YOU SAID:

I don't want to go home until at least midnight tomorrow

INTO JAPANESE

家に帰るまで、少なくともたく明日深夜

BACK INTO ENGLISH

Don't go home until at least tomorrow night.

INTO JAPANESE

家に帰るまで、少なくとも明日の夜。

BACK INTO ENGLISH

At least until you get home tomorrow night.

INTO JAPANESE

少なくとも明日の夜家に帰るまで。

BACK INTO ENGLISH

Up to at least go home tomorrow night.

INTO JAPANESE

少なくとも明日の夜家に帰るまでは。

BACK INTO ENGLISH

To at least go home tomorrow night.

INTO JAPANESE

明日の夜、少なくとも帰宅。

BACK INTO ENGLISH

At least go home tomorrow night.

INTO JAPANESE

少なくとも行くホーム明日の夜。

BACK INTO ENGLISH

At least go home tomorrow night.