三日後に

in three days; three days later

→ 3日
phrase Rare #34,792
in three days; three days later Indicates a time three days from a reference point. It can mean “in three days” when referring to the future or “three days later” when referring to the past.
JA: 彼女は三日後に出発します。
EN: She will leave in three days.

彼女は三日後にを離れた

She left home three days later.

彼は三日後に戻ってきた

He came back three days later.

返事は三日後に来た

The reply came three days later.

それから三日後に彼は死んだ

Three days later, he died.

彼は三日後に帰ってきた

He came back three days later.