YOU SAID:
Hello what are you doig today
INTO JAPANESE
こんにちは、今日は何をしていますか
BACK INTO ENGLISH
Hello, What are you doing today
INTO JAPANESE
こんにちは今日何してるの?
BACK INTO ENGLISH
Hello what are doing today?
INTO JAPANESE
こんにちは今日何してるの?
BACK INTO ENGLISH
Hello what are doing today?
That didn't even make that much sense in English.