YOU SAID:
その日の内に息を引き取った
INTO JAPANESE
その日の内に息を引き取った
BACK INTO ENGLISH
took his last breath that day
INTO JAPANESE
その日、息を引き取った
BACK INTO ENGLISH
I took my last breath that day
INTO JAPANESE
あの日、息を引き取った
BACK INTO ENGLISH
I took my last breath that day
That didn't even make that much sense in English.