9: 30 to 2 1: 00. The business hours of Rizhao RT Mart will not change during the Spring Festival, so the business hours of Rizhao RT Mart during the Spring Festival are 9:30-2 1:00. Rizhao RT Mart, the abbreviation of Rizhao RT Mart Commercial Co., Ltd., was registered in Rizhao Administration for Industry and Commerce on August 24th, 2009.