YOU SAID:
It'd not my birthday today
INTO JAPANESE
今日は私の誕生日じゃない
BACK INTO ENGLISH
Today is not my birthday
INTO JAPANESE
今日は私の誕生日です。
BACK INTO ENGLISH
Today is my birthday.
INTO JAPANESE
今日は私の誕生日です。
BACK INTO ENGLISH
Today is my birthday.
That didn't even make that much sense in English.