calendar dayglossary / calendar day A consecutive 24-hour day running from midnight to midnight. — Also termed natural day. [Cases: Time 8. C.J.S. Time §§ 8–10.] 词条贡献者 双语律师Terence,国际知名法学院法律专业,擅长翻译各类与油气、资源与采矿业相关的法律文件。