The geographic coordinates of the city center are 120 12' east longitude and 30 16' north latitude. The city origin (zero kilometer sign) is located at the coordinate origin of Weizi Garden in Shangcheng District. The coordinate origin of Weizi Garden is the center of Hangzhou from 19 13. Buildings, roads, water systems and places of interest in a city can all indicate their orientation and distance from the origin.
Extended data environment:
Hangzhou is located in the subtropical monsoon region, with four distinct seasons and abundant rainfall. Annual average temperature 17.8℃, average relative humidity 70.3%, annual precipitation 1454 mm, annual sunshine hours 1765 hours. Summer is hot and humid, and it is one of the four new stoves. On the contrary, winter is cold and dry. The climate in spring and autumn is pleasant, which is the golden season for sightseeing.
hydrology
Hangzhou has a natural environment where rivers, lakes and mountains blend together. Hills and mountains account for 65.6% of the total area, plains account for 26.4%, and rivers, lakes and reservoirs account for 8%. The longest artificial canal in the world, the Beijing-Hangzhou Grand Canal and the Qiantang River, which is famous for its tidal bore, pass through.
Baidu Encyclopedia-Hangzhou