I'm indexing a document in "Canada—Chinese Immigration Act Records, 1923–1946 [Part B]" and it lists the arrival date as " Chinese june 22nd 33rd year Kong Sue". Is this supposed to be the 33rd year of the Guangxu era?
This may be useful for you.
https://www.familysearch.org/en/help/helpcenter/article/how-do-i-enter-dates-from-classical-chinese-texts-into-family-tree