Chen Collection, Upper Volume Radical: Sun (rì) 昨 Kangxi strokes: 9 Page 493, Entry 14 Tang Rhymes (Tangyun): Pronounced zuo (entering tone) Collected Rhymes (Jiyun), Rhyme Meetings (Yunhui), Correct Rhymes (Zhengyun): Pronounced zuo (entering tone) Explanation of Scripts (Shuowen): Successive days. Extensive Rhymes (Guangyun): Yesterday, separated by one night. Master Zhuang (Zhuangzi), External Things Chapter: Yesterday, as I came, someone called out from the middle of the road. Also a surname. Extensive Rhymes (Guangyun): There is a compound surname, the Zuohe family. Also the same as the character for vinegar or to toast (zuo). Rites of Zhou (Zhouli), Office of Spring, Superintendent of Mats and Seats: In the sacrifice to former kings, the mats are also treated likewise. Annotation: Zuo is read as zuo.