昼夜兼行 ちゅうやけんこう Meanings Noun around-the-clock; (working) day and night Kanji 昼 noon. Read as チュウ. 夜 night 兼 double as. Read as ケン. 行 go. Read as コウ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists