Purple Mountain Observatory

Purple Mountain Observatory
Purple Mountain Observatory
Alternative namesCradle of Modern Astronomy
OrganizationChinese Academy of Sciences
Observatory code 330 
LocationXuanwu District, Nanjing, Jiangsu
Coordinates32°03′54″N 118°49′47″E / 32.064946°N 118.829677°E / 32.064946; 118.829677
Altitude267 m (876 ft)
Established1934
Websitewww.pmo.ac.cn
Telescopes
  • Hainan Island station
  • Purple Mountain Observatory, Xuyi Station
  • Purple Mountain Observatory, Yao'an Station 
Location of Purple Mountain Observatory
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The Purple Mountain Observatory (Chinese: 紫金山天文台; pinyin: Zǐjīnshān Tiānwéntái), also known as Zijinshan Astronomical Observatory, is an astronomical observatory located on the Purple Mountain in the east of Nanjing. The observatory is responsible for calculating the official Chinese calendar of mainland China.