YOU SAID:
My birthday is today, my party is tomorrow
INTO JAPANESE
私の誕生日は今日、私のパーティーは明日です
BACK INTO ENGLISH
my birthday is today and my party is tomorrow
INTO JAPANESE
私の誕生日は今日で、パーティーは明日です
BACK INTO ENGLISH
my birthday is today and the party is tomorrow
INTO JAPANESE
私の誕生日は今日でパーティーは明日です
BACK INTO ENGLISH
my birthday is today and the party is tomorrow
That didn't even make that much sense in English.