YOU SAID:
i had a horrible day yesterday
INTO JAPANESE
昨日はひどい一日を過ごした
BACK INTO ENGLISH
I had a bad day yesterday
INTO JAPANESE
昨日は悪い日だった
BACK INTO ENGLISH
yesterday was a bad day
INTO JAPANESE
昨日は悪い日でした
BACK INTO ENGLISH
yesterday was a bad day
You should move to Japan!