This article is from the Calendars FAQ, by Claus Tondering claus@tondering.dk with numerous contributions by others.
Years are counted since the creation of the world, which is assumed to
have taken place in 3761 BC. In that year, AM 1 started (AM = Anno
Mundi = year of the world).
In the year AD 2003 we witness the start of Hebrew year AM 5764.
 
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