The overspreading of abominations, we believe, talks about the rejection of St. Stephen in 3999AH, after which the Gospel is ‘poured’ on the desolate, rest of the world: Daniel 9:27 “And he shall confirm the covenant with many for one week: and in the midst of the week he shall cause the sacrifice and the oblation to cease, and for the overspreading of abominations he shall make it desolate, even until the consummation, and that determined shall be poured upon the desolate.”
3995.5 + 3.5 = 3999 AH.
This now marks the end of an era. The next era starts in 4000AH where we see St. Paul bringing the Gospel to the rest of the world.