Jan Zuidhoek
Reconstructing Metonic 19‑year Lunar Cycles
(on the basis of NASA’s Six Millennium Catalog of Phases of the Moon)
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This book (ISBN 9789090324678), available via this website (see next paragraph), explains, by following the mainstream of the history of the computus paschalis developed from early in the third century for the purpose of determining (Alexandrian or Julian calendar) dates of Paschal Sunday which rised shortly after AD 250 in Alexandria (Egypt) to ultimately (AD 1582, turning point in the history of chronology) flow into the modern way of determining (Gregorian calendar) dates of Easter, how of old dates of Paschal Sunday depend on phases of the moon and, on the basis of NASA’s Six Millennium Catalog of Phases of the Moon, how both Metonic 19‑year lunar cycles constructed in Alexandria before the first council of Nicaea (AD 325, turning point in the history of Christianity) can be reconstructed.
This pioneering book on Alexandrian computus (= Paschal reckoning) is available at www.boekenbestellen.nl (delivery time for Europe is 3 to 7 days).
Five Metonic 19‑year Lunar Cycles
Dionysius Exiguus’ Paschal Table
Christian Era and Universal Time
© Jan Zuidhoek 2019‑2021