YOU SAID:
today is going to be a wonderfully amazing day
INTO JAPANESE
今日は素晴らしく素晴らしい日になるだろう
BACK INTO ENGLISH
Today will be a wonderful day
INTO JAPANESE
今日は素晴らしい日になる
BACK INTO ENGLISH
Today is a wonderful day
INTO JAPANESE
今日は素晴らしい日です
BACK INTO ENGLISH
Today is a wonderful day
That didn't even make that much sense in English.