YOU SAID:
It's a lovely day to go see the sun
INTO JAPANESE
太陽を見に行くのは素敵な日です
BACK INTO ENGLISH
It's a nice day to go see the sun
INTO JAPANESE
太陽を見に行くのはいい日です
BACK INTO ENGLISH
It's a good day to go see the sun
INTO JAPANESE
太陽を見に行くのはいい日です
BACK INTO ENGLISH
It's a good day to go see the sun
That didn't even make that much sense in English.