Annianus of Alexandria
Encyclopedia
Annianus of Alexandria or Annianos was a monk who flourished in Alexandria
Alexandria
Alexandria is the second-largest city of Egypt, with a population of 4.1 million, extending about along the coast of the Mediterranean Sea in the north central part of the country; it is also the largest city lying directly on the Mediterranean coast. It is Egypt's largest seaport, serving...

 during the bishop
Bishop
A bishop is an ordained or consecrated member of the Christian clergy who is generally entrusted with a position of authority and oversight. Within the Catholic Church, Eastern Orthodox, Oriental Orthodox Churches, in the Assyrian Church of the East, in the Independent Catholic Churches, and in the...

ric of Theophilus of Alexandria
Theophilus of Alexandria
Theophilus of Alexandria was Patriarch of Alexandria, Egypt, from 385 to 412. He is regarded as a saint by the Coptic Orthodox Church....

 around the beginning of the fifth century. He criticized the world history of his contemporary monk Panodorus of Alexandria
Panodorus of Alexandria
Panodorus of Alexandria was an Egyptian Byzantine monk, historian and writer who lived around 400 C.E.He introduced a world era calculation, who reckoned 5,904 years from Adam to the year 412 C.E., about which time he lived...

 for relying too much on secular sources rather than biblical sources for his dates.

As a result, Annianus developed his own chronology
Chronology
Chronology is the science of arranging events in their order of occurrence in time, such as the use of a timeline or sequence of events. It is also "the determination of the actual temporal sequence of past events".Chronology is part of periodization...

 which placed Creation
Dating Creation
Cultures throughout history have attempted to date the beginning of the the world in the past, so methods of dating Creation have involved analysing scriptures or ancient texts.-Ancient creation dates:...

 on 25 March 5492 BC. This created the Alexandrian Era whose first day was the first day of the proleptic Alexandrian civil year in progress, 29 August 5493 BC. This year was eleven Paschal cycles of 532 years each before the Alexandrian year beginning 29 August 360, which itself was four 19-year cycles
Metonic cycle
In astronomy and calendar studies, the Metonic cycle or Enneadecaeteris is a period of very close to 19 years which is remarkable for being very nearly a common multiple of the solar year and the synodic month...

 after the epoch
Epoch (reference date)
In the fields of chronology and periodization, an epoch is an instance in time chosen as the origin of a particular era. The "epoch" then serves as a reference point from which time is measured...

 of the Diocletian Era on 29 August 284. The former is known as the Era of Grace in the Coptic Church, whereas the latter is known as the Era of Martyrs
Era of Martyrs
The Era of the Martyrs , also known as the Diocletian era , is a method of numbering years used by the Church of Alexandria beginning in the 4th century anno Domini and by the Coptic Orthodox Church of Alexandria from the 5th century to the present. Western Christians were aware of it but did not...

. He was the first computist
Computus
Computus is the calculation of the date of Easter in the Christian calendar. The name has been used for this procedure since the early Middle Ages, as it was one of the most important computations of the age....

 to recognize the 532-year cycle of Easter
Easter
Easter is the central feast in the Christian liturgical year. According to the Canonical gospels, Jesus rose from the dead on the third day after his crucifixion. His resurrection is celebrated on Easter Day or Easter Sunday...

s in the Julian calendar
Julian calendar
The Julian calendar began in 45 BC as a reform of the Roman calendar by Julius Caesar. It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year .The Julian calendar has a regular year of 365 days divided into 12 months...

. This cycle is often attributed to Victorius
Victorius of Aquitaine
Victorius of Aquitaine, a countryman of Prosper of Aquitaine and also working in Rome, produced in 457 an Easter Cycle, which was based on the consular list provided by Prosper's Chronicle. This dependency caused scholars to think that Prosper had been working on his own Easter Annals for quite...

 of Aquitaine
Aquitaine
Aquitaine , archaic Guyenne/Guienne , is one of the 27 regions of France, in the south-western part of metropolitan France, along the Atlantic Ocean and the Pyrenees mountain range on the border with Spain. It comprises the 5 departments of Dordogne, :Lot et Garonne, :Pyrénées-Atlantiques, Landes...

 in 457, the first to recognize such a cycle in the West.

None of Annianus' writings has survived; he is known only from the discussion of his works by George Syncellus
George Syncellus
George Syncellus was a Byzantine chronicler and ecclesiastic. He had lived many years in Palestine as a monk, before coming to Constantinople, where he was appointed syncellus to Tarasius, patriarch of Constantinople...

during the ninth century.
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