. . . . . "The Paschal Chronicle (see Chronicon Paschale) of the year 645 (P. G., XCII) mentions the Presanctified Liturgy, and the fifty-second canon of the Second Trullan Council (692) orders: On all days of the fast of forty days, except Saturdays and Sundays and the day of the Holy Annunciation, the Liturgy of the Presanctified shall be celebrated." .