佛祖統紀 23.71

23.71

龍紀元年（己酉）
十二祖琇法師於國清為竦法師說止
觀法門。
大順元年（庚戌盡二年）
景福元年（壬子盡三年）
乾寧元年（甲寅盡四年）
光化元年（戊午盡三年）
天復元年（辛酉盡四年）

First year of Longji (jiyou).
The Twelfth Patriarch, Dharma Master Xiu, expounded the Dharma-gate of cessation and contemplation for Dharma Master Song at Guoqing.
First year of Dashun (gengxu, lasting two years).
First year of Jingfu (renzi, lasting three years).
First year of Qianning (jiayin, lasting four years).
First year of Guanghua (wuwu, lasting three years).
First year of Tianfu (xinyou, lasting four years).