YOU SAID:
Hello I am the same person of the other day
INTO JAPANESE
こんにちは、私は先日の同じ人です
BACK INTO ENGLISH
Hi, I'm the same person the other day
INTO JAPANESE
こんにちは、私は先日同じ人です
BACK INTO ENGLISH
Hi, I'm the same person the other day
That didn't even make that much sense in English.