YOU SAID:

七時 まで 帰ります。

INTO JAPANESE

七時 まで 帰ります。

BACK INTO ENGLISH

I'll be back by seven o'clock.

INTO JAPANESE

7時までに戻ります。

BACK INTO ENGLISH

I'll be back by 7 o'clock.

INTO JAPANESE

7時までに戻ります。

BACK INTO ENGLISH

I'll be back by 7 o'clock.