佛祖統紀 23.39

23.39

First year of Guangzhai (jiashan).
First year of Chuigong (yiyou, lasting four years).
First year of Yongchang (jichou).
First year of Zaichu (gengyin, two years).
First year of Ruyi (renchen, lasting two years).
In the second year of Ruyi, the Seventh Patriarch, Chan Master Tiangong, expounded cessation and contemplation for Chan Master Zuoxi Lang at Tiangong in Dongyang.
First year of Yanzai (jiawu).
First year of Zhengsheng (yiwei).
First year of Wansuitongtian (bingshen).
First year of Shengong (dingyou).
First year of Shengli (wuxu, lasting two years).
First year of Jiushi (gengzi).
First year of Chang'an (xinchou, lasting four years).