YOU SAID:
My birthday was legit 2 days ago.
INTO JAPANESE
私の誕生日は2日前に合法でした。
BACK INTO ENGLISH
My birthday was legal two days ago.
INTO JAPANESE
2日前、私の誕生日は合法でした。
BACK INTO ENGLISH
Two days ago my birthday was legal.
INTO JAPANESE
二日前、私の誕生日は合法でした。
BACK INTO ENGLISH
Two days ago my birthday was legal.
That didn't even make that much sense in English.