日ごとに変化する

change day by day

→ 日
phrase Rare #37,090
change day by day 日ごとに means “day by day” or “each day,” and 変化する means “to change.” Used for conditions or situations that change over time.
JA: 天気は日ごとに変化する。
EN: The weather changes day by day.

あの国の経済状態日ごとに変化する

That country's economic situation changes from day to day.

患者の病状は日ごとに変化する

The patient's condition changes from day to day.

患者の状況は日ごとに変化する

The patient's condition changes from day to day.

患者の症状日ごとに変化する

The patient's symptoms change from day to day.