Àtụ:Calendar/Sun1stMonthStartSat Önwa mbu 13 bu ubochi nke 13th (iri na ato) na onwa ana kpo Jenụwarị ma na afo nile. Na Gregorian calender, anyi nwere agugu ubochi 352 (353 na afo nke ana-kpo leap-year) du mgbe afo na agwu.