Octave of Easter disciples, with Thomas the Apostle present, on the Sunday following his resurrection. A traditional name in English is Low Sunday, perhaps given this name because of the contrast with the high festival of Easter on the preceding Sunday, or the word "Low" may be a corruption of Latin "Laudes", the first word of a sequence in use in the Sarum Rite. Another name is Quasimodo Sunday, from the first words of the introit in Latin. Easter Week was known as "ebdomada alba" (white week) or "in albis" (in white), because of the white robes that those who had been baptized
Reform of the date of Easter common years starting on Monday (G), where 8 April, i.e. the second Sunday in April, is the 14th Sunday of the year, or in leap years starting on Sunday (AG), where 15 April, i.e. the Sunday after the second Saturday in April, is the 16th Sunday of the year. In 1977, some Eastern Orthodox representatives objected to separating the date of Easter from lunar phases. Proposals to resolve the second problem have made greater progress, but they are yet to be adopted. An astronomical rule for Easter was proposed by the 1923 that also proposed the Revised Julian calendar: Easter