30 Disemba bu ubochi nke 30th (nke iri atọ na ) na onwa ana kpo Disemba. Na Gregorian calender, 30 Disemba bu ubochi nke 364th (365th na afo nke ana-kpo leap year) na afo. Anyi nwere agugu ubochi 1 du mgbe afo na agwu.