28 Ọgọọst bu ubochi nke 28th (nke iri abụọ na asatọ) na onwa ana kpo Ọgọọst. Na Gregorian calender, 28 Ọgọọst bu ubochi nke 240th (241st na afo nke ana-kpo leap year) na afo. Anyi nwere agugu ubochi 125 du mgbe afo na agwu.