YOU SAID:
today is a fine sunny day
INTO JAPANESE
今日は天気のいい日です。
BACK INTO ENGLISH
It is a sunny day today.
INTO JAPANESE
今日晴れた日です。
BACK INTO ENGLISH
It is sunny today.
INTO JAPANESE
今日は晴れだ。
BACK INTO ENGLISH
It is sunny today.
Well done, yes, well done!