Song, Liao, and Jin · Astronomer and Official

Zhou Cong 周琮

Attested AD 1029 - AD 1049

Passages
6
Chapters
2
Histories
1

Overview

Zhou Cong was an Astronomer and Official.

IdentityHistorical · Male

Life and dates

Attested activity

Key source chapters

  1. History of Song, Chapter 76 Volume 76 Treatises 29: Measures and Calendar 9 4 passages
  2. History of Song, Chapter 73 Volume 73 Treatises 26: Measures and Calendar 6 2 passages

Career and standing

Places and affiliations

Learning and skills

Works and attributed material

Events and relationships

Assessments and attributes

References in the histories

History of Song, Chapter 73Volume 73 Treatises 26: Measures and Calendar 6 · 2 passages
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History of Song, Chapter 76Volume 76 Treatises 29: Measures and Calendar 9 · 4 passages
Open chapter
皇祐初，又命日官舒易簡、于淵、周琮等參用淳風、令瓚之制，改鑄黃道渾儀，又為漏刻、圭表，詔翰林學士錢明逸詳其法，內侍麥允言總其工。 Early in the Huangyou era, the court again ordered the solar officials Shu Yijian, Yu Yuan, and Zhou Cong to draw on the designs of Li Chunfeng and Liang Lingzan, recast an ecliptic armillary sphere, and also build clepsydra graduations and a gnomon table; Hanlin Academician Qian Mingyi was directed to work out the methods, and Inner Attendant Mai Yunyan to supervise construction.
皇祐初，詔周琮、于淵、舒易簡改制之，乃考古法，立八尺銅表，厚二寸，博四寸，下連石圭一丈三尺，以盡冬至景長之數，面有雙水溝為平准，於溝雙刻尺寸分數，又刻二十四氣岳台晷景所得尺寸，置於司天監。 Early in Huangyou, Zhou Cong, Yu Yuan, and Shu Yijian were ordered to rebuild it; studying ancient methods, they erected an eight-chi bronze gnomon two cun thick and four cun wide, joined to a stone platform one zhang three chi long to capture the full winter-solstice shadow, with twin water channels on the face for leveling and graduated inches, cun, and fen on both sides, plus the twenty-four solar terms' shadow lengths measured at Yue Terrace; the instrument was installed at the Directorate of Astronomy.