YOU SAID:
i will go home in 13 minutes
INTO JAPANESE
私は13分後に家に帰ります
BACK INTO ENGLISH
I will go home after 13 minutes
INTO JAPANESE
13分後に家に帰る
BACK INTO ENGLISH
I will go home in 13 minutes
INTO JAPANESE
私は13分後に家に帰ります
BACK INTO ENGLISH
I will go home after 13 minutes
INTO JAPANESE
13分後に家に帰る
BACK INTO ENGLISH
I will go home in 13 minutes
it is unlikely that this phrase will ever reach equilibrium