Noon 1 1: 30, afternoon 17: 40. Inquired by the Education Bureau of Dantu District, the school hours in the city are 1 1: 30 at noon, 17: 40 in the afternoon and 10 to 15 minutes earlier for primary schools. Dantu District belongs to Zhenjiang City, Jiangsu Province. Located in the southwest of Jiangsu Province, on the south bank of the lower reaches of the Yangtze River, it is adjacent to Dagang New District of Zhenjiang City in the east, jurong city City in the west, Danyang City and Jintan District in the south, and three islands of the Yangtze River in the north, facing Yizheng City and Hanjiang District of Yangzhou City across the river respectively.