Ecclesiastical full moon century AD computists of some churches, among which were the Church of Rome and the one of Alexandria, had begun to calculate their own periodic sequences of dates of paschal full moon, to be able to determine their own dates of Easter Sunday. The motivation for these experiments was a dissatisfaction with the Jewish calendars that Christians had hitherto relied on to fix the date of Easter. These Jewish calendars, according to their Christian critics, sometimes placed Nisan 14, the paschal full moon and the day of preparation for the Jewish Passover, before the spring equinox (see Easter). The Christians
The Equinox serialized publications. After that, editions of the "Equinox" were published irregularly by various organizations and are best known for their book title. All issues after III:5 were edited and released after Crowley's death in 1947. Nos. 1-10 are a Period of Silence—no copies. Published long after Crowley's death, a series entitled "The Equinox, Volume V" was released by Marcelo Motta and his organization, Thelema Publishing Co. The Equinox The Equinox (subtitle: "The Review of Scientific Illuminism") is a series of publications in book form that serves as the official organ of the A∴A∴, a magical order founded by Aleister Crowley