mgbe afo na agwu.