YOU SAID:
Christmas Day is the best day of the year!
INTO JAPANESE
クリスマスの日は一年で最高の日です!
BACK INTO ENGLISH
Christmas day is the best day of the year!
INTO JAPANESE
クリスマスは一年で最高の日です!
BACK INTO ENGLISH
Christmas is the best day of the year!
INTO JAPANESE
クリスマスは一年で最高の日です!
BACK INTO ENGLISH
Christmas is the best day of the year!
That didn't even make that much sense in English.