محمد البع

This research examines swearing by time semantically and syntactically, indicating its purposes, the temporal expressions related to night and day, and their denotations. The study also illustrates the characteristics of the clause of swearing by time in the Quranic verses. Moreover, it discusses the scientificobservationsofhowtheMakkiChapters(suras)andthelastsection(Juzu’)of the holy Quran are distinguished wity this kind of swearing and how this is related to the different universal phenomena in the balance between night and day in terms of their times and distributions of the earth.