YOU SAID:
hello whats going on today
INTO JAPANESE
こんにちは今日何が起こっている
BACK INTO ENGLISH
Hello what's going on today
INTO JAPANESE
こんにちは今日何が起こっているのですか?
BACK INTO ENGLISH
Hi what is going on today?
INTO JAPANESE
こんにちは今日何が起こっているのですか?
BACK INTO ENGLISH
Hi what is going on today?
That didn't even make that much sense in English.