12 Disemba bu ubochi nke 12th (nke iri na abụọ) na onwa ana kpo Disemba. Na Gregorian calender, 12 Disemba bu ubochi nke 346th (347th na afo nke ana-kpo leap year) na afo. Anyi nwere agugu ubochi 19 du mgbe afo na agwu.