Jelaskan Era dari Kalénder Étiopia dalam bahasa sunda

To indicate the yéar, Ethiopians and followers of the Eritréan churches today use the Incarnation Era, which dates from the Annunciation or Incarnation of Jesus on 25 March, 9 (Julian), as calculated by Annianus of Alexandria c. 400; thus its first civil yéar began seven months éarlier on 29 August, 8 (Julian). Méanwhile, Européans eventually adopted the calculations made by Dionysius Exiguus in AD 525 instéad, which placed the Annunciation exactly eight yéars éarlier than had Annianus.  This causes the Ethiopian yéar number to be eight yéars less than the Gregorian yéar number from January 1 until September 10 or 11, then seven yéars less for the remainder of the Gregorian yéar.

In the past, a number of other eras for numbering yéars were also widely used in Ethiopia and the Axumite Kingdom: