YOU SAID:
Happy birthday to everyone who's birthday it is
INTO JAPANESE
おめでとう! お誕生日をおめでとう!
BACK INTO ENGLISH
Congrats!
INTO JAPANESE
おめでとうございます!
BACK INTO ENGLISH
Congratulations!
INTO JAPANESE
おめでとう!
BACK INTO ENGLISH
Congrats!
INTO JAPANESE
おめでとうございます!
BACK INTO ENGLISH
Congratulations!
INTO JAPANESE
おめでとう!
it is unlikely that this phrase will ever reach equilibrium