YOU SAID:
Happy birthday to everyone whose birthday is the day that is today
INTO JAPANESE
今日の日が誕生日の皆さん、お誕生日おめでとう
BACK INTO ENGLISH
Happy birthday to all of you on today's birthday
INTO JAPANESE
今日の誕生日お誕生日おめでとう
BACK INTO ENGLISH
Happy birthday today
INTO JAPANESE
今日はお誕生日おめでとう
BACK INTO ENGLISH
Happy birthday today
You've done this before, haven't you.