106 AD

The Bostran Era. March 22, 106 AD.

The Bostran Era (also called Arabian Era) started corresponding to March 22, 106 AD. This was the official dating of the Roman Province Arabia Petraea, and it was introduced in order to make it coincide with the regnal years after the inclusion of the Nabatean Kingdom to the Roman Empire. It has the name of the city of Bostra, that soon was the home of the Sixth Legion. The start date of the Bostran Era was a controversial matter, in part because the Chronicon Paschale states that it started at the time of the consuls Candidus and Quadratus (105), while the discoveries of the Cave of Letters´ manuscripts made it clear that the Bostran Era started on 106. The Bostran year was lunisolar: it has 12 months with 30 days with five epagomenal days at the end of each year. The names of the months ...

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