YOU SAID:
きのう 9じはん に うち へ かえりました
INTO JAPANESE
きのう 9じはん に うち へ かえりました
BACK INTO ENGLISH
I got home at 9 o'clock yesterday.
INTO JAPANESE
昨日は9時に家に帰りました。
BACK INTO ENGLISH
I got home at 9 o'clock yesterday.
That didn't even make that much sense in English.