昼ひるも夜よるもMeanings1nounday and night; around the clockEmphasizes continuity or constancy, often used with verbs like 働く, 考える, or 続く.彼かれは昼ひるも夜よるも働はたらいている。He works day and night.そのことを昼ひるも夜よるも考かんがえている。I think about it day and night.