YOU SAID:
hey how was you're day
INTO JAPANESE
おい、君はいかに一日だったの
BACK INTO ENGLISH
Hey, how was your day?
INTO JAPANESE
今日はどうだった?
BACK INTO ENGLISH
How was your day?
INTO JAPANESE
今日はどうだった?
BACK INTO ENGLISH
How was your day?
That didn't even make that much sense in English.