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The Easter Computus and the Origins of the Christian Era - Oxford Scholarship Online
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The Easter Computus and the Origins of the Christian Era

Alden A. Mosshammer


Dionysius Exiguus composed a 95‐year list of Easter dates beginning in what he designates as the year 532 from Christ. His list was a continuation of an Alexandrian table that ended in the year 247 from Diocletian. How Dionysius knew that 247 Diocletian should be followed by the year 532 of the Lord has puzzled scholars for almost 1500 years. His year AD 1 seems inconsistent with the evidence of the New Testament for the chronology of Christ. This book argues that Dionysius did not calculate a new date at all. He adopted the Christian era of Julius Africanus, which was based on a date for the ... More

Keywords: Christian era, era of Diocletian, Dionysius Exiguus, Easter calculations, Easter eomputus, Julius Africanus, Armenian era

Bibliographic Information

Print publication date: 2008 Print ISBN-13: 9780199543120
Published to Oxford Scholarship Online: January 2009 DOI:10.1093/acprof:oso/9780199543120.001.0001


Affiliations are at time of print publication.

Alden A. Mosshammer, author
Professor of History (Emeritus) University of California, San Diego