Last Updated
：2026/01/06
こうねん
Kanji
光年
Counter
Japanese Meaning
光が1年間に進む距離を表す天文学上の距離の単位。助数詞的に「〜光年」と用いる。
Easy Japanese Meaning
ひかりがいちねんで進む長さを数えるときに使う数のこと
Chinese (Simplified) Meaning
光年（天文学距离单位） / 光在一年中行进的距离
Chinese (Traditional) Meaning
光年；光在一年內行進的距離（天文距離單位） / （量詞）以光年為單位計算距離
Korean Meaning
빛이 1년 동안 진공에서 이동하는 거리의 단위 / 천문에서 거리를 나타내는 길이의 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 distansya sa astronomiya / distansyang natatahak 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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