Chro-nŏl'o-gy, n.

noun

n. [Gr. χρονολογία, from χρόνος, time, and λόγος, discourse.] The science which treats of measuring or computing time by regular divisions or periods, and which assigns to events or transactions their proper dates.

If history without chronology is dark and confused, chronology without history is dry and insipid. A. Holmes.