But before that great day shall come, the sun shall be darkened, and the moon be turned into blood; and the stars shall refuse their shining,
and some shall fall, and great destructions await the wicked. Doctrine & Covenants 34:9
What man is called Anti-Christ in the Book of Mormon?
Korihor
This was in 74 BCE.
(So according to the Book of Mormon, the Anti-Christ came before Jesus.
There came a man into the land of Zarahemla, and he was Anti-Christ ...
And this Anti-Christ, whose name was Korihor ... began to preach unto the people that there should be no Christ. Alma 30:6