YOU SAID:

My birthday is in 9 days and I can’t wait!

INTO JAPANESE

私の誕生日は9日間で、待ちきれません！

BACK INTO ENGLISH

My birthday is 9 days and I can't wait!

INTO JAPANESE

私の誕生日は9日で、待ちきれません！

BACK INTO ENGLISH

My birthday is 9 and I can't wait!

INTO JAPANESE

私の誕生日は9歳で、待ちきれません！

BACK INTO ENGLISH

My birthday is 9 years old and I can't wait!

INTO JAPANESE

私の誕生日は9歳で、待ちきれません！

BACK INTO ENGLISH

My birthday is 9 years old and I can't wait!