YOU SAID:

Its going to be a great day

INTO JAPANESE

素晴らしい1日になります

BACK INTO ENGLISH

It's going to be a great day.

INTO JAPANESE

素晴らしい一日になります。

BACK INTO ENGLISH

It will be a great day.

INTO JAPANESE

素晴らしい一日になるでしょう。

BACK INTO ENGLISH

It will be a great day.