Gumiguru 13 (kana Chishona chizere : musi wechigume-netatu muMwedzi waGumiguru ) musi we gore we mazanamairinemakumimasere netanhatu (kana musi wechi mazanamairinemakumimasere nenomwe pa gore remucharikwa ) mu Karenda ya Gregori ; pasara mazuva Makumimanomwe-nepfumbamwe kusvika pakupera kwegore.