@justaguy
Well the organization have spoken a lot about the beginning of October. As a likely time of Jesus' birth and Adam's creation time and the fall of Babylon.
But the organization has also dealt with the timing of the flood. As the Bible says Genesis 7:11 "In the 600th year of Noah’s life, in the second month, on the 17th day of the month, on that day all the springs of the vast watery deep burst open and the floodgates of the heavens were opened."
The second month is November, because the first month by then was October. So the the flood begun the 17th of November. Give or take a few days because we don't know how exactly days in the ancient calendar corresponds with today's.
And here is a source giving the timeline of the events in Jerusalem and the Romans attack on the city in 66CE.
http://www.josephus.org/warChronology2.htm
November 17: Cestius advances on Jerusalem. He sets fire to to suburban districts, then moves to the wall of the upper city and pitches camp in the vicinity of the royal palace"
November 22: Cestius suddenly gives up and retreats from the city "without any reason in the world." [2.19.7 540]
Josephus: "It was, I suppose, owing to the aversion God had already toward the city and the sanctuary that He delayed from putting an end to the war that very day." [2.19.6 539]