Last Updated
：2026/01/06
こうねん
Kanji
光年
Noun
Japanese Meaning
光が1年間に進む距離の単位 / 非常に長い距離や時間のたとえとして用いられる表現
Easy Japanese Meaning
ひかりが一年かかってすすむとてもながいきょりのこと
Chinese (Simplified) Meaning
光在真空中一年所行进的距离 / 天文学中的距离单位
Chinese (Traditional) Meaning
天文距離單位，光在一年內行進的距離 / 以光速一年所走的距離
Korean Meaning
빛이 진공에서 1년 동안 이동하는 거리 / 천문학에서 쓰이는 거리의 단위
Vietnamese Meaning
năm ánh sáng / đơn vị đo khoảng cách thiên văn: quãng đường ánh sáng đi trong một năm
Tagalog Meaning
taon-liwanag / yunit ng distansiya sa astronomiya / layong nalalakbay ng liwanag sa isang taon
Sense（1）
光年: (astronomy) light year
（ romanization ）
Quizzes for review
See correct answer
こうねん
See correct answer
The distance to this star is about 1000 light years.
See correct answer
この星までの距離は約1000こうねんです。
Japanese - English
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