“Open day” in Japanese
Short answer
Open day in Japanese is “オープンキャンパス” (oopunkyanpasu). Full meaning: open day, open house.
Other ways to say “Open day” in Japanese
参観日
sankanbi parents' observation day (at school), parents' visiting day, open day
公開日
koukaihi release date, publication date, opening day, open day
オープンスクール
oopunsukuuru school with a flexible, child-centred curriculum; open house (at a school), open day
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