The first manvantara or cosmic day of the current Mahamanvantara, which corresponded to the mental aspect of the fifth dimension. It is symbolized in Greek and Roman mythology as Arcadia. Read Revolution of Beelzebub by Samael Aun Weor.
"...the growth of one’s soul is only possible through the forgiveness of others."
Samael Aun Weor, Treatise of Revolutionary Psychology