YOU SAID:
the cat came back the very next day
INTO JAPANESE
猫は翌日戻ってきました
BACK INTO ENGLISH
The cat is back the next day
INTO JAPANESE
猫は翌日帰ってきた
BACK INTO ENGLISH
The cat came back the next day
INTO JAPANESE
猫は翌日戻ってきました
BACK INTO ENGLISH
The cat is back the next day
INTO JAPANESE
猫は翌日帰ってきた
BACK INTO ENGLISH
The cat came back the next day
it is unlikely that this phrase will ever reach equilibrium