YOU SAID:
So how are you doing during This fine day?
INTO JAPANESE
この晴れた日はどうしてる?
BACK INTO ENGLISH
How are you doing on this sunny day?
INTO JAPANESE
この晴れた日はいかがですか。
BACK INTO ENGLISH
How about this sunny day?
INTO JAPANESE
この晴れた日はどうですか?
BACK INTO ENGLISH
How about this sunny day?
That didn't even make that much sense in English.