YOU SAID:
My day was wonderful.
INTO JAPANESE
私の一日は素敵でした。
BACK INTO ENGLISH
My day was nice.
INTO JAPANESE
私の一日はよかったです。
BACK INTO ENGLISH
My day was good.
INTO JAPANESE
私の一日は良かった。
BACK INTO ENGLISH
My day was good.
You've done this before, haven't you.