YOU SAID:
Today is going to be a great day!
INTO JAPANESE
今日は素晴らしい一日になるでしょう!
BACK INTO ENGLISH
It's going to be a great day today!
INTO JAPANESE
今日は素晴らしい一日になるでしょう!
BACK INTO ENGLISH
It's going to be a great day today!
That didn't even make that much sense in English.