Bible S, That underlined portion of your post is what I want to address.
It has relevance to the Birth of Jesus Christ, but not to the day.
"Magi" isn't found in the KJV---the Greek word magos is translated wise men. Now many---right no specific number is given. However, "they" reflects more than one. The narrative gives a lot of information. and the place they came from was the "East". This Greek word had usage in these places as the concordance attests:
""a magus
- the name given by the Babylonians (Chaldeans), Medes, Persians, and others, to the wise men, teachers, priests, physicians, astrologers, seers, interpreters of dreams, augers, soothsayers, sorcerers etc.
2. the oriental wise men (astrologers) who, having discovered by the rising of a remarkable star that the Messiah had just been born, came to Jerusalem to worship him"".
Prophetically, Daniel 9:25, reads, "Know therefore and understand,
that from the going forth of the commandment to restore and to build Jerusalem
unto the Messiah the Prince shall be seven weeks, and threescore and two weeks: the street shall be built again, and the wall, even in troublous times."
Nebuchadnazzer had sent out letters to the whole of the Babylonian Empire that the GOD of Daniel (and later the three worthies) was the true GOD. Therefore, these "wisemen"/astrologers were aware of the event and followed the star.
"Does seek and you shall find" ring a bell? Was Herod's response to the prophesied rejection of the Messiah just the beginning of the national rejection?
However, one evidence to three persons is Matt.2:11. "And when they were come into the house, they saw the young child with Mary his mother, and fell down, and worshipped him: and
when they had opened their treasures, they presented unto him gifts; gold, and frankincense, and myrrh".
That is three.