YOU SAID:
my mothers birthday party is in thirteen days
INTO JAPANESE
私の母の誕生日パーティーは13日後です
BACK INTO ENGLISH
My mother's birthday party is in 13 days.
INTO JAPANESE
母の誕生日パーティーは13日後です。
BACK INTO ENGLISH
My mother's birthday party is in 13 days.
That's deep, man.