Last Updated
：2026/01/02
うるうびょう
Kanji
閏秒
Noun
Japanese Meaning
うるう年や地球の自転速度の変化による時刻のずれを補正するために、協定世界時（UTC）に不定期に挿入される1秒のこと。
Easy Japanese Meaning
地球の時間のずれをなおすために、ときどき一秒だけふやすこと
Chinese (Simplified) Meaning
闰秒 / 为校准UTC与地球自转时间差而在特定时刻加上的一秒
Chinese (Traditional) Meaning
閏秒 / 用於校正協調世界時與地球自轉差異的一秒
Korean Meaning
윤초 / 협정세계시 보정을 위해 추가하거나 빼는 1초 / 지구 자전과 원자시계의 차이를 맞추는 1초
Vietnamese Meaning
giây nhuận / giây thêm/bớt vào UTC để hiệu chỉnh sai lệch do Trái Đất tự quay
Sense（1）
leap second
（ romanization ）
（ romanization ）
（ hiragana historical ）
Quizzes for review
See correct answer
When a leap second is added, the world's clock shifts by one second.
When a leap second is added, the world's clock shifts by one second.
See correct answer
うるうびょうが追加されると、世界の時計が1秒ずれます。
Japanese - English
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