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future day; later date
「来日」 has another reading with different meanings.
彼は来日してから十年が経ちました。
Ten years have passed since he came to Japan.
来日予定の外国人アーティストが多い。
Many foreign artists are scheduled to come to Japan.
留学のために日本に来日したそうです。
I heard he came to Japan to study abroad.