YOU SAID:
Congratulation on this birthday day of yours!
INTO JAPANESE
あなたのこの誕生日おめでとうございます!
BACK INTO ENGLISH
Congratulations on your birthday!
INTO JAPANESE
お誕生日おめでとうございます!
BACK INTO ENGLISH
Happy Birthday
INTO JAPANESE
お誕生日おめでとうございます
BACK INTO ENGLISH
Happy Birthday
You've done this before, haven't you.