Individual itineraries and the circulation of scientific and technical knowledge in East Asia (16th–20th centuries)

Birth, probably in hometown Qingtian 青田.

Metropolitan Graduate jinshi 進士 during the Zhishun 至順 era of the Yuan dynasty.

Appointment as Ruxue fu tiju 儒學副提舉 in Zhejiang.

Appointment as Assistant Magistrate cheng 丞 in Gaoan, then cashiered.

Appointment as Commissioner of the Astrological Commission taishiyuan shi 太史院使

Gao Yi presents the Datong li calendar for the year wushen 戊申 (1368), under Liu Ji's supervision, on 11th month day yiwei, 乙未, Winter solstice.

Gao Yi presents the Datong li calendar for the year wushen 戊申 (1368), under Liu Ji's supervision, on 11th month day yiwei, 乙未, Wnter solstice.

Appointment to Vice Censor-in-Chief 御史中丞 and concurrently Director of the pre-dynastic Ming Directorate of Astrology 太史令

Teaching the Academicians of the Institute for the Advancement of Literature 弘文館學士

Enfeoffment as Earl of Chengyi 誠意伯, in the 3rd year of Hongwu.

Death in Qingtian (or Nanjing?), at the age of 65 sui.

Posthumous award of the title of Grant Preceptor 太師, with the title of Wencheng 文成, in the 9th year of Zhengde.