YOU SAID:

My birthday is in two weeks from the day after tomorrow

INTO JAPANESE

私の誕生日は、明後日から 2 週間

BACK INTO ENGLISH

My birthday is the day after tomorrow or from 2 weeks

INTO JAPANESE

私の誕生日は明日以降 2 週間から日です。

BACK INTO ENGLISH

My birthday tomorrow after two weeks, is from.

INTO JAPANESE

明日私の誕生日の 2 週間後からです。

BACK INTO ENGLISH

Tomorrow is my birthday in two weeks.

INTO JAPANESE

明日は、2 週間後に私の誕生日です。

BACK INTO ENGLISH

Tomorrow is my birthday in two weeks.