授業参観日 じゅぎょうさんかんび Meanings Noun parents' day; class observation day; open classroom day Kanji 授 impart. Read as ジュ. 業 business. Read as ギョウ. 参 take part. Read as サン. 観 view. Read as カン. 日 day. Read as ひ. Jinuma: Japanese Dictionary · Word lists