Greetings in that Divine and Most Precious Name of Our Lord and Savior Jesus Christ!
It should be noted that it is not a coincidence that the Ethiopian Epiphany celebration is celebrated on the same old-calendar day as the EO/Latin Epiphany, even if we celebrate completely different events in Church history. Further, while the Ethiopian holiday has nothing to do with the Magi, we do share the same theme of Revelation as the EO/Latins, in that I believe they celebrate the Epiphany of Jesus Christ's divinity as revealed to the Magi when they visited the Christ Child and Our Lady. We celebrate the Epiphany which John the Baptist received when he was baptizing his cousin Jesus. It has been explained to me that John the Baptist did not know who the Messiah was to be, and that as he said in the Gospels, "And I was not aware of Him, but that He may be manifested to Israel, therefore came I, baptizing in water." In other words, John the Baptist was commissioned by the Holy Spirit to institute Baptism. It was further explained to me that John the Baptist was only baptizing so many crowds of people searching for the Messiah, and that the Epiphany would come to him while baptizing, hence why John said, "that He may be manifested.. therefore came I baptizing in water." However, Jesus Christ was John the Baptist's cousin, and so surely they had known each other, more than likely even growing up together as friends. Therefore, the true depth of the Epiphany is the surprise to John that who he perhaps least expected, his own cousin and friend, was the Messiah, which further explains John's hesitancy. Perhaps John expected that once he saw the Epiphany, that Jesus Christ would be the one baptizing him, not reversed! So John was revealed that Jesus Christ was God Almighty Incarnate, and then the Divine Voice spoke to the crowds saying, "This is my beloved Son in Whom I delight."
While we celebrate different events, we celebrate the same theme, that of Divine Revelation. Further, it is not coincidence, we are celebrating on the same days, because the are he same holidays, albeit emphasizing different aspects of the same theme of Epiphany.
It is important we keep focus that the very idea of celebrating the Epiphanies we each ourselves have received in our lives, reminding us that God is with us.