ILARIANO. – Bishop in proconsular Africa, who published in the year 397 two writings: De ratione Paschae et mensis and De cursu temporum. The first book contains theories on the calculation of Easter (cf. E. Schwartz, Christliche und jüdische Ostertafeln, Berlin 1905, p. 59 ff.). The work De cursu temporum is millenarian in character.
BIBL.: editions: PL 13, 1097 ff. The De cursu temporum was published in a new recension by C. Frick, Chronica minora, I, Leipzig 1892, pp. 153–74 (cf. pp. LXXVII–CCXVII). An addition from a Laterculus imperatorum Romanorum of the year 486 to chap. 16 is found in MGH, Auctores antiquissimi, XIII, Chronica minora, ed. Th. Mommsen, III, pp. 415–17. On the author: H. Gelzer, Sextus Iulius Africanus und die byzantinische Chronographie, II, 1, Leipzig 1885, pp. 121–29; P. Monceaux, Histoire littéraire de l'Afrique chrétienne, VI, Paris 1920, p. 249 ff. Erik Peterson