the day after tomorrow

I go to the hospital.

私は病院へ行きます

I go to the hospital by subway.

私は地下鉄で病院へ行きます

I go to the hospital by subway with my mother.

私は母と地下鉄で病院へ行きます

I go to the hospital by subway with my mother in the afternoon.

私は午後に母と地下鉄で病院へ行きます

I go to the hospital by subway with my mother the day after tomorrow in the afternoon.

私は明後日午後に母と地下鉄で病院へ行きます