YOU SAID:

I have ate after eights on the eighth of the eighth eighty-eight

INTO JAPANESE

私は8時88分の8時以降に食事をしました

BACK INTO ENGLISH

I ate after 8 o'clock at 8:88

INTO JAPANESE

8時過ぎに8時88分に食べました

BACK INTO ENGLISH

I ate at 8:88, just after 8 o'clock.

INTO JAPANESE

8時過ぎの8時88分に食べました。

BACK INTO ENGLISH

I ate at 8:88, just after 8 o'clock.