YOU SAID:
hey. have a fantastic day
INTO JAPANESE
ねえ。素晴らしい一日を過ごす
BACK INTO ENGLISH
Happy birthday. Have a wonderful day
INTO JAPANESE
誕生日おめでとう。素晴らしい一日を過ごす
BACK INTO ENGLISH
Happy birthday. Have a wonderful day
That didn't even make that much sense in English.